Transverse-field muon spin rotation (TF-μSR) spectra have been recorded for free radicals formed by positive muon irradiation of nine different divalent germanium compounds. Muon-electron hyperfine coupling constants (Aμ) were determined from the spectra and compared with values predicted from density functional theory molecular orbital (DFT-MO) calculations on the muoniated radicals formed by muonium addition to the germanium atom. The muon hyperfine constants for germylenes containing N–Ge bonds are generally quite large, from 593 to 942 MHz, indicating strong interaction between the muon and the unpaired electron in these radicals. The radical derived from one of the germylenes exhibited a significantly lower muon hyperfine constant, suggesting that in this case the muoniated germyl radical undergoes a coupling reaction to form a digermanyl radical, which is what is detected by μSR.
The reactivity of the multifunctional cyclic silylene 4 and its carbene complex 5 have been investigated by a combination of muon spin spectroscopy and computation. The free radicals formed by muonium (Mu) addition to 4 were identified, showing that there are two dominant sites of free radical attack: on the Si atom and on the exocyclic methylene carbon. Reaction of muonium with 5 also produced two radicals, but with markedly different hyperfine constants. For both compounds avoided level-crossing resonance spectra and calculation of hyperfine constants show that one of the radicals results from Mu addition to the methylene group, yielding radicals 4a and 5a. Each contains a muoniated methyl group, −CH2Mu, which undergoes restricted rotation with respect to the plane of the ring. For 4 the second product is readily assigned as the muoniated silyl radical 4b, on the grounds of its high muon hyperfine constant (716 MHz). The second product from 5 shows instead a very small coupling constant, 19 MHz, assigna...
Chemistry – A European JournalVolume 17, Issue 43 p. 11970-11973 Communication Free Radical Reactivity of Mono- and Dichlorosilylene with Muonium Prof. Paul W. Percival, Corresponding Author Prof. Paul W. Percival percival@sfu.ca TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorDr. Jean-Claude Brodovitch, Dr. Jean-Claude Brodovitch TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorMina Mozafari, Mina Mozafari TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorDr. Amitabha Mitra, Dr. Amitabha Mitra Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI53706 (USA)Search for more papers by this authorProf. Robert West, Prof. Robert West Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI53706 (USA)Search for more papers by this authorDr. Rajendra S. Ghadwal, Dr. Rajendra S. Ghadwal Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany)Search for more papers by this authorDr. Ramachandran Azhakar, Dr. Ramachandran Azhakar Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany)Search for more papers by this authorProf. Dr. Herbert W. Roesky, Prof. Dr. Herbert W. Roesky Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany)Search for more papers by this author Prof. Paul W. Percival, Corresponding Author Prof. Paul W. Percival percival@sfu.ca TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorDr. Jean-Claude Brodovitch, Dr. Jean-Claude Brodovitch TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorMina Mozafari, Mina Mozafari TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorDr. Amitabha Mitra, Dr. Amitabha Mitra Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI53706 (USA)Search for more papers by this authorProf. Robert West, Prof. Robert West Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI53706 (USA)Search for more papers by this authorDr. Rajendra S. Ghadwal, Dr. Rajendra S. Ghadwal Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany)Search for more papers by this authorDr. Ramachandran Azhakar, Dr. Ramachandran Azhakar Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany)Search for more papers by this authorProf. Dr. Herbert W. Roesky, Prof. Dr. Herbert W. Roesky Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany)Search for more papers by this author First published: 09 September 2011 https://doi.org/10.1002/chem.201102405Citations: 36Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract The H atom analogue muonium (Mu) has been used to explore the free radical reactivity of two novel chlorosilylenes. Spectroscopic and computational investigations show that Mu adds to the silicon in the NHC-stabilised dichlorosilylene. In contrast, Mu reacts at the carbon of a siladiazirene ring in the monochlorosilylene. Muon and Cl hyperfine constants are consistent with flipping of the SiCl bond from one side of the ring to the other. Citing Literature Supporting Information Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Filename Description chem_201102405_sm_miscellaneous_information.pdf213.2 KB miscellaneous_information Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. Volume17, Issue43October 17, 2011Pages 11970-11973 RelatedInformation
Stable N-heterocyclic carbenes and germylenes were allowed to react with a phosphonyl radical, (i-PrO)(2)(O)(P) over dot (7), generated by photolysis of [(i-PrO)(2)(O)P](2)Hg. The products were identified by EPR spectroscopy. An unsaturated carbene (1) and germylene (3) react with 7 at the divalent atom to give unstable radical products (tau(1/2) = 0.2 s). A benzo-annulated carbene (4) and a saturated germylene (6) react with 7 to give more active radicals. An unsaturated (2) and a saturated silylene (5) undergo rapid reaction (in the dark) with [(i-PrO)(2)(O)P](2)Hg to yield unusual silyl phosphites. In these cases only secondary radicals were observed. DFT (PBE0/TZVP//B3LYP/6-3]+ G(d)) calculations of the radical adducts of the different (C, Si, Ge) unsaturated N-heterocyclic divalent species with the phosphonyl radical show that the unpaired electron is delocalized over the five-membered ring; the spin density on the central atoms decreases in the order C, 39% > Si, 14% > Ge, 2%. These trends can be understood in terms of a zwitterionic structure of the radical adducts. The calculations of the radical adducts of 4, 5 and 6 with 7 indicate larger spin density on the central atom, 47%, 58% and 42% on C, Si, Ge, respectively.
Angewandte ChemieVolume 122, Issue 16 p. 2866-2866 Innentitelbild Innentitelbild: A Silyl Radical formed by Muonium Addition to a Silylene (Angew. Chem. 16/2010) Amitabha Mitra Dr., Amitabha Mitra Dr. Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA), Fax: (+1) 608-262-6143Search for more papers by this authorJean-Claude Brodovitch Dr., Jean-Claude Brodovitch Dr. TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada)Search for more papers by this authorClemens Krempner Dr., Clemens Krempner Dr. Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA), Fax: (+1) 608-262-6143Search for more papers by this authorPaul W. Percival Dr., Paul W. Percival Dr. TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada)Search for more papers by this authorPooja Vyas, Pooja Vyas TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada)Search for more papers by this authorRobert West Dr., Robert West Dr. [email protected] Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA), Fax: (+1) 608-262-6143Search for more papers by this author Amitabha Mitra Dr., Amitabha Mitra Dr. Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA), Fax: (+1) 608-262-6143Search for more papers by this authorJean-Claude Brodovitch Dr., Jean-Claude Brodovitch Dr. TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada)Search for more papers by this authorClemens Krempner Dr., Clemens Krempner Dr. Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA), Fax: (+1) 608-262-6143Search for more papers by this authorPaul W. Percival Dr., Paul W. Percival Dr. TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada)Search for more papers by this authorPooja Vyas, Pooja Vyas TRIUMF and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada)Search for more papers by this authorRobert West Dr., Robert West Dr. [email protected] Organosilicon Research Center, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA), Fax: (+1) 608-262-6143Search for more papers by this author First published: 30 March 2010 https://doi.org/10.1002/ange.201001222AboutPDF ToolsRequest permissionAdd to favorites ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Graphical Abstract Bestrahlung des stabilen Silylens N,N′-Bis(2,6-diisopropylphenyl)-1,3-diaza-2-silacyclopent-4-en-2-yliden mit Myonen ergibt ein Radikal, das R. West et al. anhand seines Myonenspinrotationsspektrums als das monomere Myonium-Addukt identifizierten. Wie in der Zuschrift auf S. 2955 ff. geschildert wird, liegt die Myon-Hyperfeinkonstante bei 931 MHz, was der bei weitem größte je bestimmte Wert für ein freies Radikal ist. Volume122, Issue16April 6, 2010Pages 2866-2866 This is the German version of Angewandte Chemie. Note for articles published since 1962: Do not cite this version alone. Take me to the International Edition version with citable page numbers, DOI, and citation export. We apologize for the inconvenience. RelatedInformation
The synthesis of two N-aryl substituted 2-silaimidazolidenes 9a, b by metal-reduction of the appropriate silicon(IV) heterocycles is reported. Structural as well as spectroscopic data obtained for the N-aryl substituted N-heterocyclic silylenes (NHSi) are very close to those obtained previously for their N-alkyl substituted counterparts. NHSis 9a,b are used as starting materials for the synthesis of a series of dichalcogenadisiletanes 19-24 and for of a mono silylene tungsten complex 29. The reactivity studies revealed only marginally differences between the N-aryl substituted NHSis 9a,b and previously described N-alkyl substituted silylenes. (C) 2009 Elsevier B. V. All rights reserved.
Mixtures of boric anhydride (B2O3) or orthoboric acid (B(OH)(3)) with MgO in 1:1, 1:10 and 1:100 ratios were heated in alumina crucibles from 400 degrees C to 1000 degrees C. The resulting crystalline compounds were identified by powder X-ray diffraction. Solid state B-11 NMR and FT-IR were used to identify the boron bonding environment. Three- and four-coordinate boron species were found in the mixtures at the various temperatures. Temperature had the greatest effect on which compounds could be identified, with no effect observed below 800 degrees C. It was found that mixtures of boron oxide and magnesium oxide produced a magnesium hexaborate (MgB6O10 center dot 7H(2)O) and suanite (Mg2B2O5), whereas mixtures of boric acid and magnesium oxide produced kotoite (Mg-3(BO3)(2)) and suanite. Thus, the type of boron starting material in the solid mixture determined what compounds formed at higher temperatures. The implication is that, at low levels, the boron reagents combine with magnesium oxide differently during heating and with boric acid, before dehydration occurs.
Muonraker: irradiation of the stable silylene N,N'-bis(2,6-diisopropylphenyl)-1,3-diaza-2-silacyclopent-4-en-2-ylidene with muons produced a radical that was identified as the monomeric muonium adduct from its muon spin rotation (μSR) spectrum. The muon hyperfine constant for this radical is 931 MHz, the largest ever recorded for a free radical.
Chemistry – A European JournalVolume 15, Issue 34 p. 8409-8412 Communication Reaction of Stable N-Heterocyclic Silylenes and Germylenes with Muonium Brett M. McCollum Dr., Brett M. McCollum Dr. Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada), Fax: (+1) 778-782-3765 Current address: Department of Chemical and Biological Sciences, Mount Royal College, Calgary, Alberta T3E 6 K6 (Canada)Search for more papers by this authorJean-Claude Brodovitch Dr., Jean-Claude Brodovitch Dr. Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorJason A. C. Clyburne Prof., Jason A. C. Clyburne Prof. Department of Chemistry, Saint Mary's University, Halifax, Nova Scotia B3H 3C3 (Canada)Search for more papers by this authorAmitabha Mitra Dr., Amitabha Mitra Dr. Organosilicon Research Center, University of Wisconsin, Madison, Wisconsin 53706 (USA)Search for more papers by this authorPaul W. Percival Prof., Paul W. Percival Prof. [email protected] Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorAdam Tomasik Dr., Adam Tomasik Dr. Organosilicon Research Center, University of Wisconsin, Madison, Wisconsin 53706 (USA) Current address: Dow Corning Corporation, P.O. Box 994, Midland, Michigan 48686-0994 (USA)Search for more papers by this authorRobert West Prof., Robert West Prof. Organosilicon Research Center, University of Wisconsin, Madison, Wisconsin 53706 (USA)Search for more papers by this author Brett M. McCollum Dr., Brett M. McCollum Dr. Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada), Fax: (+1) 778-782-3765 Current address: Department of Chemical and Biological Sciences, Mount Royal College, Calgary, Alberta T3E 6 K6 (Canada)Search for more papers by this authorJean-Claude Brodovitch Dr., Jean-Claude Brodovitch Dr. Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorJason A. C. Clyburne Prof., Jason A. C. Clyburne Prof. Department of Chemistry, Saint Mary's University, Halifax, Nova Scotia B3H 3C3 (Canada)Search for more papers by this authorAmitabha Mitra Dr., Amitabha Mitra Dr. Organosilicon Research Center, University of Wisconsin, Madison, Wisconsin 53706 (USA)Search for more papers by this authorPaul W. Percival Prof., Paul W. Percival Prof. [email protected] Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6 (Canada), Fax: (+1) 778-782-3765Search for more papers by this authorAdam Tomasik Dr., Adam Tomasik Dr. Organosilicon Research Center, University of Wisconsin, Madison, Wisconsin 53706 (USA) Current address: Dow Corning Corporation, P.O. Box 994, Midland, Michigan 48686-0994 (USA)Search for more papers by this authorRobert West Prof., Robert West Prof. Organosilicon Research Center, University of Wisconsin, Madison, Wisconsin 53706 (USA)Search for more papers by this author First published: 19 August 2009 https://doi.org/10.1002/chem.200901281Citations: 28Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Graphical Abstract Very a-Mu-sing! Reaction of a germylene with muonium (Mu) yields a germyl radical, in direct analogy to Mu attack at the ylideneic center of the corresponding N-heterocyclic carbene. In contrast, the analogous silylene initially yields the expected silyl radical, but this radical rapidly attacks another silylene molecule to generate a muoniated disilanyl radical. Citing Literature Supporting Information Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Filename Description chem_200901281_sm_miscellaneous_information.pdf81.2 KB miscellaneous information Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. Volume15, Issue34Special Issue: In Honor of Professor Yitzhak Apeloig for his 65th BirthdayAugust 24, 2009Pages 8409-8412 RelatedInformation
The title compound (Ti((C5H4Bu)-Bu-t)(2)Cl-2, 1) exists in three polymorphs and undergoes two enantiotropic phase transitions between them. The low-temperature, non-merohedrally twinned monoclinic phase III (space group P2(1)) Undergoes a first-order phase transition into an orthorhombic phase II (space group P2(1)2(1)2(1)) at 147(l) K. Subsequent heating of the crystal results in a gradual second-order k2 transformation of this phase into the high-temperature orthorhombic phase I (P2(1)2(1)2). This phase transition is completed at similar to 330 K. The phase transitions were monitored by single-crystal X-ray diffraction, differential scanning calorimetry and powder diffraction; however, the II --> I transition did not register on the differential scanning calorimetry curve or powder patterns. The molecular conformations and mutual arrangement of molecule,, in the crystal in the three phases are very similar. The location of the ancillary ligands relative to the Cl-Ti-Cl wedge in the solid-state structures of 1 and 32 related Ti(C5H4R)(2)Cl-2 complexes seems to be principally determined by weak C-H center dot center dot center dot Cl intrarnolecular interactions between the R substituents and Cl ligands rather than by steric factors. Ail example of an advanced structural refinement technique Using SHELXL to compute standard uncertainties on mathematically derived parameters is also given.
SiSe matters: Diselenadisiletane 2, formed from direct reaction of a racemic silylene 1 with elemental selenium, gives the first bis(silaselenone) upon hydrolysis with water (3; see picture, C gray, H white, N blue, O red, Se purple, Si green; d(Si=Se) = 215 pm). The reaction is stereoconvergent: only racemic forms of 3 are obtained from a mixture of racemic and meso forms of 2.
AbstractHydrolyse mit Wasser überführt das durch Umsetzung von racemischem Silylen 1 mit elementarem Selen gebildete Diselenadisiletan 2 in das erste Bis(silaselenon) (3; siehe Struktur; grau C, weiß H, blau N, rot O, violett Se, grün Si; d(SiSe)=215 pm). Diese Reaktion verläuft stereokonvergent: Aus der Mischung der rac‐ und meso‐Isomere von 2 wird nur racemisches 3 erhalten.magnified image
One of the greatest technological barriers of widespread introduction of hydrogen in global energy systems is an efficient and safe storage method. Hydrogen chemically bonded in metals or intermetallic alloys constitutes a storage alternative where very high volumetric densities can be obtained. However, in the known materials for hydrogen storage, it is always a trade-off between volumetric densities, gravimetric densities, stability, kinetics, price and safety. During the last years new hydrogen storage materials with improved properties have been synthesized and characterized. In particular novel complex hydrides based on the elements aluminium, boron, magnesium and nitrogen have been extensively studied. Alane, AlH3, is of interest because of its very high volumetric and gravimetric hydrogen density and low decomposition temperature. 3 polymorphs (alpha prime, beta and gamma) with previously unknown crystal structures have been characterized with combined high-resolution synchrotron raditation powder diffraction (SR-PXD) and neutron powder diffraction (NPD). Their thermal decomposition behaviours were investigated by in-situ SR-PXD, revealing an intermingling of phase transitions and decomposition. In-situ SR-PXD combined with Raman spectroscopy was used to investigate thermal decomposition of Ca(BH4)2. The decomposition route involves several phase transitions and intermediate phases in both crystalline and amorphous state. Li2NH is an important phase in M-Li-N-H systems but the crystal structure has been debated. NPD and SR-PXD data collected from a double isotope substituted sample, LiND2, clearly show that the unit cell is larger and the symmetry is lower than the previously suggested.
New halogen-containing tetrametallic aluminium alkoxides of formula [Al{(mu-OEt)2AlMeCl}3] ( 2-cis; 2-trans), and [Al{(mu-OEt)2AlBr2}3] ( 4), have been synthesized by combining Al(OEt)3 and Me2AlCl (for 2) or EtAlBr2 (for 4). They were fully characterized by (1H, 27Al) NMR, IR, mp, elemental analysis, and single-crystal X-ray diffractometry. The chloride analogue of 4, [Al{(mu-OEt)2AlCl2}3] ( 3), prepared previously using a different route, was also prepared here by combining Al(OEt)3 and EtAlCl2.
Three new stable silylenes, rac-1,3,4-tri-tert-butyl-1,3-diaza-2-silacyclopentane-2-ylide (5), 1,3-di-tert-butyl-4,4-dimethyl-1,3-diaza-2-silacyclopentane-2-ylide (6), and rac-1,3-di-tert-butyl-4-methyl-1,3-diaza-2-silacyclopentane-2-ylide (7), have been synthesized by the reaction of their corresponding dibromides with KC8. Unlike the analogous silylene 2, which lacks any backbone substitution and tetramerizes in concentrated solution or as a solid, silylenes 5, 6, and 7 show no tendency to oligomerize. The reactions of 5 with tert-butanol and chloroalkanes give only 1:1 O−H or C−Cl insertion products; with adamantyl azide 5 yields the spirosilatetrazoline 8, while with mesityl azide it gives the azadisilacyclopropane 9.
Schiff base boron and aluminium bromides have been used to cleave organophosphate nerve agents and pesticides and their simulants: salben((t)Bu)[BBr(2)](2) was very effective in cleaving the VX simulants EMPPT and DEPPT and nerve agent VX; salen((t)Bu)AlBr was effective in cleaving the nerve agents VX and Soman and the pesticide Diazinon.
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.