The pincer ligand dihydride complex interacts with carbon dioxide to give an isolable bicarbonate derivative and a metal hydride carbonyl compound. An intermediate metallo−formate complex can be detected by NMR spectroscopy. The reaction described is a reverse water gas shift process, CO2 + H2 ⇌ CO + H2O.

The pincer ligand dihydride complex [IrH2{(Bu-t(2))PCH2CH2CHCH2CH2P(Bu-t(2))}] interacts with carbon dioxide to give an isolable bicarbonate [IrH(kappa(2)-O2COH)}{(Bu-t(2))PCH2CH2CHCH2CH2P(Bu-t(2))}] derivative and a metal hydride carbonyl compound. An intermediate metallo-formate complex can be detected by NMR spectroscopy. The reaction described is a reverse water gas shift process, CO2 + H-2 <--(-->) CO + H2O.

The sodalite cage containing only an electron as a nonframework ''anion' is well adapted for the study of solvated ''electride'' Wigner lattices and quantitative mapping of the intra- and intercage electronic potential surfaces. In this paper we report the direct synthesis of anion free cage structures of the form Na3[](ABO4)3.nH2O (A; B = Al, Ga; Si, Ge) as possible precursors for sodalite electride synthesis. A novel, low-temperature sodalite dehydroxylation method is presented for the preparation of Na3[](AlSiO4)3.4H2O from Na4[OH](AlSiO4)3.1.72H2O. Results from a neutron diffraction study of Na3(ZnAsO4)3.4H2O give evidence of hydrogen bonding between the framework oxygen atoms and the beta-cage substructure and aid in explanation of analog unit cell trends. All of the investigated sodalites have an ordered array of their framework tetrahedral cations and crystallize in the cubic space group P43nBAR, Z = 2. Two of these new sodalites were characterized by single-crystal X-ray diffraction. Na3(AlGeO4)3.4H2O, with a = 8.965(1) angstrom, d(Al-O) = 1.746(4) angstrom, d(Ge-O) = 1.758(4) angstrom, and THETA(Al-O-Ge) = 129.6(2)degrees, has beta-cages which contain a defect-''cubane''-like Na3.4H2O array. Final disagreement factors: R = 1.93% and R(w) = 2.19% for 208 observed reflections [I > 3sigma(I)]. Na3(GaGeO4)3-4H2O, with a = 9.0033(7) angstrom, d(Ga-O) = 1.839(3) angstrom, d(Ge-O) = 1.745(3) angstrom, and THETA(Ga-O-Ge) = 125.3(2)degrees, has the same beta-cage contents. Final disagreement factors of R = 1.00% and R(w) = 1.29% were obtained for 183 observed reflections [I > 3sigma(I)]. The structure of Na3-[(GaSiO4)3].4H2O was determined by Rietveld refinement of room-temperature X-ray powder diffraction data, with a = 8.8614(2) angstrom, d(Ga-O) = 1.847(4) angstrom, d(Si-O) = 1.580(3) angstrom, THETA(Ga-O-Si) = 131.9(3)degrees, and the same beta-cage contents. Final disagreement factors of R(p) = 10.07% and R(wp) = 13.75% for 4099 data were obtained. The structure of Na3(ZnASO4)3.4H2O was determined from low-temperature continuous-wavelength neutron powder diffraction data, with a = 9.0276(7) angstrom, d(Zn-O) = 1.974(4) angstrom, d(As-O) = 1.689(4) angstrom, THETA(Zn-O-As) = 121.1(3)degrees, and the same beta-cage contents, with evidence of hydrogen bonding between cubane and framework atoms. Final disagreement factors of R(p) = 4.26% and R(wp) = 5.52% for 3268 data were obtained. These isomorphs are compared with other Na3[](ABO4)3.4H2O types of sodalite structures in terms of geometrical trends in 6-ring topologies and cation and water molecule sitings. Further structural information is obtained through presented spectral, thermogravimetric, and physical data.

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructural and Chemical Investigations of Na3(ABO4)3.cntdot.4H2O-Type Sodalite PhasesTina M. Nenoff, William T. A. Harrison, Thurman E. Gier, Nancy L. Keder, Charlotte M. Zaremba, Vojislav I. Srdanov, Jaqueline M. Nicol, and Galen D. StuckyCite this: Inorg. Chem. 1994, 33, 11, 2472–2480Publication Date (Print):May 1, 1994Publication History Published online1 May 2002Published inissue 1 May 1994https://doi.org/10.1021/ic00089a026Request reuse permissionsArticle Views183Altmetric-Citations43LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InReddit PDF (1 MB) Get e-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts

C18H15PSe3, M(r) = 499.17, trigonal (hexagonal cell), R3BAR, a = 12.8896 (5), c = 19.1855 (7) angstrom, V = 2760.5 (2) angstrom3, Z = 6, D(x) = 1.80 g cm-3, lambda(Mo Kalpha) = 0.71069 angstrom (graphite monochromator), mu = 60.16 cm-1, F(000) = 1440, T = 296 K, R = 0.068 for 998 observed reflections with I > 3sigma(I). The structure determination provides the first crystallographic data of the strain-free P(SeCR)3 unit. Distances: P-Se 2.271 (2), Se-C 1.925 (6) angstrom; angles: Se-P-Se 96.6 (1), P-Se-C 97.6 (2)-degrees. The individual molecules have crystallographically imposed threefold symmetry and pack in layers, possibly giving the structure applications in intercalation chemistry.

C18H15PS4, M(r) = 390.5, monoclinic, P2(1)/n, a = 10.1406 (5), b = 10.1948 (6), c = 18.870 (1) angstrom, beta = 97.253 (2)-degrees, V = 1935.2 (3) angstrom3, Z = 4, D(x) = 1.34 g cm-3, lambda(Mo K-alpha) = 0.71069 angstrom (graphite monochromator), mu = 5.49 cm-1, F(000) = 808, T = 297 K, R = 0.045 for 2507 observed reflections with I > 3-sigma(I). Distances: P=S 1.899 (1), P-S (av.) 2.102 (2) angstrom; angles (av.): S=P-S 117.1 (3), S-P-S 109.9 (2)-degrees. These are the first crystallographic data for the SP(SCR)3 unit.

ADVERTISEMENT RETURN TO ISSUEPREVArticleModels for structural environments in silicon chalcogenide glasses. Synthesis, characterization, and single-crystal x-ray structures of tetrakis(benzenethiolato)silicon and tetrakis(benzeneselenolato)siliconRobert K. Shibao, Nancy L. Keder, and Hellmut EckertCite this: Inorg. Chem. 1990, 29, 20, 4163–4166Publication Date (Print):October 1, 1990Publication History Published online1 May 2002Published inissue 1 October 1990https://pubs.acs.org/doi/10.1021/ic00345a055https://doi.org/10.1021/ic00345a055research-articleACS PublicationsRequest reuse permissionsArticle Views98Altmetric-Citations11LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNucleophilic activation of metal carbonyl clusters. Isolation and structure of the elusive chloride adduct undecacarbonylchlorotriruthenate(1-)Tyrena Chin-Choy, William T. A. Harrison, Nancy Keder, Galen D. Stucky, and Peter C. FordCite this: Inorg. Chem. 1989, 28, 11, 2028–2029Publication Date (Print):May 1, 1989Publication History Published online1 May 2002Published inissue 1 May 1989https://pubs.acs.org/doi/10.1021/ic00310a006https://doi.org/10.1021/ic00310a006research-articleACS PublicationsRequest reuse permissionsArticle Views81Altmetric-Citations20LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts

: KTiOPO4 or KTP has shown itself to be a premier material for optical second harmonic generation, or SHG. Cations ranging in size from Ag+ to Cs+ can be partially or completely exchanged for Kt, altering the structure and changing the reactivity and SHG coefficient of the material. In particular, partial deammoniation of NH4TiOPO4 results in changes in the Ti-O bond lengths and a dramatic reduction in SHG. Many isomorphic derivatives of KTP have been made in which 3- and 4- valent transition and main group metals are substituted for Ti, balancing charge by substituting Fu or OH for oxide in the Ti-O chain. Guest and host modification can be used to define nonlinear optic properties over a wide range. Keywords: Electrooptic, Site selection, Inclusion, Potassium titanyl phosphate, Silver titanyl phosphate, Nonlinear optic.

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInclusion tuning of nonlinear optical materials: sorbates on the KTP structureMichael M. Eddy, Thurman E. Gier, Nancy L. Keder, Galen D. Stucky, David E. Cox, John D. Bierlein, and Glover JonesCite this: Inorg. Chem. 1988, 27, 11, 1856–1858Publication Date (Print):June 1, 1988Publication History Published online1 May 2002Published inissue 1 June 1988https://doi.org/10.1021/ic00284a009RIGHTS & PERMISSIONSArticle Views114Altmetric-Citations27LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InReddit PDF (393 KB) Get e-AlertsSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts

Chemischer InformationsdienstVolume 10, Issue 15 Organoelement Compounds ChemInform Abstract: INTRAMOLECULAR ASSOCIATIVE ASSISTANCE IN THE LABILIZATION OF CHROMIUM(III) COMPLEXES: A COMPARISON OF THE ACID AQUATION OF 2,4-PENTANEDIONE FROM CR(HEDTA)(ACAC)- AND CR(EDDA)(ACAC) J. GUARDALABENE, Search for more papers by this authorS. GULNAC, Search for more papers by this authorN. KEDER, Search for more papers by this authorR. E. SHEPHERD, Search for more papers by this author J. GUARDALABENE, Search for more papers by this authorS. GULNAC, Search for more papers by this authorN. KEDER, Search for more papers by this authorR. E. SHEPHERD, Search for more papers by this author First published: April 10, 1979 https://doi.org/10.1002/chin.197915311AboutPDF 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 onEmailFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume10, Issue15April 10, 1979 RelatedInformation