Wechselwirkungen in Molekülkristallen, 174 [1, 2]. Kristallzüchtung und Strukturbestimmung verschiedenartig Methyl-substituierter Imidodiphosphorsäuretetraphenylester / Interaction in Molecular Crystals, 174 [1, 2]. Crystal Growth and Structure Determination of Differently Methyl-Substituted Tetraphenyl Imidodiphosphates

2001 ◽  
Vol 56 (6) ◽  
pp. 469-482 ◽  
Author(s):  
Hans Bock ◽  
Erik Heigel
Keyword(s):  
Crystal Growth ◽  
Structure Determination ◽  
Molecular Crystals ◽  
Structural Data ◽  
Structural Motif ◽  
Cesium Salts ◽  
Hydrogen Bonded

Abstract Four differently methyl-substituted tetraphenyl imidodiphosphates [(H3C)nC6H5-n]2PO-NH-PO[C6H5-n(C3)n] (n = 1, 2), i. e. the 4-, 3,4-, 3,5-and 2,3-derivatives, have been crystallized and their structures determined to gain information on the spatial requirements as ligands in the corresponding cesium salts. According to the packing coefficients calculated from the structural data, they increase in the sequence 4<3,5<3,4<2,3. The most perturbed structural motif is the hydrogen bonded, eight-membered of each the dimer subunits.

Wechselwirkungen in Molekülkristallen, 160 [1,2]. Kristallzüchtung und Strukturbestimmung der verschiedenartigen Polyphenyl-Kontaktionenmultipel [p-Quaterphenylee⊖⊖][Na⊕(DME)3]2, [p-Quaterphenyl⊖⊖(Na⊕(THF)3)2] und [p-Terphenyl⊖⊖Na⊕(DME)2Na⊕(DME)]2 / Interaction in Molecular Crystals, 160 [1, 2]. Crystallization and Structure Determination of the Different Polyphenyl Contact Ion Multiples [p-Quaterphenylee⊖⊖][Na⊕(DME)3]2, [p-Quaterphenyl⊖⊖(Na⊕(THF)3)2] und [p-Terphenyl⊖⊖Na⊕(DME)2Na⊕(DME)]2

2000 ◽  
Vol 55 (12) ◽  
pp. 1103-1113 ◽  
Author(s):  
Hans Bock ◽  
K. Gharagozloo-Hubmann ◽  
M. Sievert
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Sodium Salt ◽  
Structure Determination ◽  
Metal Cation ◽  
Molecular Crystals ◽  
Sodium Salts ◽  
Structure Determinations ◽  
Cation Coordination

The π-hydrocarbons p-terphenyl and p-quaterphenyl are reduced to their dianions in aprotic solutions of different ethers at sodium metal mirrors. Single crystal structure determinations of the solvent-separated or solvens-shared contact ion multiples, [p-terphenyl⊖⊖ Na⊕(DME)2Na⊕DME]2, p-quaterphenyl⊖⊖ ][Na⊕(DME)3]2 and [p-quaterpheny⊖⊖( Na⊕(THF)3)2], prove the essential cation solvation by the chelating dimethoxyethane (DME) versus the bulky tetrahydrofuran (THF) ligands: The solution network of equilibria between solvent separated and solvent shared ion aggregates can be considerably and transparently modified by the ether solvent selected. In addition, the structures of the monomeric sodium salts reveal partly novel details of metal cation coordination by contacts Na⊕ ··· O as well as Na⊕ ··· Cπ such as in the dimeric sodium salt of p-terphenyl dianion, [(DME)2Na⊕ (terphenyl⊖⊖)(Na⊕ DME)(terphenyl⊖⊖)Na⊕ (DME)2].

Single Crystal Growth and Structure Determination of the Natural “High Potency” Sweetener Rebaudioside A

2012 ◽  
Vol 12 (2) ◽  
pp. 990-993 ◽  
Author(s):  
Mani Upreti ◽  
Jared P. Smit ◽  
Eric J. Hagen ◽  
Valeriya N. Smolenskaya ◽  
Indra Prakash
Keyword(s):  
Crystal Growth ◽  
Single Crystal ◽  
Structure Determination ◽  
Single Crystal Growth ◽  
Rebaudioside A ◽  
High Potency

Crystal Growth and Structure Determination of the New Neodymium Germanate, Na2NdGeO4(OH)

2014 ◽  
Vol 44 (6) ◽  
pp. 320-323 ◽  
Author(s):  
Kendall Hughey ◽  
Jeongho Yeon ◽  
Hans-Conrad zur Loye
Keyword(s):  
Crystal Growth ◽  
Structure Determination

scholarly journals Crystal Growth and Structure Determination of Oxygen-Deficient Sr6Co5O15.

ChemInform ◽  
2006 ◽  
Vol 37 (52) ◽  
Author(s):  
Junliang Sun ◽  
Guobao Li ◽  
Zhaofei Li ◽  
Liping You ◽  
Jianhua Lin
Keyword(s):  
Crystal Growth ◽  
Structure Determination

Wechselwirkungen in Molekülkristallen, 156 [1, 2]. Kristallzüchtung und Strukturbestimmung von (Imidodiphosphat)-Alkalisalzen mit Kationen niedriger und hoher Koordinationszahlen / Interaction in Molecular Crystals, 156 [1, 2]. Crystal Growth and Structure Determination of Alkali(imidodiphosphate) Salts with Cations of Low and High Coordination Numbers

2000 ◽  
Vol 55 (9) ◽  
pp. 773-784 ◽  
Author(s):  
Hans Bock ◽  
Erik Heigel ◽  
Norbert Nagel
Keyword(s):  
Crystal Growth ◽  
Coordination Number ◽  
Molecular Crystals ◽  
Chelating Ligands ◽  
Chain Polymer ◽  
Coordination Numbers ◽  
Structural Differences ◽  
A Chain ◽  
High Coordination

Imidodiphosphates ⊖N[PO(OR)2]2 and Imidodiphosphonates ⊖N[POR2]2 are effective chelating ligands for a variety of metal cations including even Na⊕, for which a lipophilically wrapped hexameric polyion cluster has been structurally characterized. The corresponding hexameric lithium and polyrubidium ion complexes reported here exhibit considerable structural differences: The rather small Li⊕ cations of coordination number five and tetraphenylimidodiphosphate form an isolated hexameric aggregate analogous to the Na⊕ one, whereas the larger Rb⊕ with coordination number seven and (3,4-dimethylphenyl)substituents crystallizes as a chain polymer. Based on the crystal structures, the dominant Coulomb attractions between cations and anions, the spatial requirement of the ligands and the essential phenyl/phenyl interactions in their lipophilic skin are discussed

Kristallzucht und Strukturaufklärung von K2[Pt(CN)4Cl2], K2[Pt(CN)4Br2], K2[Pt(CN)4I2] und K2[Pt(CN)4Cl2] · 2H2O/ Crystal Growth and Crystal Structure Determination of K2[Pt(CN)4Cl2], K2[Pt(CN)4Br2], K2[Pt(CN)4I2] and K2[Pt(CN)4]Cl2] · 2H2O

2004 ◽  
Vol 59 (5) ◽  
pp. 567-572 ◽  
Author(s):  
Claus Mühle ◽  
Andrey Karpov ◽  
Jürgen Nuss ◽  
Martin Jansen
Keyword(s):  
Crystal Structure ◽  
Infrared Spectroscopy ◽  
Crystal Growth ◽  
Single Crystal ◽  
Structure Determination ◽  
Spectroscopy Data ◽  
Crystal Data ◽  
X Ray ◽  
Raman And Infrared Spectroscopy

Abstract Crystals of K2Pt(CN)4Br2, K2Pt(CN)4I2 and K2Pt(CN)4Cl2 ·2H2O were grown, and their crystal structures have been determined from single crystal data. The structure of K2Pt(CN)4Cl2 has been determined and refined from X-ray powder data. All compounds crystallize monoclinicly (P21/c; Z = 2), and K2Pt(CN)4X2 with X = Cl, Br, I are isostructural. K2Pt(CN)4Cl2: a = 708.48(2); b = 903.28(3); c = 853.13(3) pm; β = 106.370(2)°; Rp = 0.064 (N(hkl) = 423). K2Pt(CN)4Br2: a = 716.0(1); b = 899.1(1); c = 867.9(1) pm; β = 106.85(1)°; R(F)N′ = 0.026 (N’(hkl) = 3757). K2Pt(CN)4I2: a = 724.8(1); b = 914.5(1); c = 892.1(1) pm; β = 107.56(1)°; R(F)N′ = 0.025 (N’(hkl) = 2197). K2Pt(CN)4Cl2 ·2H2O: a = 763.76(4); b = 1143.05(6); c = 789.06(4) pm; β = 105.18(1)°; R(F)N′ = 0.021 (N’(hkl) = 2281). Raman and infrared spectroscopy data are reported.

scholarly journals Single crystal growth and structure determination of Rb1.5Mn8O16 hollandite.

1990 ◽  
Vol 15 (2) ◽  
pp. 41-49 ◽  
Author(s):  
Naoichi YAMAMOTO ◽  
Yoshio OKA ◽  
Osamu TAMADA
Keyword(s):  
Crystal Growth ◽  
Single Crystal ◽  
Structure Determination ◽  
Single Crystal Growth

Single-crystal growth and structure determination of misfit layer oxide [Sr2TlO3][CoO2]1.77

2007 ◽  
Vol 306 (1) ◽  
pp. 233-239 ◽  
Author(s):  
Markus Valkeapää ◽  
Martin Valldor ◽  
Sven Lidin ◽  
Tomasz Lada ◽  
Andrzej Morawski ◽  
...  
Keyword(s):  
Crystal Growth ◽  
Single Crystal ◽  
Structure Determination ◽  
Single Crystal Growth

Crystal Growth and Structure Determination of Barium Rhodates: Stepping Stones Toward 2H—BaRhO3.

ChemInform ◽  
2004 ◽  
Vol 35 (17) ◽  
Author(s):  
Katharine E. Stitzer ◽  
Ahmed El Abed ◽  
Jacques Darriet ◽  
Hans-Conrad zur Loye
Keyword(s):  
Crystal Growth ◽  
Structure Determination ◽  
Stepping Stones

Crystal growth and structure determination of silicon telluride Si2Te3

1976 ◽  
Vol 11 (9) ◽  
pp. 1147-1153 ◽  
Author(s):  
K. Ploog ◽  
W. Stetter ◽  
A. Nowitzki ◽  
E. Schönherr
Keyword(s):  
Crystal Growth ◽  
Structure Determination
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