Clarification of Cross-Linkage Structure in Boric Acid Doped Poly(vinyl alcohol) and Its Model Compound As Studied by an Organized Combination of X-ray Single-Crystal Structure Analysis, Raman Spectroscopy, and Density Functional Theoretical Calculation

2014 ◽  
Vol 118 (22) ◽  
pp. 6032-6037 ◽  
Author(s):  
Takahiko Itou ◽  
Hideyuki Kitai ◽  
Akira Shimazu ◽  
Tsukasa Miyazaki ◽  
Kohji Tashiro
Keyword(s):  
Crystal Structure ◽  
Raman Spectroscopy ◽  
Vinyl Alcohol ◽  
Density Functional ◽  
Model Compound ◽  
Crystal Structure Analysis ◽  
Poly Vinyl Alcohol ◽  
X Ray ◽  
Cross Linkage ◽  
Single Crystal Structure Analysis

ChemInform Abstract: Intrastrand Bis(guanine) Chelation of d(CpGpG) to cis-Platinum: An X-Ray Single-Crystal Structure Analysis.

ChemInform ◽  
1987 ◽  
Vol 18 (22) ◽  
Author(s):  
G. ADMIRAAL ◽  
J. L. VAN DER VEER ◽  
R. A. G. DE GRAAFF ◽  
J. H. J. DEN HARTOG ◽  
J. REEDIJK
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Structure Analysis ◽  
Crystal Structure Analysis ◽  
Single Crystal Structure ◽  
X Ray ◽  
Single Crystal Structure Analysis

X-ray single crystal structure analysis technique for high temperatures

1970 ◽  
Vol 3 (2) ◽  
pp. 97-98 ◽  
Author(s):  
F. Hanic ◽  
Z. Kučera ◽  
F. Medveď ◽  
E. Pluhár
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Structure Analysis ◽  
High Temperatures ◽  
Crystal Structure Analysis ◽  
Single Crystal Structure ◽  
X Ray ◽  
Analysis Technique ◽  
Single Crystal Structure Analysis

The Inclusion of Carbon Disulfide in p-tert-Butylcalix[4]-and [6 ]arene - A Combined Crystallographic and Vibrational Spectroscopic Study

2000 ◽  
Vol 55 (2) ◽  
pp. 213-221 ◽  
Author(s):  
Jürgen Schatz ◽  
Frank Schildbach ◽  
Axel Lentz ◽  
Sylvia Rastätter ◽  
Joachim Schilling ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Raman Spectroscopy ◽  
Carbon Disulfide ◽  
Crystal Structure Analysis ◽  
Infrared And Raman Spectra ◽  
Space Group ◽  
X Ray ◽  
Butyl Group ◽  
Tert Butyl Group ◽  
Ir And Raman

The inclusion complexes formed from carbon disulfide and p-tert-butylcalix[4]arene ( 1·CS2) or p-tert-butylcalix[6]arene (2·CS2) were investigated by X-ray crystal structure analysis, infrared (IR) and Raman spectroscopy. The complex 1·CS2 crystallises in the space group P4/n, 2·CS2 in the space group P21/n. In case of p-tert-butylcalix[4]arene as host the carbon disulfide molecule is included in the cavity. In the crystal structure of p-tert-butylcalix[ 6]arene clathrate, self-complexation of one tert-butyl group in the cavity of another calix[ 6]arene can be observed. Due to inclusion, the symmetry of CS2 is lowered both in the p-tert- butylcalix[4]arene and p-tert-butylcalix[6]arene case causing significant shifts in the fully assigned infrared and Raman spectra.

Stereoselective Syntheses of Alkyl Z-2-(2-amino-4-oxo-1,3-selenazol- 5(4H)-ylidene)acetates in Solvent-Free Conditions, X-Ray Single Crystal Structure Analysis of Ethyl Z-2-(2-amino-4-oxo-1,3-selenazol- 5(4H)-ylidene)acetate

2005 ◽  
Vol 60 (5) ◽  
pp. 569-571 ◽  
Author(s):  
Ali Ramazani ◽  
Ali Morsali ◽  
Bijan Ganjeie ◽  
Ali Reza Kazemizadeh ◽  
Ebrahim Ahmadi ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Structure Analysis ◽  
Crystal Structure Analysis ◽  
Solvent Free ◽  
Single Crystal Structure ◽  
X Ray ◽  
Solvent Free Conditions ◽  
Stereoselective Syntheses ◽  
Single Crystal Structure Analysis

Selenourea reacts with dialkyl acetylenedicarboxylates under solvent-free conditions to form 1:1 adducts, which undergo a cyclization reaction to produce alkyl Z-2-(2-amino-4-oxo-1,3-selenazol- 5(4H)-ylidene)acetates, in good yields. The stereochemistry of the ethyl Z-2-(2-amino-4-oxo-1,3- selenazol-5(4H)-ylidene)acetate was established by X-ray single crystal structure analysis. The reaction is completely stereoselective.

scholarly journals The Crystal Structure of DL-Pentane-2,4-diol as a Model Compound for Poly(vinyl alcohol)

1984 ◽  
Vol 16 (3) ◽  
pp. 199-206 ◽  
Author(s):  
Shunsuke Kuribayashi
Keyword(s):  
Crystal Structure ◽  
Vinyl Alcohol ◽  
Model Compound ◽  
Poly Vinyl Alcohol

X-ray and neutron diffraction investigation at 298 K of NH4I · NH3 and ND4I · ND3 containing the cation H3N – H … NH3+ and D3N – D … ND3+

1992 ◽  
Vol 200 (3-4) ◽  
Author(s):  
H. J. Berthold ◽  
E. Vonholdt ◽  
R. Wartchow ◽  
T. Vogt
Keyword(s):  
Crystal Structure ◽  
Low Temperature ◽  
Neutron Diffraction ◽  
Single Crystal ◽  
Structure Analysis ◽  
Crystal Structure Analysis ◽  
Single Crystal Structure ◽  
X Ray ◽  
Single Crystal Structure Analysis

AbstractNHA single crystal structure analysis of NThe deuterated compound NThe structures of the ordered low temperature phases will be reported separately.

Stereoselective Synthesis of Multifunctionalized Nitrones via Conjugate Addition Between α-Halogeno Hydrazones and Nitroso Compounds

Synlett ◽  
2021 ◽  
Author(s):  
Hong-Wu Zhao ◽  
Xiao-Fan Bi ◽  
Hai-Liang Pang ◽  
Zhe Tang ◽  
Heng Zhang ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Structure Analysis ◽  
Chemical Structure ◽  
Stereoselective Synthesis ◽  
Conjugate Addition ◽  
Crystal Structure Analysis ◽  
Nitroso Compounds ◽  
X Ray ◽  
Single Crystal Structure Analysis

In the presence of Na2CO3, the conjugate addition between α-halogeno hydrazones and nitroso compounds proceeded readily, thus delivering multifunctionalized nitrones in the reasonable chemical yields with excellent strereoselectivities. The chemical structure and stereochemical configuration of title chemical entities were unambiguously identified by an X-ray single crystal structure analysis.

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