Raman spectroscopic and X-ray diffraction study of Na2Se·9(H, D)2O and comparison between OH(D)…︁Se and OH(D)…︁S hydrogen bonds

1986 ◽  
Vol 17 (1) ◽  
pp. 75-78 ◽  
Author(s):  
J. Derkosch ◽  
W. Mikenda ◽  
O. Baumgartner ◽  
K. Mereiter ◽  
A. Preisinger
2011 ◽  
Vol 34 (5-6) ◽  
pp. 127-130 ◽  
Author(s):  
Yaya Sow ◽  
Libasse Diop ◽  
Kieran C. Molloy ◽  
Gabrielle Kociok-Köhn

Abstract The title compounds [R2NH2][C2O4SnMe3](R=i-Bu, Cy), in which tin atoms adopt a distorted trigonal bipyramidal configuration, have been prepared and submitted to an X-ray diffraction study. These compounds have been obtained from the reaction of (Cy2NH2)2C2O4·H2O or (i-Bu2NH2)2C2O4 with SnMe3Cl. In both [R2NH2][C2O4SnMe3] compounds, the trans complex has an almost regular trigonal bipyramidal geometry around the tin atom. The SnMe3 residues are connected as a chain with bridging oxalate anions in a trans-SnC3O2 framework, the oxygen atoms being in axial positions. The cations connect linear adjacent chains through NH…O hydrogen bonds giving layered structures.


1988 ◽  
Vol 37 (1) ◽  
pp. 664-667 ◽  
Author(s):  
A. Jayaraman ◽  
G. A. Kourouklis ◽  
R. M. Fleming ◽  
L. G. Van Uitert

1992 ◽  
Vol 31 (Part 1, No. 4) ◽  
pp. 1078-1084 ◽  
Author(s):  
Kiyofumi Nagata ◽  
Takashi Nishio ◽  
Hironori Taguchi ◽  
Yasuhiko Miyamoto

2015 ◽  
Vol 46 (2) ◽  
pp. 236-243 ◽  
Author(s):  
Zdeňka Čermáková ◽  
Petr Bezdička ◽  
Ivan Němec ◽  
Janka Hradilová ◽  
Vladimír Šrein ◽  
...  

1996 ◽  
Vol 59 (1-3) ◽  
pp. 39-60 ◽  
Author(s):  
H. W. Meyer ◽  
Ming Zhang ◽  
U. Bismayer ◽  
E. K. H. Salje ◽  
C. Schmidt ◽  
...  

1986 ◽  
Vol 64 (9) ◽  
pp. 1850-1854 ◽  
Author(s):  
A. Koll ◽  
M. Rospenk ◽  
L. Sobczyk ◽  
T. Glowiak

The crystals of 2-(N,N-diethylamino-N-oxymethyl)-4,6-dichlorophenol chosen as a representative of the Mannich base N-oxides were found to be monoclinic, P21/c space group, with a = 11.729(3), b = 16.232(4), c = 13.689(3) Å, β = 107.37(3)°, and Z = 8. The structure solved by the direct method was refined to R = 0.033 for 3170 independent reflections. Two slightly different molecules denoted as A and B in the unit cell with very short (2.42 and 2.40 Å) OHO intramolecular hydrogen bonds were detected. Both a X-ray diffraction study and the ir and uv spectra indicate a symmetric type of bridge in this compound.


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