1
|
Kizaki K, Uehara M, Fuyuhiro A, Fukuda T, Ishikawa N. Synthesis of a Series of Monophthalocyaninato Cyclen Heavy Lanthanide(III) Complexes with Tetragonal Symmetry. Inorg Chem 2017; 57:668-675. [DOI: 10.1021/acs.inorgchem.7b02505] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kazuro Kizaki
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Motoshi Uehara
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Akira Fuyuhiro
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Takamitsu Fukuda
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Naoto Ishikawa
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| |
Collapse
|
2
|
Strukturverfeinerung von Harnstoff mit Neutronenbeugungsdaten bei 60, 123 und 293 K und X–N- und X–X(1s2)-Synthesen bei etwa 100 K. Z KRIST-CRYST MATER 2010. [DOI: 10.1524/zkri.1980.153.3-4.237] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract
Neutron diffraction data were collected on urea at 60, 123 and 293 K, and the nuclear parameters were determined [R (F) = 0.034,0.033 and 0.043 respectively]. The parameters at 293 K are compared with the neutron parameters of Pryor and Sanger by means of half normal plots and χ
2 tests, and the low-temperature parameters with the 1s2-core parameters which were determined by Mullen and Hellner with X-ray data. Significant differences of 0.0030 Å, on average, were found between the U
33 components from our low-temperature determination and from the 1s2-core refinement. X – N and X – X(1s2) maps are calculated for about 100 K with two different scale factors and, after an assessment of all parameters, a “best” experimental deformation density is calculated. The effect of large librations of the N atom about the C–O axis (4.2rms degrees) on the density distribution, and the effect of using not fully correct phases are discussed. The errors in the density distribution which are caused by errors in the X-ray data, in the scale factor and in the neutron parameters, are assessed to be 0.07 eÅ−3 at the bond peaks, and 0.45 eÅ−3 at the nuclear positions. The ‘best” experimental deformation density has higher bond peaks (except for the C–O bond) than a (published) theoretical difference density (4-31G basis), but lower peaks in the lone-pair regions of the oxygen atom and no polarization minimum at the oxygen atom.
Collapse
|
3
|
|
4
|
Gao Q, Craven BM. Conformation of the oleate chains in crystals of cholesteryl oleate at 123 K. J Lipid Res 1990. [DOI: 10.1016/s0022-2275(20)38757-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
|
5
|
Srivastava RC, Craven BM. Crystal structure of form II of cholesteryl palmitelaidate at 295 K. J Lipid Res 1989. [DOI: 10.1016/s0022-2275(20)38315-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|
6
|
Cho SI, Craven BM. Commensurate molecules in isostructural crystals of cholesteryl cis- and trans-9-hexadecenoate. J Lipid Res 1986. [DOI: 10.1016/s0022-2275(20)38734-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|
7
|
Ohms U, Guth H, Treutmann W, Dannöhl H, Schweig A, Heger G. Crystal structure and charge density of 4‐methylpyridine (C6H7N) at 120 K. J Chem Phys 1985. [DOI: 10.1063/1.449820] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
8
|
Tsirelson VG, Yu. Antipin M, Gerr RG, Ozerov RP, Struchkov YT. Ruby structure peculiarities derived from X-ray diffraction data localization of chromium atoms and electron deformation density. ACTA ACUST UNITED AC 1985. [DOI: 10.1002/pssa.2210870204] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
9
|
Conformational changes of cholesteryl palmitoleate in the crystal structure at low temperature. J Lipid Res 1984. [DOI: 10.1016/s0022-2275(20)37750-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
|
10
|
Sawzik P, Craven BM. Conformation and packing of unsaturated chains in crystals of cholesteryl nervonate at 123 K. J Lipid Res 1984. [DOI: 10.1016/s0022-2275(20)37749-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
|
11
|
Craven BM, Sawzik P. Conformation and packing of unsaturated chains in cholesteryl linolelaidate at 123 K. J Lipid Res 1983. [DOI: 10.1016/s0022-2275(20)37952-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
|