1,2,3,4-Tetra-O-acetyl-β-D-arabinopyranose:: a neutron refinement and comparison with X-ray refinement

被引：0
|
作者：
James, VJ
Moore, FH
Stevens, JD [1 ]
机构：
[1] Univ New S Wales, Sch Chem, Sydney, NSW 2052, Australia
[2] Australian Inst Nucl Sci & Engn, Lucas Heights, NSW 2322, Australia
[3] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 2002年 / 55卷 / 1-2期
关键词：
D O I：
10.1071/CH01185
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A neutron diffraction study of 1,2, 3,4-tetra-O-acetyl-beta-D-arabinopyranose, C13H18O9, has been carried out. Space group P2(1); Z 2; a 10.0779(5), b 9.0228(5), c 8.9659(5) Angstrom and beta 101. 965(5)degrees. Full-matrix least squares refinements varying anisotropic parameters for all atoms have led to a discrepancy value over all data of 0.058 and R-w 0.054. This structure gives a precise determination of position and thermal motion parameters for all hydrogen atoms. The neutron diffraction results agree well with the X-ray results for non-hydrogen positional and thermal parameters.
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页数：4
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