MOLECULAR-MECHANICS CALCULATION ON OLIGOMERS OF TERT-BUTYL ISOCYANIDE

被引:0
|
作者
HUIGE, CJM [1 ]
HEZEMANS, AMF [1 ]
NOLTE, RJM [1 ]
DRENTH, W [1 ]
机构
[1] UNIV UTRECHT,DEPT ORGAN CHEM,UTRECHT,NETHERLANDS
关键词
ATROPISOMERISM; HELICAL POLYMERS; POLY(IMINOMETHYLENES);
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The consistent force-field method developed by Niketic and Rasmussen was applied in molecular-mechanics calculations on the hexamer and hexadecamer of tert-butyl isocyanide, [(CH3)3C-N = C < ]n, n = 6 and 16. Due to the limitations of the computer programme, calculations on the latter oligomer required a united atom approximation for the methyl groups. From the results, it is concluded that a compact helical conformation with a backbone torsional angle of 78.6-degrees and 3.76 units per turn is the energetically most favourable state of these oligomers.
引用
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页码:33 / 37
页数:5
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