INFRARED-LASER SPECTROSCOPY OF JET-COOLED CARBON CLUSTERS - STRUCTURE OF TRIPLET C6

被引：55
|
作者：
HWANG, HJ
VANORDEN, A
TANAKA, K
KUO, EW
HEATH, JR
SAYKALLY, RJ
机构：
[1] Department of Chemistry, University of California, Berkeley, CA
来源：
MOLECULAR PHYSICS | 1993年 / 79卷 / 04期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1080/00268979300101611
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report the first structural characterization of the triplet isomer of C6. Forty-one rovibrational/fine structure transitions in the nu4(sigma(u)) antisymmetric stretch fundamental of the C6 cluster have been measured by diode laser absorption spectroscopy of a supersonic carbon cluster beam. The observed spectrum is characteristic of a centrosymmetric linear triplet state with cumulene-type bonding. The measured ground state rotational constant B0 = 0.048 479 (10) cm-1 and the effective bond length r(eff) = 1.2868 (1) angstrom are in good agreement with ab initio predictions for the linear triplet (3SIGMA(g)-) state of C6.
引用
收藏
页码：769 / 776
页数：8
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