STRUCTURE AND OPTICAL-PROPERTIES OF THERMOCHROMIC SCHIFF-BASES - CHARGE-TRANSFER INTERACTION AND PROTON-TRANSFER IN THE N-TETRACHLOROSALICYLIDENEANILINE AND N-TETRACHLOROSALICYLIDENE-1-PYRENYLAMINE CRYSTALS

被引:65
作者
INABE, T [1 ]
GAUTIERLUNEAU, I [1 ]
HOSHINO, N [1 ]
OKANIWA, K [1 ]
OKAMOTO, H [1 ]
MITANI, T [1 ]
NAGASHIMA, U [1 ]
MARUYAMA, Y [1 ]
机构
[1] GRAD UNIV ADV STUDIES, INST MOLEC SCI, OKAZAKI 444, JAPAN
关键词
D O I
10.1246/bcsj.64.801
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two kinds of N-salicylideneaniline derivatives, N-tetrachlorosalicylideneaniline (CL4SA) and N-tetrachlorosalicylidene-1-pyrenylamine (CL4SPY), have been prepared and subjected to structural and optical studies in the crystalline state. A thermochromic-type behavior of the former crystal has been observed as a shift of the absorption edge, while that of the latter crystal is much less pronounced. Fairly short O-H...N hydrogen bonds have been found in both compounds through crystallographic studies, which may be mainly due to a steric effect of chlorine substituents. The difference in the proton transfer behavior of CL4SA and CL4SPY should presumably be caused by an intermolecular charge-transfer interaction in the latter crystal.
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页码:801 / 810
页数:10
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