Solid dimorphism of tetra-arylcyclobutadienecobalt derivatives bearing long aliphatic lateral groups

H Yamanishi, I Tomita, K Ohta…

Index: Yamanishi, Hiroko; Tomita, Ikuyoshi; Ohta, Kazuchika; Endo, Takeshi Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, 2001 , vol. 369, p. 47 - 61

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Citation Number: 3

Abstract

Abstract A new series of disk-like cyclobutadienecobalt derivatives symmetrically substituted by lateral alkoxy groups with different chain lengths (− O (CH2) nCH3, n= 5, 6, 8, and 12) were prepared and their thermal phase transition behavior was studied in detail by optical measurements using crossed polarizers and differential scanning calorimetry (DSC). These cyclobutadienecobalt derivatives revealed dimorphism: two types of crystals K1 and K2 ( ...

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