Zero area thermal expansion of honeycomb layers via double distortion relaxation in (PPh4)[Cu2(CN)3]. Issue 33 (28th July 2022)

• Record Type: Journal Article
• Authors: Iwai, Yuudai; Nakaya, Manabu; Ohtsu, Hiroyoshi; Le Ouay, Benjamin; Ohtani, Ryo; Ohba, Masaaki
• Is Part Of: CrystEngComm. Volume 24:Issue 33(2022)
• Page Start: 5880
• Page End: 5884
• Publication Date: 2022-07-28
• Subjects: Crystals -- Periodicals; Crystal growth -- Periodicals; Crystallography -- Periodicals; Cristaux -- Périodiques; Cristaux -- Croissance -- Périodiques; Cristallographie -- Périodiques; 548
• DOI: 10.1039/d2ce00878e
• Languages: English
• ISSNs: 1466-8033

Abstract

Abstract : The zero area TE of cyanide-bridged honeycomb layers occurs by complementary structural changes in the cation and anion counterparts. Abstract : The zero area thermal expansion (TE) of a cyanide-bridged honeycomb layer was demonstrated by (PPh4 )[Cu2 (CN)3 ] (PPh4 + = tetraphenyl phosphonium) via double distortion relaxation. This characteristic TE behaviour involves in-plane anisotropy of the distorted layer with positive and negative TE. The conformation change in distorted PPh4 + tetrahedrons also occurred between the layers. This was coupled with the anisotropic TE of the layers in accordance with complementary structural changes in the cation and anion counterparts.