Zero in-plane thermal expansion in guest-tunable 2D coordination polymers

Ohtani, Ryo, Grosjean, Arnaud, Ishikawa, Ryuta, Yamamoto, Riho, Nakamura, Masaaki, Clegg, Jack K. and Hayami, Shinya (2017) Zero in-plane thermal expansion in guest-tunable 2D coordination polymers. Inorganic Chemistry, 56 11: 6225-6233. doi:10.1021/acs.inorgchem.7b00282


Author Ohtani, Ryo
Grosjean, Arnaud
Ishikawa, Ryuta
Yamamoto, Riho
Nakamura, Masaaki
Clegg, Jack K.
Hayami, Shinya
Title Zero in-plane thermal expansion in guest-tunable 2D coordination polymers
Journal name Inorganic Chemistry   Check publisher's open access policy
ISSN 1520-510X
0020-1669
Publication date 2017-05-11
Year available 2017
Sub-type Article (original research)
DOI 10.1021/acs.inorgchem.7b00282
Open Access Status Not yet assessed
Volume 56
Issue 11
Start page 6225
End page 6233
Total pages 9
Place of publication Washington, DC, United States
Publisher American Chemical Society
Language eng
Subject 1606 Physical and Theoretical Chemistry
1604 Inorganic Chemistry
Abstract Zero in-plane thermal expansion (TE) in a two-dimensional (2D) coordination polymer is demonstrated. The combination of components that expand and those that shrink into zigzag layers results in no net area change in the 2D materials with temperature. Single crystals of [Mn(salen)][Mn(N)(CN)(guest)] (salen = N,N′-ethylenebis(salicylideneaminato), guest = MeOH and MeCN) were prepared, and variable-temperature single-crystal X-ray structural analyses demonstrated that these compounds exhibited both anisotropic positive and negative thermal expansion depending on the guest species. The TE behavior results from distortions of the octahedral coordination geometry of [Mn(salen)] units in the zigzag layers. When both guests MeOH and MeCN were incorporated into one material, [Mn(salen)][Mn(N)(CN)(MeOH)(MeCN)], zero in-plane TE resulted in a range of temperature between 380 and 440 K.
Formatted abstract
Zero in-plane thermal expansion (TE) in a two-dimensional (2D) coordination polymer is demonstrated. The combination of components that expand and those that shrink into zigzag layers results in no net area change in the 2D materials with temperature. Single crystals of [Mn(salen)]2[Mn(N)(CN)4(guest)] (salen = N,N′-ethylenebis(salicylideneaminato), guest = MeOH and MeCN) were prepared, and variable-temperature single-crystal X-ray structural analyses demonstrated that these compounds exhibited both anisotropic positive and negative thermal expansion depending on the guest species. The TE behavior results from distortions of the octahedral coordination geometry of [Mn(salen)]+ units in the zigzag layers. When both guests MeOH and MeCN were incorporated into one material, [Mn(salen)]2[Mn(N)(CN)4(MeOH)0.25(MeCN)0.75], zero in-plane TE resulted in a range of temperature between 380 and 440 K.
Q-Index Code C1
Q-Index Status Provisional Code
Grant ID JP15K17833
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
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Created: Fri, 19 May 2017, 12:39:17 EST by Mrs Louise Nimwegen on behalf of School of Chemistry & Molecular Biosciences