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Hexacyanodiazahexadiene (Hcdah) Dianion as a Component of Conducting Complexes

Published online by Cambridge University Press:  10 February 2011

Hideki Yamochi ,
Kiyohiko Tsutsumi ,
Takeshi Kawasaki  and
Gunzi Saito
Hideki Yamochi
Affiliation:
Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-0 1, JAPAN, yamochi@kuchem.kyoto-u.ac.jp CREST, Japan Science and Technology Corporation (JST)
Kiyohiko Tsutsumi
Affiliation:
Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-0 1, JAPAN, yamochi@kuchem.kyoto-u.ac.jp
Takeshi Kawasaki
Affiliation:
Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-0 1, JAPAN, yamochi@kuchem.kyoto-u.ac.jp
Gunzi Saito
Affiliation:
Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-0 1, JAPAN, yamochi@kuchem.kyoto-u.ac.jp
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Abstract

In the course of the preparation of conductive molecular crystals using ‘percyano anions’, the molecular structure of HCDAH2- was revealed to be a planar geometry having a long diagonal line (≈ 10.4 Å). In (TTF)2(HCDAH)(CH3CN) [block-shaped TTF complex] (triclinic, P1, a = 8.258(5), b = 9.572(6), c= 10.070(4) Å, α = 89.89(5), β = 70.76(4), γ = 80.76(5)°, V = 740.7(7) Å3, Z = 2, final R-value = 0.074), the face-to-face type overlap between the side-byside arranged HCDAH dianions was observed. The donor packing pattern in (BEDOTTF) 6(HCDAH) (monoclinic, P21/a, a = 20.243(3), b = 4.086(1), c = 16.820(4) Å, b = 99.45(1)°, V = 1372.4(5) Å3, Z = 2/3, final R-value = 0.048) was determined to be HCP-type which is the second example in BEDO-TTF complexes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 488: Symposium J – Electrical, Optical & Magnetic Properties of Organic IV , 1997 , 641
Copyright
Copyright © Materials Research Society 1998

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