Polymers 2011, 3(4), 1652-1661; doi:10.3390/polym3041652
Article

Novel Countercation in MMX-Type Mixed-Valence Chain Compound: Coexistence of Neutral and Protonated Amino Substituents

Hiroaki Iguchi 1,* email, Deli Jiang 2 email, Jimin Xie 2 email, Shinya Takaishi 1 email and Masahiro Yamashita 1,* email
1 Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan 2 School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
* Authors to whom correspondence should be addressed.
Received: 2 August 2011; in revised form: 7 September 2011 / Accepted: 27 September 2011 / Published: 6 October 2011
(This article belongs to the Special Issue Coordination Polymers)
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Abstract: The first MMX-type quasi-one-dimensional (Q1D) Pt chain complex (MMX chain) that contains a mono-protonated diamine as countercation, {o-(H3NC6H4NH2)}4[Pt2(pop)4I]·H2O (pop = P2H2O52–), was synthesized. According to the crystal structural analysis, –NH2 group was hydrogen-bonded to either lattice H2O molecule or –NH3+ group in addition to typical hydrogen bond between –NH3+ group and pop ligand. To control the partial deprotonation of the countercation will be an important method for achieving the high-conductive MMX-chain polymer by the hole doping.
Keywords: MMX-chain complex; 1D structure; partial deprotonation; hydrogen bond

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MDPI and ACS Style

Iguchi, H.; Jiang, D.; Xie, J.; Takaishi, S.; Yamashita, M. Novel Countercation in MMX-Type Mixed-Valence Chain Compound: Coexistence of Neutral and Protonated Amino Substituents. Polymers 2011, 3, 1652-1661.

AMA Style

Iguchi H, Jiang D, Xie J, Takaishi S, Yamashita M. Novel Countercation in MMX-Type Mixed-Valence Chain Compound: Coexistence of Neutral and Protonated Amino Substituents. Polymers. 2011; 3(4):1652-1661.

Chicago/Turabian Style

Iguchi, Hiroaki; Jiang, Deli; Xie, Jimin; Takaishi, Shinya; Yamashita, Masahiro. 2011. "Novel Countercation in MMX-Type Mixed-Valence Chain Compound: Coexistence of Neutral and Protonated Amino Substituents." Polymers 3, no. 4: 1652-1661.

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