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Molecular Second-Order Optical Nonlinearity of Push-Pull Bisdithiolene Nickel Complexes

Published online by Cambridge University Press:  10 February 2011

Chin-Ti Chen,
Sish-Yuan Liao,
Kuan-Jiuh Lin and
Long-Li Lai
Chin-Ti Chen
Affiliation:
Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529
Sish-Yuan Liao
Affiliation:
Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529
Kuan-Jiuh Lin
Affiliation:
Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529
Long-Li Lai
Affiliation:
Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529
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Abstract

The synthesis and characterization of donor-acceptor substituted unsymmetrical bisdithiolene nickel complexes are described for the first time. X-ray single crystal data indicate that the complexes exist with two types of bonding structures, namely, the π-localized and π-delocalized structures. The relation between bonding structures and the molecular second-order nonlinear optical properties, i.e., solvatochromism, dipole moment, and molecular first hyperpolarizability is discussed.

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