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Alkoxide bridged Copper(II) Hinokitiolato and Tropolonato Complexes: Polymorphism, Reconstructive Phase Transition, and Magnetic Properties

Silvia Schnitzler, Kevin Lamberts, Manfred Speldrich, Paul Kögerler, more

Zeitschrift für anorganische und allgemeine Chemie > 642 > 3 > 222 - 230

Polymorphism and an unexpected reconstructive phase transition in [Cu(trop)(μ‐OMe)]₂ (trop = tropolonate) were studied by single crystal and powder X‐ray diffraction; the phase transition is associated with a huge hysteresis of ca. 200 °C. In the readily reproducible crystal form, the methoxide‐bridged dinuclear subunits aggregate to infinite chains by longer bonds in the Jahn‐Teller distorted coordination...

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Stereochemistry of six-coordinated silicon complexes V. Racemization and geometrical isomerization of tris(4-isopropyltropolonato)silicon(IV)

Shunryo Azuma, Masaaki Kojima, Yuzo Yoshikawa

Inorganica Chimica Acta > 1998 > 271 > 1-2 > 24-28

The six-coordinated octahedral silicon(IV) complex [Si(ht) ₃ ] ⁺ , where ht denotes the unsymmetrical didentate 4-isopropyltropolonate(1-) (=hinokitiolate(1-), C ₁ ₀ H ₁ ₁ O ₂ ) ligand, was prepared. The complex was resolved partially by fractional crystallization of the diastereomer with d-tartratoantimonate(III), [Sb ₂ (d-tart) ₂ ]...

article

Electronic transitions and electronic structure of bis(tropolonato)copper(II)

Miki Hasegawa, Yoshihiro Inomaki, Tomoko Inayoshi, Toshihiko Hoshi, more

Inorganica Chimica Acta > 1997 > 257 > 2 > 259-264

The electronic structure of bis(tropolonato)copper(II) (abbreviated to troCu(II)) has been investigated by use of a polarized electronic absorption spectrum in the stretched PVA film together with unpolarized spectra in fluid and rigid media. Comparison of the polarized absorption spectrum and MO calculations shows that troCu(II) takes a transoid structure in the PVA film. The complex troCu(II)...

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Alkoxide bridged Copper(II) Hinokitiolato and Tropolonato Complexes: Polymorphism, Reconstructive Phase Transition, and Magnetic Properties

Stereochemistry of six-coordinated silicon complexes V. Racemization and geometrical isomerization of tris(4-isopropyltropolonato)silicon(IV)

Electronic transitions and electronic structure of bis(tropolonato)copper(II)

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Alkoxide bridged Copper(II) Hinokitiolato and Tropolonato Complexes: Polymorphism, Reconstructive Phase Transition, and Magnetic Properties

Stereochemistry of six-coordinated silicon complexes V. Racemization and geometrical isomerization of tris(4-isopropyltropolonato)silicon(IV)

Electronic transitions and electronic structure of bis(tropolonato)copper(II)

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