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Citation: Yin Ye-Gao, Zhang ng-Qi, Huang Yong-De. Crystal Structure and Properties of Mononuclear Mn(III)-Schiff Base Complexes[J]. Acta Physico-Chimica Sinica, ;1998, 14(10): 881-886. doi: 10.3866/PKU.WHXB19981005 shu

Crystal Structure and Properties of Mononuclear Mn(III)-Schiff Base Complexes

1.
Department of Chemistry,Jingzhou Techers College,Jingzhou,Hubei 434100

Received Date: 24 January 1998
Available Online: 15 October 1998

This work reports the syntheses, crystal structures and properties of two mononuclear Mn(Ⅲ)-Schiff base complexes, [Mn(Ⅲ)(L1)(H2O)]ClO4•2H2O 1 and [Mn(Ⅲ)(L2)]ClO4•2H2O 2. X-ray crystallographical structure analysis confirms that the crystal of 1 belongs to the orthorhombic crystal system and Pna21 space group. Its cell parameters areα=10.932(7) Å, b=22.393(5) Å, c= 8.960(3) Å, V= 2193(1) Å 3, Z=4. Crystal of 2 belongs to the same crystal system and P212121 space group. Its cell parameters areα= 17.345(3) Å, b= 17.905(2) Å, c= 7.789(1) Å, V= 2418.9(6) Å 3, Z= 4. Electrochemical measurements show that complex 2 is a more stable electrochemical product and complex 1is more sensitive to the external electric field, by which the coordmation environment is confirmed to be a decisive factor m the determination of the stability of compound.
- Manganese(III) complexes,
- Schiff base,
- Electrochemistry
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