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Synthesis, Structure Characterization and Biological Activity of a Novel Polyoxovanadate Cluster: [NH_3(CH_2)_2NH_2(CH_2)_2NH_3]_4·[V_6~VV_(12)~IVO_(42)(PO_4)](PO_4)·2H_2O

FU Ping-ping

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Abstract

A new polyoxovanadate cluster, [NH_3(CH_2)_2NH_2(CH_2)_2NH_3]_4[VⅤ_6VⅣ_ 12O_ 42(PO_4)](PO_4)·2H_2O, has been synthesized and characterized by means of elemental analysis, IR spectrometry, EPR spectrometry, TG analysis and single crystal X-ray diffraction. This compound crystallizes in a monoclinic space group C2/c with a= 2.3912(5) nm, b=1.3002(3) nm, c=2.0172(4) nm, β=105.75(3)°, V=6.036(2) nm3, Z=2, R_1=0.0572, wR_2=0.1476. It has a superKeggin structure with a Keggin unit capped by six [VO_5] moieties on the pits on every side of the Keggin unit. The anti-tumor activity of the compound was estimated in three human tumor cell lines in vitro.

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What this paper is about

A new polyoxovanadate cluster, [NH_3(CH_2)_2NH_2(CH_2)_2NH_3]_4[VⅤ_6VⅣ_ 12O_ 42(PO_4)](PO_4)·2H_2O, has been synthesized and characterized by means of elemental analysis, IR spectrometry, EPR spectrometry, TG analysis and single crystal X-ray diffraction. This compound crystallizes in a monoclinic space group C2/c with a= 2.3912(5) nm, b=1.3002(3) nm, c=2.0172(4) nm, β=105.75(3)°, V=6.036(2) nm3, Z=2, R_1=0.0572, wR_2=0.1476. It has a superKeggin structure with a Keggin unit capped by six [VO_5] moieties on the pits on every side of the Keggin unit. The anti-tumor activity of the compound was estimated in three human tumor cell lines in vitro.

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Available abstract

A new polyoxovanadate cluster, [NH_3(CH_2)_2NH_2(CH_2)_2NH_3]_4[VⅤ_6VⅣ_ 12O_ 42(PO_4)](PO_4)·2H_2O, has been synthesized and characterized by means of elemental analysis, IR spectrometry, EPR spectrometry, TG analysis and single crystal X-ray diffraction. This compound crystallizes in a monoclinic space group C2/c with a= 2.3912(5) nm, b=1.3002(3) nm, c=2.0172(4) nm, β=105.75(3)°, V=6.036(2) nm3, Z=2, R_1=0.0572, wR_2=0.1476. It has a superKeggin structure with a Keggin unit capped by six [VO_5] moieties on the pits on every side of the Keggin unit. The anti-tumor activity of the compound was estimated in three human tumor cell lines in vitro.

Key concepts: Monoclinic crystal system, Chemistry, Crystallography, Electron paramagnetic resonance, Crystal structure, Mass spectrometry, Cluster (spacecraft), Stereochemistry

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Synthesis, Structure Characterization and Biological Activity of a Novel Polyoxovanadate Cluster: [NH_3(CH_2)_2NH_2(CH_2)_2NH_3]_4·[V_6~VV_(12)~IVO_(42)(PO_4)](PO_4)·2H_2O — Research Paper | ScholarLens