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The compound Ni2Nb2Te4 crystallizes in orthorhombic system,space group Pma2 with cell dimensions a = 7.955(1),b=6.258(1),c=7.202(2)A,and Z=2.X-ray structural determination showed the non-molecular 2-dimensional character of the title compound. In each structural unit, the two Ni and two Nb atoms form a rhombic plane with four Ni-Nb bonds (average 2.675 A) and one Ni-Ni bond (2.536 A) and there exists no Nb-Nb interaction. The distorted tetrahedral coordination of each metal atom is completed by four Te atoms. The average distances are 2.799A for Nb-Te bonds and 2.560A for Ni-Te bonds.
The compound Ni2Nb2Te4 crystallizes in orthorhombic system, space group Pma2 with cell dimensions a = 7.955 (1), b = 6.258 (1), c = 7.202 (2) A and Z = molecular 2-dimensional character of the title compound. In each structural unit, the two Ni and two Nb atoms form a rhombic plane with four Ni-Nb bonds (average 2.675 A) and one Ni-Ni bond (2.536 A) and there exists no Nb-Nb interaction. The distorted tetrahedral coordination of each metal atom is completed by four Te atoms. The average distances are 2.799A for Nb-Te bonds and 2.560A for Ni-Te bonds.