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Abstract:
Three Cd coordination polymers with 2,3-pyrazinedicarboxylic acid (pzdc) and N-donor ligand, {[Cd(pzdc) (2,2'-bpy)]·H 2O} n (1), {[Cd(pzdc)(2,2'-bpy)]·2H 2O} n (2) and {[Cd(pzdc) (H 2O) 2]·2H 2O} n (3), have been synthesized and characterized. Complex 1 crystallizes in monoclinic, space group P2 1/c with a= 1.082 47(8) nm, b=1.443 01(9) nm, c=1.025 87(7) nm, β=98.433(3)°, V=1.585 10(19) nm 3; complex 2 belongs to monoclinic, space group P2 1/n with a=1.171 9(5) nm, b = 1.191 8(4) nm, c=1.359 5(6) nm, β=l 10.474(17)°, V=1.778 9(13) nm 3; complex 3 crystallizes in monoclinic, space group P2 1/c with a=0.669 54(3) nm, b=0.773 24(3) nm, c=2.070 60(12) nm, β=93.050 4(16)°, V=1.070 46(9) nm 3. The X-ray diffraction structure analysis indicates that the pzdc ligand in these complexes is coordinated to three Cd atoms through its four donors, forming a (4,8 2) net 2D network structure in 1 and 2, while obtaining a ID chain and hydrogen bonding 3D structure in 3. Complexes 1 and 3 both exhibit photoluminescent emissions at 415 nm (λ ex=313 nm).
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Chinese Journal of Inorganic Chemistry
ISSN: 1001-4861
Year: 2009
Issue: 5
Volume: 25
Page: 893-899
0 . 6 0 6
JCR@2009
0 . 8 0 0
JCR@2023
JCR Journal Grade:4
CAS Journal Grade:1
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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