TY - JOUR
T1 - Crystal structure and thermal property of a binuclear manganese(II) sulfate complex with carbohydrazide
AU - Hong-Yan, Chen
AU - Tong-Lai, Zhang
AU - Jian-Guo, Zhang
AU - Kai-Bei, Yu
PY - 2005/12
Y1 - 2005/12
N2 - The binuclear manganese(II) complex of formula [Mn2(CHZ) 2(H2O)2(SO4)2] (CHZ = carbohydrazide) (1) has synthesized in aqueous solution and characterized by elemental analysis, IR, and single crystal X-ray diffraction. The compound 1 crystallizes in monoclinic system, space group P2(1)/n, a = 7.083(1) Å, b = 7.985(1) Å, c = 14.045(2) Å, β = 90.46(1)°, V = 794.42(16) Å3, Z = 2, R = 0.0308 with 1481 reflections. In the title complex, two Mn(II) cations are bonded via the bridging oxygen atoms into a centrosymmetric dimeric unit. The Mn(II) dimers are further extended into layers by means of the bridging sulfate groups. Each Mn atom in the complex is in bivalent state with a distorted pentagonal bipyramid configuration and has a N2O5 donor set which consists of two nitrogen atoms and five oxygen atoms provided by the ligands of two CHZ molecules, one water molecule, and two sulfate ions. The CHZ tridentate ligands are coordinated with adjacent Mn(II) cation via two terminal N atoms and the carbonyl O atom and sulfate anions act as bidentate bridge ligand. Four kinds of Mn(II) CHZ complex structures are compared. The thermal property of title complex was studied by using DSC and TG-DTG techniques. The results exhibit the title complex is highly stable.
AB - The binuclear manganese(II) complex of formula [Mn2(CHZ) 2(H2O)2(SO4)2] (CHZ = carbohydrazide) (1) has synthesized in aqueous solution and characterized by elemental analysis, IR, and single crystal X-ray diffraction. The compound 1 crystallizes in monoclinic system, space group P2(1)/n, a = 7.083(1) Å, b = 7.985(1) Å, c = 14.045(2) Å, β = 90.46(1)°, V = 794.42(16) Å3, Z = 2, R = 0.0308 with 1481 reflections. In the title complex, two Mn(II) cations are bonded via the bridging oxygen atoms into a centrosymmetric dimeric unit. The Mn(II) dimers are further extended into layers by means of the bridging sulfate groups. Each Mn atom in the complex is in bivalent state with a distorted pentagonal bipyramid configuration and has a N2O5 donor set which consists of two nitrogen atoms and five oxygen atoms provided by the ligands of two CHZ molecules, one water molecule, and two sulfate ions. The CHZ tridentate ligands are coordinated with adjacent Mn(II) cation via two terminal N atoms and the carbonyl O atom and sulfate anions act as bidentate bridge ligand. Four kinds of Mn(II) CHZ complex structures are compared. The thermal property of title complex was studied by using DSC and TG-DTG techniques. The results exhibit the title complex is highly stable.
KW - Carbohydrazide
KW - Crystal structure
KW - Manganese(II) complex
KW - Manganese(II) sulfate
KW - Thermal behavior
UR - http://www.scopus.com/inward/record.url?scp=29244478924&partnerID=8YFLogxK
U2 - 10.1007/s11224-005-8257-9
DO - 10.1007/s11224-005-8257-9
M3 - Article
AN - SCOPUS:29244478924
SN - 1040-0400
VL - 16
SP - 657
EP - 663
JO - Structural Chemistry
JF - Structural Chemistry
IS - 6
ER -