Hydrothermal Synthesis of the First Vanadomolybdenum Polyoxocation with a “Metal-Bonded”...

2002 molybdenum, Mo molybdenum, Mo I 5600 46 - 022 Hydrothermal Synthesis of the First Vanadomolybdenum Polyoxoca- tion with a ”Metal-Bonded” Spherical Framework. — Dark violet crystals of [(V V O 4 )Mo VI 12 O 36 (V IV O) 6 ][(OH) 9 ]·11H 2 O are hydrothermally grown from a mixture of (NH 4 ) 2 MoS 4 , NH 4 VO 3 , NaOH, NH 2 OH·HCl in H 2 O (stainless steel reactor, 190 ◦ C, 25 h, 25% yield). Single crystal XRD reveals that the compound crystallizes in the tetragonal space group P4/mnc with Z = 2. Its structure contains a discrete six-capped Keggin-type [(V V O 4 )Mo VI 12 O 36 (V IV O) 6 ] 9+ polyoxocation, which is based on the well-known α-Keggin structure [XM 12 O 40 ] n- with six additional square-pyramidal terminal VO 2+ units. The compound represents the ﬁrst structurally characterized cationic polyox- ometalate. — (YANG, WENBIN; LU, CANZHONG; ZHAN, XIAOPING; ZHUANG, HONGHUI; Inorg. Chem. 41 (2002) 18, 4621-4623; State Key Lab. Struct. Chem., Fujian Inst. Res. Struct. Matter, Chin. Acad. Sci., Fuzhou 350002, Peop. Rep. China; EN) 1

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Transcript of Hydrothermal Synthesis of the First Vanadomolybdenum Polyoxocation with a “Metal-Bonded”...

Page 1: Hydrothermal Synthesis of the First Vanadomolybdenum Polyoxocation with a “Metal-Bonded” Spherical Framework.

2002 molybdenum, Mo

molybdenum, MoI 5600

46 - 022Hydrothermal Synthesis of the First Vanadomolybdenum Polyoxoca-tion with a ”Metal-Bonded” Spherical Framework. — Dark violetcrystals of [(VV O4)MoV I

12O36 (VIV O)6][(OH)9]·11H2O are hydrothermallygrown from a mixture of (NH4)2MoS4, NH4VO3, NaOH, NH2OH·HCl in H2O(stainless steel reactor, 190 ◦C, 25 h, 25% yield). Single crystal XRD reveals thatthe compound crystallizes in the tetragonal space group P4/mnc with Z = 2.Its structure contains a discrete six-capped Keggin-type [(VV O4)MoV I

12O36

(VIV O)6]9+ polyoxocation, which is based on the well-known α-Keggin struc-ture [XM12O40]n− with six additional square-pyramidal terminal VO2+ units.The compound represents the first structurally characterized cationic polyox-ometalate. — (YANG, WENBIN; LU, CANZHONG; ZHAN, XIAOPING;ZHUANG, HONGHUI; Inorg. Chem. 41 (2002) 18, 4621-4623; State Key Lab.Struct. Chem., Fujian Inst. Res. Struct. Matter, Chin. Acad. Sci., Fuzhou350002, Peop. Rep. China; EN)