高钒酰

高钒酰(VO2+)是(V)的淡黄色[1]氧合阳离子。它是pH值介于0和2之间的酸性溶液中钒(V)的主要存在形式,其盐是通过在此类溶液中氧化钒(V)的质子化形成的:[2][3]

V
2
O
5
+ 2 H+
→ 2 VO+
2
+ H
2
O (K = 3.42×10−2)
从左到右:VO+
2
VO2+V3+、和V2+在水溶液中。
高钒酰
识别
CAS号 18252-79-4  checkY
SMILES
 
  • O=[V+]=O
性质
化学式 O2V
摩尔质量 82.94 g·mol−1
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

该离子可以与单个氨基多羧酸盐配体[4]或与三齿席夫碱配体形成络合物。[5]

VO+
2
/VO2+氧化还原电对用于钒氧化还原电池的阴极。[6]这对电偶的标准还原电位为 +1.00 V。[7]

参考文献

  1. Kustin, Kenneth; Macara, Ian G. . Comments on Inorganic Chemistry. November 1982, 2 (1–2): 1–22. doi:10.1080/02603598208078107.
  2. Bard, Allen J. 1st. New York: CRC Press. 1985. ISBN 9781351414746.
  3. LaSalle, M. J.; Cobble, James W. . The Journal of Physical Chemistry. June 1955, 59 (6): 519–524. doi:10.1021/j150528a010.
  4. Yamada, Shinkichi.; Ukei, Yuko.; Tanaka, Motoharu. . Inorganic Chemistry. April 1976, 15 (4): 964–967. doi:10.1021/ic50158a048.
  5. Pal, Satyanarayan; Pal, Samudranil. . Journal of Chemical Crystallography. 2000, 30 (5): 329–333. S2CID 91300997. doi:10.1023/A:1009561224540.
  6. Jin, Jutao; Fu, Xiaogang; Liu, Qiao; Liu, Yanru; Wei, Zhiyang; Niu, Kexing; Zhang, Junyan. . ACS Nano. 25 June 2013, 7 (6): 4764–4773. PMID 23647240. doi:10.1021/nn3046709.
  7. Cotton, F. Albert; Wilkinson, Geoffrey; Murillo, Carlos A.; Bochmann, Manfred, 6th, New York: Wiley-Interscience, 1999, ISBN 0-471-19957-5
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.