Tetrakis(acetonitrile)copper(I) tetrafluoroborate

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Tetrakis(acetonitrile)copper(I) tetrafluoroborate
Tetrakis acetonitril copper tetrafluoroborate.svg
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 672-614-2
PubChem CID
  • InChI=1S/4C2H3N.BF4.Cu/c4*1-2-3;2-1(3,4)5;/h4*1H3;;/q;;;;-1;+1
    Key: YZGSKMIIVMCEFE-UHFFFAOYSA-N
  • [B-](F)(F)(F)F.CC#N.CC#N.CC#N.CC#N.[Cu+]
Properties
C8H12BCuF4N4
Molar mass 314.56 g·mol −1
Hazards
GHS labelling:
GHS-pictogram-acid.svg
Danger
H314
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Tetrakis(acetonitrile)copper(I) tetrafluoroborate is a complex compound of copper with acetonitrile as the ligand and tetrafluoroborate as the counterion.

Contents

Preparation

Tetrakis(acetonitrile)copper(I) tetrafluoroborate can be prepared starting from nitrosyl tetrafluoroborate, which is obtained from dinitrogen tetroxide and tetrafluoroboric acid. The nitrosyl salt is then reacted with metallic copper in acetonitrile, initially producing a green-blue copper(II) complex. This complex is reduced to the copper(I) complex by further reaction with metallic copper. By boiling with additional copper powder until decolorization, the copper(I) complex is obtained. [1]

Properties

Tetrakis(acetonitrile)copper(I) tetrafluoroborate forms colorless crystals in the orthorhombic crystal system in the space group Pna21 with the lattice parameters a = 23.882 Å; b = 8.3285 Å; c = 20.338 Å, and twelve unit cells. The compound is isomorphous with tetrakis(acetonitrile)copper(I) perchlorate and tetrakis(acetonitrile)silver(I) perchlorate. [2]

Use

Tetrakis(acetonitrile)copper(I) tetrafluoroborate can be reacted with methoxyisobutyl isonitrile to produce Tetrakis(methoxyisobutyl isonitrile)copper(I) tetrafluoroborate. [3] This compound is used to produce technetium(99mTc)-sestamibi. [4]

See also

References

  1. ↑ B. J. Hathaway, D. G. Holah, J. D. Postlethwaite (1961), "630. The preparation and properties of some tetrakis(methylcyanide)copper(I) complexes", Journal of the Chemical Society (Resumed), p. 3215, doi:10.1039/jr9610003215 {{citation}}: CS1 maint: multiple names: authors list (link)
  2. ↑ P. G. Jones, O. Crespo (1998-01-15), "Tetrakis(acetonitrile- N )copper(I) Tetrafluoroborate", Acta Crystallographica Section C Crystal Structure Communications, vol. 54, no. 1, pp. 18–20, Bibcode:1998AcCrC..54...18J, doi:10.1107/S0108270197013322
  3. ↑ Te-Wei Lee, Chang-Shinn Su, Gann Ting (February 1996), "Synthesis, reactivity and 99mTc labelling of 2-alkoxyisobutylisonitrile", Applied Radiation and Isotopes, vol. 47, no. 2, pp. 207–210, doi:10.1016/0969-8043(95)00249-9 {{citation}}: CS1 maint: multiple names: authors list (link)
  4. ↑ M. E. Wilson, J. C. Hung, R. J. Gibbons (July 1993), "An alternative method for rapid preparation of 99Tcm-sestamibi", Nuclear Medicine Communications, vol. 14, no. 1, pp. 544–549, doi:10.1097/00006231-199307000-00005 {{citation}}: CS1 maint: multiple names: authors list (link)
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