New organic metal containing mixed donors: (ET)(MT)2(BF 4)(THF)

Dong Youn Noh, Sung Won Han, Ha Jin Lee, Dongwoon Jung, Woun Kang

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

Single crystals of new organic metal, (ET)MT)2(BF 4)(THF). were electrochemically grown in an H-type cell. In the X-ray crystal structure, ET and MT donors together form a layer in ac-plane, which is stacking along b-axis alternatively with the layer formed by BF 4- and THF. Within the mixed-donor layer, MT molecules (stacking along a-axis) and ET molecules (arranged side-by-side) are almost perpendicular each other with their long in-plane molecular axes being along b-axis. ET and MT molecules within a layer are closely connected by short S . . . S interactions (3.226-3.694 Å) and achieve the2D S . . . S network. Band electronic structure calculations on this complex show that it is a 2D metal at r.t. Bands are more dispersive along the a-axis which means that electrical conductivity is possibly better along this direction. However, the Fermi surface nesting which arises in many low dimensional metals, was not found.

Bibliographical note

Funding Information:
This work was supported by grant No. 2000-2-11400-006-3 from the Basic Research Program of the Korea Science & Engineering Foundation. *Corresponding author. E-mail: dynoh@swu.ac.kr

Keywords

  • Mixed-donor
  • Organic metal
  • Two-dimensional metal

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