Two phases of bis(tetraethylammonium) di-μ-chloro-bis[dichloropalladium(II)]
The article describes two phases and a phase transition at ~153 K in the title compound [N(C
2H
5)
4]2[Pd
2Cl
6]. This compound is chemically related to (NH
4)
2[PdCl
4] and to [N(CH
3)
4]
2[PdCl
4] where phase transitions depending on temperature also occur and the structures of which were previously determined. The low-temperature phase of the title compound is twinned as a consequence of the phase transition (
Immm →
I2/
m). The most interesting structural feature is the presence of C-H…Cl interactions as short as ~2.80 Å. Vibrational spectroscopy confi rmed that there are C-H…Cl hydrogen bonds in the structure.
J. Fábry, M. Dusek, K. Fejfarová, R. Krupková, P. Vanek and I. Nemec
![[unit cell]](https://www.iucr.org/__data/assets/image/0011/18839/12-3_Page_06_Image_0001.jpg)
A view of the unit cell at 292 K along the c axis. Displacement ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres of arbitrary radii.
