On the Closely Related Structures of SiF4and CuAl2
✍ Scribed by Ulrich Häußermann; Sven Lidin
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 402 KB
- Volume
- 132
- Category
- Article
- ISSN
- 0022-4596
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📜 SIMILAR VOLUMES
The structure of the cuprate \(\mathrm{Nd}_{2} \mathrm{Ba}_{4} \mathrm{Cu}_{2} \mathrm{O}_{4}\) has been determined using both \(\mathrm{X}\)-ray powder diffraction and high resolution electron microscopy. The compound crystallizes in the space group \(P \overline{4} n 2\) with \(a=12.072, c=3.874 \
The observed difference in transition strength for ( SF6) 2, ( SiF,) 2 and ( SiH4) z IR-predissociation spectra is explained by induction effects (q&/R$) which have to be included in the interaction Hamiltonian in addition to the dominant dipole-dipole term (&IR:z).