O. G. Karpov, D. Yu. Pushcharovskii, E. A. Pobedimskaya, N. V. Belov, “Crystal structure of rare-earth silicates $\mathrm{NaPrSi}_6\mathrm{O}_{14}$ and $\mathrm{NaNdSi}_6\mathrm{O}_{14}$. A new oxygensilicon radical infinite in two dimensions – a three-storeyed wall of $[\mathrm{Si}_3\mathrm{O}_7]_{\infty\infty}$”, Dokl. Akad. Nauk SSSR, 1976, Volume 228, Number 1,Pages 88

CRYSTALLOGRAPHY

Crystal structure of rare-earth silicates $\mathrm{NaPrSi}_6\mathrm{O}_{14}$ and $\mathrm{NaNdSi}_6\mathrm{O}_{14}$. A new oxygensilicon radical infinite in two dimensions – a three-storeyed wall of $[\mathrm{Si}_3\mathrm{O}_7]_{\infty\infty}$

O. G. Karpov, D. Yu. Pushcharovskii, E. A. Pobedimskaya, N. V. Belov

Lomonosov Moscow State University

UDC: 548.736.6