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Crystal Structure, Infrared, and Polarized Raman Spectra of K3Sm(PO4)2

✍ Scribed by Mohamed Toumi; Leila Smiri-Dogguy; Alain Bulou

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
302 KB
Volume
1999
Category
Article
ISSN
1434-1948

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✦ Synopsis

The low-temperature form of K 3 Sm(PO 4 ) 2 crystallizes in the glaserite type. The Raman and infrared spectra have been investigated: they are consistent with the proposed space monoclinic system [a = 7.4347(5) A ˚, b = 5.6270(5) A ˚, c = 9.4919(5) A ˚, β = 90.870(6)°, Z = 2, space group P2 1 /m]. The group and an assignment of the observed frequencies is given. structure has been determined using 1263 independent reflections (R = 0.045, R w = 0.11) and is found to be of the

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