β Scribed by Adam D. Raw; James A. Ibers
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
and the R 1 indices are 0.036 and 0.043. The cell of RbSm 2 Ag 3 Se 5 is 4.3223(6), 15.229(2), 17.420(3) A > and the R 1 index is 0.025. All six are closely related three-dimensional tunnel structures. Their anionic frameworks are built from LnSe 6 octahedra and MSe 4 (M β«Ψβ¬ Cu, Ag) tetrahedra. RbLn
2 (tetragonal) (2). In the case of Ln Ο Ce, group P3m1, with a and c parameters varying from 3.9442 to Ce 2 (CO 3 ) 3 ΠΈ 8H 2 O was heated at 1273 K. For Ln Ο Eu, 3.7812 A Λand from 8.3609 to 8.2311 A Λ, respectively, as Ln atoms Eu 2 O 3 was calcined at 1023 K because the sample melted change from C
The compounds Ba4Nd2Cd3Se10 and Ba4Ln2Cd3S10 (Ln β«Ψβ¬ Sm, Gd, Tb) have been synthesized at 1173 K with the use of a BaBr2/ KBr eutectic 6ux. These isostructural compounds crystallize as racemic twins in space group Cmc21 of the orthorhombic system in cells of (Ln, Q, a, b, c (A s ), T (K)