About 1,590 results
|Given two colors, there is a single way to color an OCTAHEDRON (Ball and |
Coxeter 1987, pp. 238Á/39). ... Polyhedron Compound DODECAHEDRON
2COMPOUND DODECAHEDRON 3- COMPOUND DODECAHEDRON 5-
|In considering covalent effects in more detail, it is convenient to consider |
compounds of iron(II) in the low-spin (S = 0) ... A typical compound is potassium
hexacyanoferrate, K4[Fe(CN)6].3H2O, which has octahedral co-ordination in the
|Two types of the A106 octahedra and four crystallographi- cally independent PO4 |
tetrahedra are the main polyhedra in the structure of K A1(HP04)2 □ H2O.65 The
alternating A106 and HPO4 polyhedra are linked in chains along the a and c ...
|In such a case, the overall cationzanion ratio of 1:2 can be maintained by having |
a total of three cations: A2BX6. The basic octahedral coordination geometry for 1:
2 compound is the rutile lattice, and we see a number of AZBX6 compounds that
|In the two compounds, the cis-Cu(gly)2 group must chelate one Ln ion and |
synchronously bind to another Cu2+ ion from the ... the barycenter of the cis-Cu(
gly)2 group will shift to the direction of the vertex (Ln ion) of the [Ln6Cu12]
|Philipp Gütlich, Harold A. Goodwin. spin crossover. Indeed, similar values are |
found in complexes with opposite behaviors. The temperature of the thermal
transition, noted Ti/2, may be very different in complexes showing a similar
|The family of Tl-based compounds shows various structural modifications. The |
ideal composition of these compounds is TlmBa2Can_ ,CunO2+m + 2n (m = lor 2
, n = 1,2,3,- • .) ... The n = 1 compound has an octahedral CuO6 block, ...
|3.1), with the presence of face-sharing octahedra (Manceau and Combes, 1988; |
Drits et al., 1993a; Manceau and Drits, ... Bemalite (Fe(OH)3 nH2O) (Birch et al.,
1993), and a Fe(OH)2 compound are exceedingly rare Fe hydroxides, and are ...
|Table 2. Strontium coordination spheres and M n“ hyperfine coupling constants in |
strontium borate compounds Strontium borate Sr-O bond A compound Strontium
coordination distance (A) (Gauss) 3: 1 SrO6 Octahedron“" 2- 1-2-2"" 91(1) 2: l ...