| Literature DB >> 24426979 |
Abderrazzak Assani1, Mohamed Saadi1, Ghaleb Alhakmi1, Elham Houmadi1, Lahcen El Ammari1.
Abstract
The title compound, barium trimanganese tris-(ortho-phosphate), was synthesized hydro-thermally. Its structure is isotypic with the lead and strontium analogues AMn(II) 2Mn(III)(PO4)3 (A = Pb, Sr). Except for two O atoms on general positions, all atoms are located on special positions. The Ba and one P atom exhibit mm2 symmetry, the Mn(II) atom 2/m symmetry, the Mn(III) atom and the other P atom .2. symmetry and two O atoms are located on mirror planes. The crystal structure contains two types of chains running parallel to [010]. One chain is linear and is composed of alternating Mn(III)O6 octa-hedra and PO4 tetra-hedra sharing vertices; the other chain has a zigzag arrangement and is built up from two edge-sharing Mn(II)O6 octa-hedra connected to PO4 tetra-hedra by edges and vertices. The two types of chains are linked through PO4 tetra-hedra into an open three-dimensional framework which contains channels parallel to [100] and [010] in which the Ba(II) ions are located. The alkaline earth cation is surrounded by eight O atoms in the form of a slightly distorted bicapped trigonal prism.Entities:
Year: 2013 PMID: 24426979 PMCID: PMC3884417 DOI: 10.1107/S1600536813023106
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| BaMn3(PO4)3 | |
| Orthorhombic, | Mo |
| Hall symbol: -I 2b 2 | Cell parameters from 811 reflections |
| θ = 3.4–30.5° | |
| µ = 8.39 mm−1 | |
| Block, brown | |
| 0.29 × 0.17 × 0.13 mm |
| Bruker X8 APEX diffractometer | 811 independent reflections |
| Radiation source: fine-focus sealed tube | 732 reflections with |
| Graphite monochromator | |
| φ and ω scans | θmax = 30.5°, θmin = 3.4° |
| Absorption correction: multi-scan ( | |
| 3968 measured reflections |
| Refinement on | 0 restraints |
| Least-squares matrix: full | Primary atom site location: structure-invariant direct methods |
| Secondary atom site location: difference Fourier map | |
| (Δ/σ)max < 0.001 | |
| 811 reflections | Δρmax = 1.86 e Å−3 |
| 53 parameters | Δρmin = −0.78 e Å−3 |
| Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'s involving l.s. planes. |
| Refinement. Refinement of |
| Ba1 | 0.0000 | 0.2500 | −0.11499 (4) | 0.01125 (10) | |
| Mn1 | 0.0000 | 0.5000 | 0.5000 | 0.00794 (15) | |
| Mn2 | 0.2500 | 0.36758 (4) | 0.2500 | 0.01092 (13) | |
| P1 | 0.0000 | 0.2500 | 0.39677 (16) | 0.0078 (2) | |
| P2 | 0.2500 | 0.57094 (6) | 0.2500 | 0.00851 (17) | |
| O1 | 0.0000 | 0.15998 (16) | 0.5237 (4) | 0.0115 (5) | |
| O2 | 0.1185 (2) | 0.2500 | 0.2553 (3) | 0.0107 (4) | |
| O3 | 0.21046 (19) | 0.63040 (12) | 0.0721 (3) | 0.0133 (3) | |
| O4 | 0.36337 (16) | 0.49927 (12) | 0.1983 (2) | 0.0103 (3) |
| Ba1 | 0.01480 (16) | 0.01187 (15) | 0.00707 (14) | 0.000 | 0.000 | 0.000 |
| Mn1 | 0.0102 (3) | 0.0081 (3) | 0.0056 (3) | 0.000 | 0.000 | −0.0001 (2) |
| Mn2 | 0.0154 (3) | 0.0063 (2) | 0.0110 (2) | 0.000 | −0.00074 (18) | 0.000 |
| P1 | 0.0104 (5) | 0.0065 (5) | 0.0066 (5) | 0.000 | 0.000 | 0.000 |
| P2 | 0.0121 (4) | 0.0064 (4) | 0.0071 (3) | 0.000 | 0.0010 (3) | 0.000 |
| O1 | 0.0166 (12) | 0.0049 (9) | 0.0129 (11) | 0.000 | 0.000 | 0.0014 (8) |
| O2 | 0.0121 (11) | 0.0103 (11) | 0.0098 (10) | 0.000 | 0.0035 (8) | 0.000 |
| O3 | 0.0183 (8) | 0.0114 (8) | 0.0100 (7) | 0.0027 (6) | 0.0006 (7) | 0.0033 (6) |
| O4 | 0.0123 (8) | 0.0087 (7) | 0.0100 (7) | 0.0014 (6) | 0.0016 (6) | 0.0009 (5) |
| Ba1—O1i | 2.734 (2) | Mn2—O2 | 2.1337 (16) |
| Ba1—O1ii | 2.734 (2) | Mn2—O2xiii | 2.1337 (16) |
| Ba1—O3iii | 2.7560 (18) | Mn2—O3iii | 2.2006 (17) |
| Ba1—O3iv | 2.7560 (18) | Mn2—O3ix | 2.2006 (17) |
| Ba1—O3v | 2.7560 (18) | Mn2—O4 | 2.2117 (17) |
| Ba1—O3vi | 2.7560 (18) | Mn2—O4x | 2.2117 (17) |
| Ba1—O2 | 2.769 (2) | P1—O1 | 1.523 (2) |
| Ba1—O2vii | 2.769 (2) | P1—O1vii | 1.523 (2) |
| Mn1—O4viii | 1.9377 (17) | P1—O2vii | 1.547 (2) |
| Mn1—O4ix | 1.9377 (17) | P1—O2 | 1.547 (2) |
| Mn1—O4x | 1.9377 (17) | P2—O3x | 1.5119 (17) |
| Mn1—O4xi | 1.9377 (17) | P2—O3 | 1.5119 (17) |
| Mn1—O1vii | 2.248 (2) | P2—O4x | 1.5792 (17) |
| Mn1—O1xii | 2.248 (2) | P2—O4 | 1.5792 (17) |
| O1i—Ba1—O1ii | 54.97 (9) | O4ix—Mn1—O1vii | 87.51 (6) |
| O1i—Ba1—O3iii | 111.92 (5) | O4x—Mn1—O1vii | 92.49 (6) |
| O1ii—Ba1—O3iii | 79.16 (5) | O4xi—Mn1—O1vii | 87.51 (6) |
| O1i—Ba1—O3iv | 79.16 (5) | O4viii—Mn1—O1xii | 87.51 (6) |
| O1ii—Ba1—O3iv | 111.92 (5) | O4ix—Mn1—O1xii | 92.49 (6) |
| O3iii—Ba1—O3iv | 168.02 (7) | O4x—Mn1—O1xii | 87.51 (6) |
| O1i—Ba1—O3v | 79.16 (5) | O4xi—Mn1—O1xii | 92.49 (6) |
| O1ii—Ba1—O3v | 111.92 (5) | O1vii—Mn1—O1xii | 180.0 |
| O3iii—Ba1—O3v | 74.93 (8) | O2—Mn2—O2xiii | 78.86 (10) |
| O3iv—Ba1—O3v | 103.78 (8) | O2—Mn2—O3iii | 84.77 (8) |
| O1i—Ba1—O3vi | 111.92 (5) | O2xiii—Mn2—O3iii | 96.38 (8) |
| O1ii—Ba1—O3vi | 79.16 (5) | O2—Mn2—O3ix | 96.38 (8) |
| O3iii—Ba1—O3vi | 103.78 (8) | O2xiii—Mn2—O3ix | 84.77 (8) |
| O3iv—Ba1—O3vi | 74.93 (8) | O3iii—Mn2—O3ix | 178.52 (9) |
| O3v—Ba1—O3vi | 168.02 (7) | O2—Mn2—O4 | 169.28 (7) |
| O1i—Ba1—O2 | 142.77 (4) | O2xiii—Mn2—O4 | 107.86 (7) |
| O1ii—Ba1—O2 | 142.77 (4) | O3iii—Mn2—O4 | 86.16 (6) |
| O3iii—Ba1—O2 | 63.86 (5) | O3ix—Mn2—O4 | 92.61 (7) |
| O3iv—Ba1—O2 | 104.67 (5) | O2—Mn2—O4x | 107.86 (7) |
| O3v—Ba1—O2 | 63.86 (5) | O2xiii—Mn2—O4x | 169.28 (7) |
| O3vi—Ba1—O2 | 104.67 (5) | O3iii—Mn2—O4x | 92.61 (7) |
| O1i—Ba1—O2vii | 142.77 (4) | O3ix—Mn2—O4x | 86.16 (6) |
| O1ii—Ba1—O2vii | 142.77 (4) | O4—Mn2—O4x | 66.86 (9) |
| O3iii—Ba1—O2vii | 104.67 (5) | O1—P1—O1vii | 111.94 (19) |
| O3iv—Ba1—O2vii | 63.86 (5) | O1—P1—O2vii | 110.09 (7) |
| O3v—Ba1—O2vii | 104.67 (5) | O1vii—P1—O2vii | 110.09 (7) |
| O3vi—Ba1—O2vii | 63.86 (5) | O1—P1—O2 | 110.09 (7) |
| O2—Ba1—O2vii | 52.33 (10) | O1vii—P1—O2 | 110.09 (7) |
| O4viii—Mn1—O4ix | 180.0 | O2vii—P1—O2 | 104.27 (19) |
| O4viii—Mn1—O4x | 93.19 (10) | O3x—P2—O3 | 113.10 (14) |
| O4ix—Mn1—O4x | 86.81 (10) | O3x—P2—O4x | 112.12 (9) |
| O4viii—Mn1—O4xi | 86.81 (10) | O3—P2—O4x | 108.95 (10) |
| O4ix—Mn1—O4xi | 93.19 (10) | O3x—P2—O4 | 108.95 (10) |
| O4x—Mn1—O4xi | 180.0 | O3—P2—O4 | 112.12 (9) |
| O4viii—Mn1—O1vii | 92.49 (6) | O4x—P2—O4 | 100.99 (13) |