Phosphide silicide

Phosphide silicides or silicide phosphides or silicophosphides are compounds containing anions composed of silicide (Si4−) and phosphide (P3−). They can be considered as mixed anion compounds. They are distinct from the phosphidosilicates, which have the phosphorus bonded to the silicon. Related compounds include the phosphide carbides, germanide phosphides, nitride silicides, and antimonide silicides. One preparation method is to heat a metal phosphide with silicon in a silica tube. Phosphorus must be prevented from evaporating. Another method is to use a liquid tin flux.

Phosphide silicides may be present as minerals. They are under investigation as photovoltaic materials.[1]

## List

formula  | system  | space group  | unit cell Å  | volume  | density  | comment  | ref

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Li10.68Si5P  | orthorhombic  | Pnma | a = 10.2434, b = 4.2788, c = 23.9767 Z=4  | 1050.89  | 1.52  | grey metallic; Si5 rings  | [2]
Fe5PSi  | hexagonal  | P63cm | a=6.766 c=12.456 Z=6  | 493.83  | 6.82  |  | [3]
Fe5(P,Si)3 |  |  |  |  |  |  | [4]
Fe7(P,Si)3 |  |  |  |  |  |  | [5]
(Fe,Ni)8(P,Si)3 |  |  |  |  |  | Perryite  | [6]
Ni2PSi  | orthorhombic  | Pbca | a=4.985 b=5.871 c=13.667  | 399.95  | 5.86  |  | [7]
ZrCuSiP  |  | P4/nmm | a=3.5671 c=9.4460  |  |  | metallic  | [8]
La4(P1−xSix)3-z | cubic  | I43d |  |  |  |  | [9]
Ce4(P1−xSix)3-z | cubic  | I43d |  |  |  |  | [9]
Ce4P1.77Si1.23 | cubic  | I43d | a=8.9359 Z=4  | 713.53  | 6.0474  | black  | [9]
Pr4(P1−xSix)3-z | cubic  | I43d |  |  |  |  | [9]
Nd4(P1−xSix)3-z | cubic  | I43d |  |  |  |  | [9]
Gd4Co13(Si, P)9 |  | P6m2  | a = 10.419, c = 37.27  |  |  |  | [10]
Sm4Co13(Si, P)9 |  | P6m2  |  |  |  |  | [10]
Tb4Co13(Si, P)9 |  | P6m2  |  |  |  |  | [10]
Dy4Co13(Si, P)9 |  | P6m2  |  |  |  |  | [10]
Ho4Co13(Si, P)9 |  | P6m2  |  |  |  |  | [10]
Er4Co13(Si, P)9 |  | P6m2  |  |  |  |  | [10]
Hf27Si6P10 |  | Immm | a = 3.5739, b = 18.623, c = 23.081, Z = 2  |  | 11.443  | P2 groups  | [11]

## References

1. ↑ Martinez, Aaron D.; Ortiz, Brenden R.; Johnson, Nicole E.; Baranowski, Lauryn L.; Krishna, Lakshmi; Choi, Sukgeun; Dippo, Patricia C.; To, Bobby et al. (January 2015). "Development of ZnSiP$_{\mathbf 2}$ for Si-Based Tandem Solar Cells". IEEE Journal of Photovoltaics 5 (1): 17–21. doi:10.1109/JPHOTOV.2014.2362305. ISSN 2156-3381. https://ieeexplore.ieee.org/document/6951349.
2. ↑ Fässler, Thomas Friedrich; Eickhoff, Henrik; Toffoletti, Lorenzo; Klein, Wilhelm; Raudaschl-Sieber, Gabi (2022-01-20). "Planar Si5 and Ge5 Pentagons beside Isolated Phosphide Anions in Lithium Phosphide Tetrelides Li10+xSi5P and Li10+xGe5P" (in en). Zeitschrift für anorganische und allgemeine Chemie 648 (10): zaac.202100376. doi:10.1002/zaac.202100376. ISSN 0044-2313. https://onlinelibrary.wiley.com/doi/10.1002/zaac.202100376.
3. ↑ Ellner, M.; El-Boragy, M. (June 1992). "Über die eisenhaltigen vertreter des strukturtyps Pd5Sb2" (in de). Journal of Alloys and Compounds 184 (1): 131–138. doi:10.1016/0925-8388(92)90461-H. https://linkinghub.elsevier.com/retrieve/pii/092583889290461H.
4. ↑ "Unnamed (Fe Phosphide-Silicide II)". https://www.mindat.org/min-47209.html.
5. ↑ "Unnamed (Fe Phosphide-Silicide I)". https://www.mindat.org/min-47208.html.
6. ↑ Dambaev, V. A.; Ulyanov, A. A. (March 1998). "Opaque Minerals in Enstatite Chondrites: Perryite - Silicophosphide NI and Fe in PCA 91085 and Conditions of Its Formation" (in en). Lunar and Planetary Science Conference 29 (1282): 1282. Bibcode: 1998LPI....29.1282D. https://ui.adsabs.harvard.edu/abs/1998LPI....29.1282D/abstract.
7. ↑ None Available (2017) (in en), Materials Data on SiNi2P by Materials Project, The Materials Project, LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States), doi:10.17188/1262921, https://www.osti.gov/servlets/purl/1262921/, retrieved 2021-09-22
8. ↑ Abe, Hideki; Yoshii, Kenji (May 2002). "Structure and Electrical Transport Property of a Silicopnictide ZrCuSiP" (in en). Journal of Solid State Chemistry 165 (2): 372–374. doi:10.1006/jssc.2002.9553. Bibcode: 2002JSSCh.165..372A. https://linkinghub.elsevier.com/retrieve/pii/S0022459602995538.
9. ↑ 9.0 9.1 9.2 9.3 9.4 Chizhov, Pavel S.; Khasanova, Nellie R.; Baitinger, Michael; Schnelle, Walter; Prots, Yuri; Burkhardt, Ulrich; Antipov, Evgeny V.; Grin, Yuri (2006-09-01). "Ce 4 (P 1- x Si x ) 3- z : A First Example for the Stabilization of the Anti-Th 3 P 4 Type Structure by Substitution in the Non-Metal Substructure" (in en). Inorganic Chemistry 45 (18): 7210–7216. doi:10.1021/ic060726h. ISSN 0020-1669. PMID 16933921. https://pubs.acs.org/doi/10.1021/ic060726h.
10. ↑ 10.0 10.1 10.2 10.3 10.4 10.5 Jeitschko, Wolfgang; Jakubowski-Ripke, Ursula; Albering, Jörg (June 2011). "Crystal Structure of the Silicide Phosphide Gd4Co13(Si, P)9, the Isotypic Lanthanoid Cobalt Silicide Phosphides Ln4Co13(Si, P)9 (Ln = Sm, Tb, Dy, Ho, Er), and the Uranium Iron Phosphide U4Fe13P9" (in en). Zeitschrift für anorganische und allgemeine Chemie 637 (7–8): 895–900. doi:10.1002/zaac.201000404. https://onlinelibrary.wiley.com/doi/10.1002/zaac.201000404.
11. ↑ Huang, Chang-Cang; Neuhausen, Jörg; Tremel, Wolfgang (2000). "Hf27Si6P10, a novel metal-rich compound with P2 groups". Chemical Communications (1): 17–18. doi:10.1039/a906873b. http://xlink.rsc.org/?DOI=a906873b.

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