| class="wikitable"
!formula
!system
!space group
!unit cell Å
!volume
!density
!comment
!ref |
| V2PC
|hexagonal
|P63/mmc
|a=3.077 c=10.91
|
|
|
|[{{Cite journal|last1=Boller|first1=H.|last2=Nowotny|first2=H.|date=March 1968|title=Die Kristallstruktur von V2PC und V5P3N: Kurze Mitteilung|url=http://link.springer.com/10.1007/BF00901220|journal=Monatshefte für Chemie - Chemical Monthly|language=de|volume=99|issue=2|pages=672–675|doi=10.1007/BF00901220|s2cid=92175690|issn=0026-9247|url-access=subscription}}] |
| V3PC1-x
|
|
|
|
|
|
| |
| V4P2C
|
|P{{overbar|6}}2m
|a =9.567,c =3.166
|
|
|
|[{{cite journal |last1=Boller |first1=H. |title=Röntgenographische Untersuchungen im Dreistoff V-P-C |journal=Monatshefte für Chemie |date=1973 |volume=104 |issue=1 |pages=48–56 |doi=10.1007/BF00911144|s2cid=91814211 }}] |
| V18P9C2
|orthorhombic
|Pmma
|a = 17.044, b = 3.2219, c = 13.030, Z = 2
|715.5
|5.66
|
|[{{Cite journal|last1=Boller|first1=Herbert|last2=Effenberger|first2=Herta|date=2016-05-01|title=V18P9C2: a complex phosphide carbide|url=https://www.degruyter.com/document/doi/10.1515/znb-2016-0012/html|journal=Zeitschrift für Naturforschung B|language=en|volume=71|issue=5|pages=521–526|doi=10.1515/znb-2016-0012|s2cid=197093843|issn=1865-7117|url-access=subscription}}{{open access}}] |
| Cr3PC
|orthorhombic
|Cmcm
|a=3.051 b=9.702 c=7.295 Z=4
|216
|6.16
|metallic
|[{{Cite journal|last1=Zu|first1=L.|last2=Lin|first2=S.|last3=Tong|first3=P.|last4=Lin|first4=J.C.|last5=Kan|first5=X.C.|last6=Wang|first6=B.S.|last7=Song|first7=W.H.|last8=Sun|first8=Y.P.|date=May 2015|title=Synthesis and physical properties of Cr–P-based intermetallic compounds: Cr3P, Cr3PC, and Cr3PN|url=https://linkinghub.elsevier.com/retrieve/pii/S0925838815001061|journal=Journal of Alloys and Compounds|language=en|volume=630|pages=310–315|doi=10.1016/j.jallcom.2015.01.051|url-access=subscription}}] |
| Cr8.105P6C0.76Cr8P6C
|
|P31m
|a=6.682 c=4.606
|
|
|
|[{{Cite journal|last1=Broll|first1=Sascha|last2=Jeitschko|first2=Wolfgang|date=November 1995|title=The chromium phosphide carbide Cr8P6C|url=https://linkinghub.elsevier.com/retrieve/pii/0925838895016716|journal=Journal of Alloys and Compounds|language=en|volume=229|issue=2|pages=233–237|doi=10.1016/0925-8388(95)01671-6|url-access=subscription}}] |
| Nb2PC
|hexagonal
|P63/mmc
|a=3.38 c=11.5
|
|
|black
|[{{Cite journal|last1=Beckmann|first1=O.|last2=Boller|first2=H.|last3=Nowotny|first3=H.|date=1968|title=Neue H-Phasen: Kurze Mitteilung|url=http://link.springer.com/10.1007/BF00902709|journal=Monatshefte für Chemie|language=de|volume=99|issue=4|pages=1580–1583|doi=10.1007/BF00902709|s2cid=92211822|issn=0026-9247|url-access=subscription}}] |
| Nb3P2C
|hexagonal
|P63/mmc
|a=3.3063 c=18.0808 Z=2
|171.149
|6.8
|
|[{{Cite journal|last1=Chen|first1=Hongxiang|last2=Yang|first2=Dongliang|last3=Zhang|first3=Qinghua|last4=Jin|first4=Shifeng|last5=Guo|first5=Liwei|last6=Deng|first6=Jun|last7=Li|first7=Xiaodong|last8=Chen|first8=Xiaolong|date=2019-03-26|title=A Series of MAX Phases with MA-Triangular-Prism Bilayers and Elastic Properties|url=https://onlinelibrary.wiley.com/doi/10.1002/ange.201814128|journal=Angewandte Chemie|language=en|volume=131|issue=14|pages=4624–4628|doi=10.1002/ange.201814128|bibcode=2019AngCh.131.4624C |s2cid=104420787|issn=0044-8249|url-access=subscription}}] |
| YRu2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
|[{{Cite journal|last1=Pohlkamp|first1=Marc W.|last2=Witte|first2=Anne M.|last3=Jeitschko|first3=Wolfgang|date=July 2009|title=Quaternary Rare Earth Ruthenium and Osmium Phosphide Carbides R Ru 2 PC and R Os 2 PC with DyFe 2 SiC Type Structure|url=https://onlinelibrary.wiley.com/doi/10.1002/zaac.200900006|journal=Zeitschrift für anorganische und allgemeine Chemie|language=en|volume=635|issue=9–10|pages=1430–1434|doi=10.1002/zaac.200900006|url-access=subscription}}] |
| La4[P0.64(C2)0.36]3
|cubic
|I213
|a=8.9300 Z=4
|712.1
|
|
|[{{Cite journal|last1=Chizhov|first1=Pavel S.|last2=Schnelle|first2=Walter|last3=Burkhardt|first3=Ulrich|last4=Schmidt|first4=Marcus|last5=Prots|first5=Yurii|last6=Antipov|first6=Evgeny V.|last7=Grin|first7=Yuri|date=2010-05-25|title=RE4[P1-x(C2)x]3 (RE = La-Nd): the Mixed Anionic Substructure Formed by Phosphorus and Carbon|url=https://onlinelibrary.wiley.com/doi/10.1002/zaac.201000023|journal=Zeitschrift für anorganische und allgemeine Chemie|language=en|volume=636|issue=7|pages=1318–1325|doi=10.1002/zaac.201000023|url-access=subscription}}] |
| Ce4[P0.66(C2)0.34]3
|cubic
|I213
|a=8.7592 Z=4
|680.4
|
|
| |
| Pr4[P0.65(C2)0.35]3
|cubic
|I213
|a=8.809 Z=4
|683.6
|
|
| |
| Nd4[P0.68(C2)0.32]3
|cubic
|I213
|a=8.6763 Z=4
|653.1
|
|
| |
| CeRu2PC
|
|Cmcm
|a=3.8896 b=10.9730 c=7.1472 Z=4
|305.0
|5.05
|grey; air stable
| |
| SmRu2PC
|
|Cmcm
|3.8278 b=10.9465 c=7.0986 Z=4
|297.4
|5.32
|grey; air stable
| |
| GdRu2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| TbRu2PC
|
|Cmcm
|a=3.7764 b=10.9661 c=7.0504 Z=4
|292.0
|5.53
|grey; air stable
| |
| DyRu2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| HoRu2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| ErRu2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| Ta3P2C
|hexagonal
|P63/mmc
|a=3.2969 c=18.010 Z=2
|169.531
|12.1
|
| |
| YOs2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| CeOs2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| PrOs2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| NdOs2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| SmOs2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |
| GdOs2PC
|
|Cmcm
|a=3.8274 b=10.8875 c=7.2140 Z=4
|300.6
|7.73
|grey; air stable
| |
| TbOs2PC
|
|Cmcm
|Z=4
|
|
|grey; air stable
| |