# Carbonylchlorobis(triphenylphosphine)rhodium(I), trans-

**CAS:** 13938-94-8  
**PubChem CID:** [11319966](https://pubchem.ncbi.nlm.nih.gov/compound/11319966)  
**Molecular formula:** C₃₇H₃₀ClOP₂Rh  
**Molar mass:** 690.9 g/mol  
**IUPAC:** carbon monoxide;rhodium;bis(triphenylphosphane);chloride  
**SMILES:** `[C-]#[O+].C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3.C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3.[Cl-].[Rh]`  
**InChIKey:** `RMJBMLFXJWHQJH-UHFFFAOYSA-M`  
**InChI:** `InChI=1S/2C18H15P.CO.ClH.Rh/c2*1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;1-2;;/h2*1-15H;;1H;/p-1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 1 Ų |
| Hydrogen bond donors | 0 |
| Hydrogen bond acceptors | 2 |
| Rotatable bonds | 6 |
| Heavy atoms | 42 |

## 3D structure

The molecule contains 72 atoms connected by 73 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/13938-94-8/

## Synonyms

- 13938-94-8
- trans-RhCl(CO)(PPh3)2
- Carbonylchlorobis(triphenylphosphine)rhodium
- 100LRS254G
- trans-Carbonylchlorobis(triphenylphosphine)rhodium(I)
- NSC-168792
- trans-bis(triphenylphosphine)rhodiumcarbonyl chloride
- (SP-4-3)-Carbonylchlorobis(triphenylphosphine)rhodium
- TRANS-CARBONYLBIS(TRIPHENYLPHOSPHINE)CHLORORHODIUM(I)
- TRANS-CHLOROCARBONYLBIS(TRIPHENYLPHOSPHINE)RHODIUM(I)

## Data sources

- [PubChem CID 11319966](https://pubchem.ncbi.nlm.nih.gov/compound/11319966)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=13938-94-8)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=13938-94-8)

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- Canonical: https://molgod.org/molecule/13938-94-8/

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**How to cite:** MolGod.org. "Carbonylchlorobis(triphenylphosphine)rhodium(I), trans- (CAS 13938-94-8)." Last modified 2026-09-03. https://molgod.org/molecule/13938-94-8/ — for a chemical fact, cite its primary source (PubChem CID 11319966); for a 3D model file, cite its MolGod ID, the variant and the SHA-256 from its licence record.

*Last updated: 2026-09-03 · Generator: MOL-GOD v3.12.33*