PtCl2

Platinum(II) chloride · Platinous chloride

Platinum(II) chloride is an inorganic compound that serves as a primary precursor for the synthesis of various other platinum-based chemical complexes. It is widely utilized in industrial and laboratory settings to facilitate the creation of catalysts and specialized materials.

Crystal structure of PtCl2 (trigonal, R-3m (No. 166))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Platinum(II) chloride, aggregated across 3 databases.

Band Gap

0.01–1.79 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

111
3 databases, 22 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for PtCl2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R-3m (No. 166)trigonal1.790.0000-21.7395.77
Pnnm (No. 58)orthorhombic1.140.0460-21.6936.10
C2/m (No. 12)monoclinic1.050.0490-21.6905.82
P-1 (No. 2)triclinic0.010.2935-21.4465.48
C2/m (No. 12)monoclinic0.000.5795-21.1603.85
Amm2 (No. 38)Orthorhombic7.28
P-1 (No. 2)
Immm (No. 71)
Cm (No. 8)Monoclinic8.90
P3m1 (No. 156)Trigonal7.06
C2 (No. 5)Monoclinic11.88
C2/m (No. 12)Monoclinic5.17
Uses

Applications

Where Platinum(II) chloride is used.

CatalysisSynthesis of platinum complexesChemical researchElectroplating
Reference

Frequently Asked Questions

Common questions about Platinum(II) chloride, answered from cross-validated data.

What is PtCl2?

Platinum(II) chloride is an inorganic compound that serves as a primary precursor for the synthesis of various other platinum-based chemical complexes. It is widely utilized in industrial and laboratory settings to facilitate the creation of catalysts and specialized materials.

More questions
What is PtCl2 used for?
Platinum(II) chloride (PtCl2) is used in catalysis, synthesis of platinum complexes, chemical research, and electroplating.
What is the band gap of PtCl2?
Platinum(II) chloride (PtCl2) has a DFT-computed band gap of 0.01–1.79 eV across 111 reported structures.
Is PtCl2 a metal, semiconductor, or insulator?
With a band gap up to 1.79 eV it is a semiconductor.
Is PtCl2 thermodynamically stable?
Yes — Platinum(II) chloride (PtCl2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of PtCl2?
The lowest-energy reported polymorph of Platinum(II) chloride (PtCl2) is trigonal symmetry, space group R-3m (No. 166).
What is the density of PtCl2?
The computed density of the ground-state structure of Platinum(II) chloride (PtCl2) is 5.77 g/cm³.
How many polymorphs of PtCl2 are known?
111 structures of PtCl2 are reported across 3 databases, spanning 22 distinct space groups.
What elements does PtCl2 contain?
Platinum(II) chloride (PtCl2) contains Cl and Pt (2 elements).
Where does the data for PtCl2 come from?
PtCl2 data is cross-referenced from materials_project, mpaloe, jarvis.
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Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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