Bi2CO5

Bismuth subcarbonate · Bismuth oxycarbonate, Bismuth carbonate

Bismuth subcarbonate is an inorganic compound that appears as a white or pale yellow powder. It is primarily utilized in medical and cosmetic applications due to its soothing and protective properties on skin and mucous membranes.

BiCO
Crystal structure of Bi2CO5 (orthorhombic, Pna21 (No. 33))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Bismuth subcarbonate, aggregated across 3 databases.

Band Gap

1.07–2.45 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

12
3 databases, 5 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Bi2CO5, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pna21 (No. 33)orthorhombic2.450.0000-7.0037.86
Fmm2 (No. 42)orthorhombic2.040.0135-6.9908.01
Cm (No. 8)monoclinic2.150.0250-6.9787.71
Imm2 (No. 44)orthorhombic1.070.1159-6.8877.44
Cm (No. 8)Monoclinic7.71
Cm (No. 8)Monoclinic8.25
Fmm2 (No. 42)Orthorhombic7.86
Imm2 (No. 44)Orthorhombic7.44
Imm2 (No. 44)Orthorhombic7.88
Imm2 (No. 44)Orthorhombic7.59
C2 (No. 5)
Imm2 (No. 44)
Uses

Applications

Where Bismuth subcarbonate is used.

Pharmaceutical antacidsTopical skin protectantsRadiopaque contrast agentsCosmetic pigments
Reference

Frequently Asked Questions

Common questions about Bismuth subcarbonate, answered from cross-validated data.

What is Bi2CO5?

Bismuth subcarbonate is an inorganic compound that appears as a white or pale yellow powder. It is primarily utilized in medical and cosmetic applications due to its soothing and protective properties on skin and mucous membranes.

More questions
What is Bi2CO5 used for?
Bismuth subcarbonate (Bi2CO5) is used in pharmaceutical antacids, topical skin protectants, radiopaque contrast agents, and cosmetic pigments.
What is the band gap of Bi2CO5?
Bismuth subcarbonate (Bi2CO5) has a DFT-computed band gap of 1.07–2.45 eV across 12 reported structures.
Is Bi2CO5 a metal, semiconductor, or insulator?
With a band gap up to 2.45 eV it is a semiconductor.
Is Bi2CO5 thermodynamically stable?
Yes — Bismuth subcarbonate (Bi2CO5) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Bi2CO5?
The lowest-energy reported polymorph of Bismuth subcarbonate (Bi2CO5) is orthorhombic symmetry, space group Pna21 (No. 33).
What is the density of Bi2CO5?
The computed density of the ground-state structure of Bismuth subcarbonate (Bi2CO5) is 7.86 g/cm³.
How many polymorphs of Bi2CO5 are known?
12 structures of Bi2CO5 are reported across 3 databases, spanning 5 distinct space groups.
What elements does Bi2CO5 contain?
Bismuth subcarbonate (Bi2CO5) contains Bi, C, and O (3 elements).
Where does the data for Bi2CO5 come from?
Bi2CO5 data is cross-referenced from materials_project, mpaloe, jarvis.
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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