Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate

Name: Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate — Molecular Data
Creator: MolForge
License: https://creativecommons.org/publicdomain/zero/1.0/

H₁₀O₁₀Ta₂ — CID 172678572

Data last refreshed: 2026-04-15 (MolForge compound catalog, from PubChem)

IUPACpentakis(oxygen(2-));bis(tantalum(5+));pentahydrate

SMILESO.O.O.O.O.[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]

InChIInChI=1S/5H2O.5O.2Ta/h5*1H2;;;;;;;/q;;;;;5*-2;2*+5

InChIKeyABQPOYRPTUKFMI-UHFFFAOYSA-N

MW531.97 g/mol

LogP-4.72

Rot. Bonds

About Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate

Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate (PubChem CID 172678572) has the molecular formula H₁₀O₁₀Ta₂ and a molecular weight of 531.97 g/mol. Its IUPAC name is pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate.

Molecular Properties

Compound Name	Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate
PubChem CID	172678572
Molecular Formula	H₁₀O₁₀Ta₂
Molecular Weight	531.97 g/mol
Exact Mass	531.92
IUPAC Name	pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate
SMILES	O.O.O.O.O.[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]
InChI	InChI=1S/5H2O.5O.2Ta/h51H2;;;;;;;/q;;;;;5-2;2*+5
InChIKey	ABQPOYRPTUKFMI-UHFFFAOYSA-N
XLogP	-4.72
TPSA	300.00 Å²
H-Bond Donors
H-Bond Acceptors
Rotatable Bonds
Heavy Atoms	12
Complexity	—

Lipinski Rule of Five

1 violation

Rule	Value
MW ≤ 500	531.97
LogP ≤ 5	-4.72
H-Bond Donors ≤ 5	0
H-Bond Acceptors ≤ 10	0

Frequently Asked Questions

What is the IUPAC name of Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate?

The IUPAC name of Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate (CID 172678572) is pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate.

What is the SMILES notation for Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate?

The canonical SMILES for Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate is O.O.O.O.O.[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5].

What is the InChIKey of Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate?

The InChIKey is ABQPOYRPTUKFMI-UHFFFAOYSA-N. The full InChI is InChI=1S/5H2O.5O.2Ta/h5*1H2;;;;;;;/q;;;;;5*-2;2*+5.

What are the key properties of Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate?

Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate has a molecular weight of 531.97 g/mol, XLogP of -4.72, 0 rotatable bonds, 0 hydrogen bond donors, and 0 hydrogen bond acceptors.

Where does this data come from?

All data for Pentakis(oxygen(2-));bis(tantalum(5+));pentahydrate is sourced from PubChem (CID 172678572), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).

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Sources

PubChem CID 172678572 — identifiers, structure, computed properties (public domain)

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