Back to Search
Potassium Heptafluorotantalate
CAS: 16924-00-8 | F7K2Ta
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
16924-00-8
Molecular Formula:
F7K2Ta
Molecular Mass:
392.13 g/mol
Names and Synonyms:
Potassium Heptafluorotantalate
Tantalate(2-), heptafluoro-, potassium (1:2)
Tantalate(2-), heptafluoro-, dipotassium
Potassium heptafluorotantalate(V)
Potassium fluotantalate(V) (K2TaF7)
Potassium fluorotantalate (K2TaF7)
Potassium tantalum fluoride (K2TaF7)
Potassium fluorotantalate
Potassium heptafluorotantalate
Dipotassium heptafluorotantalate
NSC 154396
Potassium sodium tantalum fluoride (KNaTaF7)
Identifiers:
SMILES:
[F-].[F-].[F-].[F-].[F-].[F-].[F-].[K+].[K+].[Ta+5]
InChI:
InChI=1S/7FH.2K.Ta/h7*1H;;;/q;;;;;;;2*+1;+5/p-7
Key Properties
Melting Point
775 °C
CAS Common Chemistry
Density
5.24 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 392.13 g/mol | CAS Common Chemistry |
| 391.8642317 g/mol | RDKit | |
| Density | 5.24 g/cm³ | CAS Common Chemistry |
| 5.24 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_heptafluorotantalate | CAS Common Chemistry |
| Canonical SMILES | [K+].[F-][Ta+5]([F-])([F-])([F-])([F-])([F-])[F-] | CAS Common Chemistry |
| InChI | InChI=1S/7FH.2K.Ta/h7*1H;;;/q;;;;;;;2*+1;+5/p-7 | CAS Common Chemistry |
| InChI Key | InChIKey=DPXAUKPQZOAHGF-UHFFFAOYSA-G | CAS Common Chemistry |
| Melting Point | 775 °C | CAS Common Chemistry |
| Name | Potassium heptafluorotantalate | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | -26.966499999999996 | RDKit |
| Molar Refractivity | 0.0 | RDKit |
