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Molecule
Praseodymium
CAS: 7440-10-0 · Pr
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7440-10-0
- Molecular Formula
- Pr
- Molecular Mass
- 140.91 g/mol
Identifiers
CAS Registry Number
7440-10-0
SMILES
[Pr]
InChI Key
PUDIUYLPXJFUGB-UHFFFAOYSA-N
InChI
InChI=1S/Pr
Names and Synonyms
- Praseodymium Synonym
- Praseodymium Synonym
- Praseodymium-141 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 140.91 g/mol | CAS Common Chemistry |
| 140.908 g/mol | RDKit | |
| 143.932 g/mol | chempirical lib | |
| Density | 6.75 g/cm³ | CAS Common Chemistry |
| 6.75 g/cm3 @ 18 °C | CAS Common Chemistry | |
| Canonical SMILES | [Pr] | CAS Common Chemistry |
| InChI | InChI=1S/Pr | CAS Common Chemistry |
| InChI Key | InChIKey=PUDIUYLPXJFUGB-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 950 °C | CAS Common Chemistry |
| Name | Praseodymium | CAS Common Chemistry |
| Heavy Atom Count | 1 | 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 | 0.0 | RDKit |
| Molar Refractivity | 0.0 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 140.9076528 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
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.
External Resources
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Quick conversion
MW = 140.91 g/mol; density = 6.750 g/mL. Edit any field — others recompute live.
