Vibrational levels (cm-1)
Mode Number |
Symmetry |
Frequency |
Intensity |
Comment |
Description |
Fundamental(cm-1) |
Harmonic(cm-1) |
Reference |
(km mol-1) |
unc. |
Reference |
1 |
Σ |
2886 |
2991 |
1979HUB/HER |
33.6 |
3.0 |
1951Pen/Web:1048 |
|
|
Detailed diatomic data
ωe |
ωexe |
ωeye |
Be |
αe |
ZPE
| reference |
2990.925 |
52.79996 |
0.21803 |
10.5933 |
0.3069985 |
1483.886 |
2007Iri:389 |
vibrational zero-point energy: 1443.0 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
HCl (Hydrogen chloride).
More spectroscopic constants are available at the NIST Physics Laboratory website:
Geometric Data
Point Group C∞v
Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description |
Value |
unc. |
Connectivity |
Reference |
Comment |
Atom 1 |
Atom 2 |
Atom 3 |
Atom 4 |
rHCl |
1.275 |
0.000 |
1 |
2 |
|
|
NISTdiatomic |
re 1H 35Cl |
Cartesians
Atom |
x (Å) |
y (Å) |
z (Å) |
Cl1 |
0.0000 |
0.0000 |
0.0000 |
H2 |
0.0000 |
0.0000 |
1.2746 |
Atom - Atom Distances
Distances in Å
|
Cl1 |
H2 |
Cl1 |
|
1.2746 |
H2 |
1.2746 |
|
Calculated geometries
for HCl (Hydrogen chloride).
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Connectivity
Electronic energy levels (cm-1)
Energy (cm-1) |
Degeneracy |
reference |
description |
0 |
1 |
1979HUB/HER |
1Σ |
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