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 |
213 |
215 |
webbook |
|
|
|
|
|
Detailed diatomic data
| ωe |
ωexe |
ωeye |
Be |
αe |
ZPE
| reference |
| 214.502 |
0.6147 |
|
0.037372 |
0.0001138 |
|
webbook |
vibrational zero-point energy: 106.6 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
I
2+ (Iodine diatomic cation).
Geometric Data
Point Group D∞h
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 |
| rII |
2.665 |
|
1 |
2 |
|
|
Gurvich |
re |
Cartesians
| Atom |
x (Å) |
y (Å) |
z (Å) |
| I1 |
0.0000 |
0.0000 |
0.0000 |
| I2 |
0.0000 |
0.0000 |
2.6655 |
Atom - Atom Distances
Distances in Å
| |
I1 |
I2 |
| I1 |
|
2.6655 |
| I2 |
2.6655 |
|
Calculated geometries
for I
2+ (Iodine diatomic cation).
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Connectivity
Dipole, Quadrupole and Polarizability
Electric dipole moment
| State |
Config |
State description |
Conf description |
Exp. min. |
Dipole (Debye) |
Reference |
comment |
Point Group |
Components |
| x |
y |
z |
total |
dipole |
quadrupole |
| 1 |
1 |
1Σg |
D∞h |
True |
|
|
|
0.000 |
|
|
D∞h |
0 |
1 |
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for
I
2+ (Iodine diatomic cation).
Electric quadrupole moment
| State |
Config |
State description |
Conf description |
Exp. min. |
Quadrupole (D Å) |
Reference |
comment |
Point Group |
Components |
| xx |
yy |
zz |
dipole |
quadrupole |
| 1 |
1 |
1Σg |
D∞h |
True |
|
|
|
|
|
D∞h |
0 |
1 |
Calculated electric quadrupole moments for
I
2+ (Iodine diatomic cation).