Vibrational levels (cm-1)
| Mode Number |
Symmetry |
Frequency |
Intensity |
Comment |
Description |
| Fundamental(cm-1) |
Harmonic(cm-1) |
Reference |
(km mol-1) |
unc. |
Reference |
| 1 |
A1 |
2974 |
|
1956Hex/Che:1186-1195 |
|
|
|
crystal |
CH stretch |
| 2 |
A1 |
426 |
|
|
|
|
|
|
CI3 s-stretch |
| 3 |
A1 |
150 |
|
|
|
|
|
|
CI3 s-bend |
| 4 |
E |
1064 |
|
|
|
|
|
|
CH bend |
| 5 |
E |
577 |
|
|
|
|
|
|
CI3 d-stretch |
| 6 |
E |
108 |
|
|
|
|
|
|
CI3 d-bend |
vibrational zero-point energy: 3524.0 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
CHI
3 (Iodoform).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook
here.
Geometric Data
Point Group C3v
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 |
Cartesians
Atom - Atom Distances
Distances in Å
Calculated geometries
for CHI
3 (Iodoform).
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
| Bond Type |
Count |
| H-C |
1 |
| C-I |
3 |
Connectivity
| Atom 1 |
Atom 2 |
| C1 |
H2 |
| C1 |
I3 |
| C1 |
I4 |
| C1 |
I5 |