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All results from a given calculation for KCN (Potassium cyanide)

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C*V 1Σ
1 2 no C*V 1Σ
1 3 yes CS 1A'

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-691.756537
Energy at 298.15K-691.755973
HF Energy-691.439357
Nuclear repulsion energy60.151291
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2061 1942 9.78      
2 Σ 292 275 56.13      
3 Π 92 87 12.03      
3 Π 92 87 12.03      

Unscaled Zero Point Vibrational Energy (zpe) 1268.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 1195.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G*
B
0.09632

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G* An error occurred on the server when processing the URL. Please contact the system administrator.

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