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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-113.761419
Energy at 298.15K-113.761263
HF Energy-113.636631
Nuclear repulsion energy25.946236
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 B2PLYP=FULL/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3406 3267 26.77 495.27 0.32 0.48
2 A' 1394 1337 57.71 10.64 0.67 0.80
3 A' 1138 1091 105.54 34.28 0.38 0.55

Unscaled Zero Point Vibrational Energy (zpe) 2968.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2847.8 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
23.40112 1.40071 1.32160

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.790 0.000
O2 0.060 -0.482 0.000
H3 -0.836 -0.883 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27261.8978
O21.27260.9813
H31.89780.9813

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability