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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B2PLYP=FULLultrafine/aug-cc-pVDZ

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=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-113.708531
Energy at 298.15K 
HF Energy-113.610042
Nuclear repulsion energy25.739610
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=FULLultrafine/aug-cc-pVDZ
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' 3417 3288 25.41 427.67 0.31 0.47
2 A' 1365 1314 61.87 7.83 0.74 0.85
3 A' 1140 1097 103.33 29.97 0.41 0.58

Unscaled Zero Point Vibrational Energy (zpe) 2961.0 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 2849.4 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=FULLultrafine/aug-cc-pVDZ
ABC
22.90609 1.37766 1.29951

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.797 0.000
O2 0.060 -0.488 0.000
H3 -0.844 -0.876 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.28491.9020
O21.28490.9842
H31.90200.9842

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