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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-113.665486
Energy at 298.15K-113.665331
HF Energy-113.665486
Nuclear repulsion energy25.891291
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 PBE1PBE/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' 3345 3216 43.28 488.42 0.32 0.48
2 A' 1425 1370 49.97 10.93 0.58 0.74
3 A' 1141 1097 82.34 36.69 0.44 0.61

Unscaled Zero Point Vibrational Energy (zpe) 2955.5 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 2841.7 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 PBE1PBE/cc-pVDZ
ABC
22.66997 1.39961 1.31823

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.061 0.790 0.000
O2 0.061 -0.484 0.000
H3 -0.849 -0.870 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27461.8934
O21.27460.9879
H31.89340.9879

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 O -0.042      
3 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.626 -2.217 0.000 2.749
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.810 1.474 0.000
y 1.474 -13.124 0.000
z 0.000 0.000 -10.987
Traceless
 xyz
x 1.245 1.474 0.000
y 1.474 -2.226 0.000
z 0.000 0.000 0.980
Polar
3z2-r21.961
x2-y22.314
xy1.474
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.807 0.420 0.000
y 0.420 2.582 0.000
z 0.000 0.000 1.420


<r2> (average value of r2) Å2
<r2> 14.423
(<r2>)1/2 3.798