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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B2PLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-113.600919
Energy at 298.15K-113.600750
HF Energy-113.537887
Nuclear repulsion energy25.091923
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/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 A' 3293 3293 6.25 369.44 0.33 0.49
2 A' 1270 1270 36.06 7.73 0.71 0.83
3 A' 1108 1108 165.68 17.83 0.58 0.74

Unscaled Zero Point Vibrational Energy (zpe) 2836.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2836.1 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/6-31G
ABC
25.21895 1.28855 1.22591

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.824 0.000
O2 0.058 -0.496 0.000
H3 -0.810 -0.979 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.32022.0007
O21.32020.9926
H32.00070.9926

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.118      
2 O -0.522      
3 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.950 -1.970 0.000 2.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.969 1.931 -0.001
y 1.931 -12.987 -0.006
z -0.001 -0.006 -11.054
Traceless
 xyz
x 1.051 1.931 -0.001
y 1.931 -1.976 -0.006
z -0.001 -0.006 0.925
Polar
3z2-r21.849
x2-y22.018
xy1.931
xz-0.001
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.646 0.453 0.000
y 0.453 2.660 -0.000
z 0.000 -0.000 1.224


<r2> (average value of r2) Å2
<r2> 14.993
(<r2>)1/2 3.872