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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-112.214183
Energy at 298.15K-112.214009
HF Energy-112.214183
Nuclear repulsion energy24.865582
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 B1B95/STO-3G
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' 3304 2917 71.57 114.00 0.31 0.47
2 A' 1441 1272 10.58 7.82 0.47 0.64
3 A' 1166 1029 68.05 11.19 0.64 0.78

Unscaled Zero Point Vibrational Energy (zpe) 2955.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 2609.5 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 B1B95/STO-3G
ABC
20.34514 1.29734 1.21957

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.064 0.821 0.000
O2 0.064 -0.503 0.000
H3 -0.896 -0.905 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.32361.9749
O21.32361.0408
H31.97491.0408

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.017      
2 O -0.199      
3 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.446 -1.707 0.000 2.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.188 1.155 0.000
y 1.155 -11.880 0.000
z 0.000 0.000 -9.434
Traceless
 xyz
x 1.469 1.155 0.000
y 1.155 -2.568 0.000
z 0.000 0.000 1.099
Polar
3z2-r22.198
x2-y22.692
xy1.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.971 0.439 0.000
y 0.439 1.526 0.000
z 0.000 0.000 0.616


<r2> (average value of r2) Å2
<r2> 14.094
(<r2>)1/2 3.754