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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-113.767694
Energy at 298.15K-113.767516
HF Energy-113.767694
Nuclear repulsion energy25.009225
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 B3LYP/SDD
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' 3289 3162 16.37 449.29 0.33 0.49
2 A' 1257 1208 58.53 6.72 0.75 0.86
3 A' 1057 1016 155.31 28.24 0.54 0.70

Unscaled Zero Point Vibrational Energy (zpe) 2801.1 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 2692.7 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 B3LYP/SDD
ABC
25.54537 1.27860 1.21766

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.828 0.000
O2 0.058 -0.496 0.000
H3 -0.805 -0.996 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.32362.0173
O21.32360.9972
H32.01730.9972

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 O -0.375      
3 H 0.380      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.945 -2.158 0.000 2.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.224 1.947 0.000
y 1.947 -13.254 0.000
z 0.000 0.000 -11.189
Traceless
 xyz
x 0.998 1.947 0.000
y 1.947 -2.048 0.000
z 0.000 0.000 1.050
Polar
3z2-r22.099
x2-y22.031
xy1.947
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.778 0.470 0.000
y 0.470 2.883 0.000
z 0.000 0.000 1.354


<r2> (average value of r2) Å2
<r2> 15.190
(<r2>)1/2 3.897