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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-113.738769
Energy at 298.15K-113.738598
HF Energy-113.738769
Nuclear repulsion energy25.199355
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/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' 3136 3017 52.37 613.42 0.33 0.50
2 A' 1278 1229 28.70 10.83 0.61 0.76
3 A' 1092 1050 138.88 40.66 0.49 0.66

Unscaled Zero Point Vibrational Energy (zpe) 2752.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 2648.2 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/6-31G
ABC
25.34250 1.30316 1.23943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.820 0.000
O2 0.058 -0.491 0.000
H3 -0.809 -0.988 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.31072.0050
O21.31070.9991
H32.00500.9991

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.105      
2 O -0.495      
3 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.891 -1.973 0.000 2.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.936 1.863 0.000
y 1.863 -12.869 0.000
z 0.000 0.000 -10.970
Traceless
 xyz
x 0.983 1.863 0.000
y 1.863 -1.916 0.000
z 0.000 0.000 0.932
Polar
3z2-r21.865
x2-y21.933
xy1.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.676 0.543 0.000
y 0.543 2.745 0.000
z 0.000 0.000 1.224


<r2> (average value of r2) Å2
<r2> 14.878
(<r2>)1/2 3.857