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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-113.807412
Energy at 298.15K-113.807254
HF Energy-113.807412
Nuclear repulsion energy25.809867
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/aug-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' 3285 3187 53.20 851.87 0.33 0.50
2 A' 1369 1329 44.32 30.08 0.51 0.68
3 A' 1129 1096 87.00 75.40 0.39 0.56

Unscaled Zero Point Vibrational Energy (zpe) 2891.5 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 2805.9 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/aug-cc-pVDZ
ABC
23.12445 1.38702 1.30853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.794 0.000
O2 0.060 -0.484 0.000
H3 -0.841 -0.891 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27841.9115
O21.27840.9893
H31.91150.9893

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 O -0.114      
3 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.558 -2.172 0.000 2.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.461 1.580 0.000
y 1.580 -13.589 0.000
z 0.000 0.000 -11.554
Traceless
 xyz
x 1.111 1.580 0.000
y 1.580 -2.082 0.000
z 0.000 0.000 0.971
Polar
3z2-r21.942
x2-y22.128
xy1.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.853 0.432 0.000
y 0.432 3.500 0.000
z 0.000 0.000 2.196


<r2> (average value of r2) Å2
<r2> 14.834
(<r2>)1/2 3.851