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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-113.687199
Energy at 298.15K-113.687045
HF Energy-113.687199
Nuclear repulsion energy26.018105
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 PBE1PBE/6-311G**
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' 3388 3251 41.64 519.28 0.33 0.49
2 A' 1428 1370 53.78 12.89 0.54 0.70
3 A' 1140 1093 85.35 41.75 0.46 0.63

Unscaled Zero Point Vibrational Energy (zpe) 2977.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2857.0 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 PBE1PBE/6-311G**
ABC
23.29327 1.41077 1.33021

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.787 0.000
O2 0.060 -0.481 0.000
H3 -0.838 -0.878 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.26821.8922
O21.26820.9819
H31.89220.9819

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.089      
2 O -0.176      
3 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.685 -2.223 0.000 2.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.949 1.580 0.000
y 1.580 -13.263 0.000
z 0.000 0.000 -11.127
Traceless
 xyz
x 1.246 1.580 0.000
y 1.580 -2.224 0.000
z 0.000 0.000 0.978
Polar
3z2-r21.957
x2-y22.314
xy1.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.925 0.420 0.000
y 0.420 2.685 0.000
z 0.000 0.000 1.506


<r2> (average value of r2) Å2
<r2> 14.451
(<r2>)1/2 3.801