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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-113.787734
Energy at 298.15K-113.787579
HF Energy-113.787734
Nuclear repulsion energy26.028252
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 wB97X-D/TZVP
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' 3467 3311 28.22 409.09 0.33 0.50
2 A' 1432 1367 83.67 8.43 0.63 0.77
3 A' 1137 1086 93.03 32.30 0.49 0.66

Unscaled Zero Point Vibrational Energy (zpe) 3017.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 2881.9 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 wB97X-D/TZVP
ABC
23.70703 1.40901 1.32996

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.059 0.788 0.000
O2 0.059 -0.480 0.000
H3 -0.831 -0.887 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.26811.8968
O21.26810.9791
H31.89680.9791

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 O -0.198      
3 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.731 -2.277 0.000 2.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.149 1.721 0.000
y 1.721 -13.505 0.000
z 0.000 0.000 -11.295
Traceless
 xyz
x 1.251 1.721 0.000
y 1.721 -2.283 0.000
z 0.000 0.000 1.032
Polar
3z2-r22.064
x2-y22.356
xy1.721
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.224 0.360 0.000
y 0.360 2.927 0.000
z 0.000 0.000 1.716


<r2> (average value of r2) Å2
<r2> 14.580
(<r2>)1/2 3.818