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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-113.663766
Energy at 298.15K-113.663595
HF Energy-113.663766
Nuclear repulsion energy25.649610
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 PBEPBEultrafine/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' 2819 2803 281.70 1254.41 0.33 0.49
2 A' 1332 1324 8.92 65.95 0.42 0.59
3 A' 1048 1042 41.27 191.02 0.39 0.56

Unscaled Zero Point Vibrational Energy (zpe) 2599.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2584.1 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 PBEPBEultrafine/cc-pVDZ
ABC
22.02207 1.37965 1.29831

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.796 0.000
O2 0.062 -0.484 0.000
H3 -0.863 -0.902 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.28061.9333
O21.28061.0145
H31.93331.0145

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 O -0.007      
3 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.514 -2.214 0.000 2.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.935 1.339 0.000
y 1.339 -13.091 0.000
z 0.000 0.000 -11.044
Traceless
 xyz
x 1.132 1.339 0.000
y 1.339 -2.101 0.000
z 0.000 0.000 0.969
Polar
3z2-r21.938
x2-y22.155
xy1.339
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.985 0.682 0.000
y 0.682 3.036 0.000
z 0.000 0.000 1.424


<r2> (average value of r2) Å2
<r2> 14.593
(<r2>)1/2 3.820