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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-111.690870
Energy at 298.15K-111.690724
HF Energy-111.690870
Nuclear repulsion energy25.235145
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 HF/STO-3G
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' 4066 3320 3.52 59.44 0.30 0.47
2 A' 1552 1267 40.13 7.94 0.32 0.49
3 A' 1377 1124 141.08 4.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3497.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 2855.7 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 HF/STO-3G
ABC
21.72249 1.32356 1.24755

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.813 0.000
O2 0.062 -0.501 0.000
H3 -0.865 -0.868 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.31391.9190
O21.31390.9964
H31.91900.9964

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 O -0.286      
3 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.477 -1.344 0.000 1.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.165 1.194 0.000
y 1.194 -12.194 0.000
z 0.000 0.000 -9.289
Traceless
 xyz
x 1.577 1.194 0.000
y 1.194 -2.967 0.000
z 0.000 0.000 1.390
Polar
3z2-r22.781
x2-y23.029
xy1.194
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.980 0.351 0.000
y 0.351 1.270 0.000
z 0.000 0.000 0.668


<r2> (average value of r2) Å2
<r2> 13.908
(<r2>)1/2 3.729