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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-113.700009
Energy at 298.15K-113.699839
HF Energy-113.700009
Nuclear repulsion energy25.846999
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 PBEPBE/6-311+G(3df,2p)
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' 2941 2917 265.42 1709.87 0.37 0.54
2 A' 1342 1331 7.92 101.63 0.46 0.63
3 A' 1055 1047 53.38 244.86 0.40 0.57

Unscaled Zero Point Vibrational Energy (zpe) 2669.0 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 2647.1 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 PBEPBE/6-311+G(3df,2p)
ABC
23.04995 1.39632 1.31656

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.792 0.000
O2 0.060 -0.479 0.000
H3 -0.845 -0.913 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27101.9303
O21.27101.0039
H31.93031.0039

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H3 115.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 O -0.180      
3 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.488 -2.258 0.000 2.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.565 1.507 0.000
y 1.507 -13.568 0.000
z 0.000 0.000 -11.620
Traceless
 xyz
x 1.029 1.507 0.000
y 1.507 -1.975 0.000
z 0.000 0.000 0.946
Polar
3z2-r21.892
x2-y22.003
xy1.507
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.025 0.621 0.000
y 0.621 3.948 0.000
z 0.000 0.000 2.241


<r2> (average value of r2) Å2
<r2> 14.849
(<r2>)1/2 3.853