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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-113.692052
Energy at 298.15K 
HF Energy-113.599012
Nuclear repulsion energy25.765552
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 B2PLYP=FULLultrafine/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' 3388 3247 28.60 353.81 0.31 0.48
2 A' 1397 1338 51.00 5.73 0.75 0.85
3 A' 1143 1095 93.05 24.34 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 2963.9 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 2840.0 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 B2PLYP=FULLultrafine/cc-pVDZ
ABC
22.47421 1.38420 1.30389

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.061 0.795 0.000
O2 0.061 -0.488 0.000
H3 -0.851 -0.865 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.28291.8937
O21.28290.9869
H31.89370.9869

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H3 112.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 O -0.046      
3 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.640 -2.195 0.000 2.740
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.844 1.476 -0.000
y 1.476 -13.212 -0.005
z -0.000 -0.005 -11.028
Traceless
 xyz
x 1.277 1.476 -0.000
y 1.476 -2.276 -0.005
z -0.000 -0.005 1.000
Polar
3z2-r22.000
x2-y22.369
xy1.476
xz-0.000
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.775 0.392 0.000
y 0.392 2.556 -0.000
z 0.000 -0.000 1.401


<r2> (average value of r2) Å2
<r2> 14.525
(<r2>)1/2 3.811