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All results from a given calculation for COHCl (Formyl chloride)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-36.359564
Energy at 298.15K-36.360754
HF Energy-36.359564
Nuclear repulsion energy32.200194
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/CEP-121G
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' 3304 3015 14.97      
2 A' 1864 1701 491.02      
3 A' 1450 1324 74.23      
4 A' 766 699 238.80      
5 A' 479 437 8.31      
6 A" 1026 936 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 4444.6 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 4055.7 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/CEP-121G
ABC
2.52364 0.19725 0.18295

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.822 0.000
O2 1.143 1.172 0.000
Cl3 -0.487 -0.927 0.000
H4 -0.871 1.461 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.19531.81551.0807
O21.19532.65752.0348
Cl31.81552.65752.4192
H41.08072.03482.4192

picture of Formyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Cl3 122.586 O2 C1 H4 126.691
Cl3 C1 H4 110.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.030      
2 O -0.162      
3 Cl -0.066      
4 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.249 1.373 0.000 2.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.169 -4.063 0.000
y -4.063 -23.818 0.000
z 0.000 0.000 -22.991
Traceless
 xyz
x -2.764 -4.063 0.000
y -4.063 0.761 0.000
z 0.000 0.000 2.003
Polar
3z2-r24.005
x2-y2-2.350
xy-4.063
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.303 1.181 0.000
y 1.181 4.621 0.000
z 0.000 0.000 1.442


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000