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

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-569.946206
Energy at 298.15K-569.947292
HF Energy-569.946206
Nuclear repulsion energy85.549840
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/3-21G
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' 3344 3029 9.23      
2 A' 1964 1778 432.77      
3 A' 1409 1276 121.41      
4 A' 671 608 260.24      
5 A' 415 375 29.39      
6 A" 1032 935 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 4417.3 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 4000.3 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/3-21G
ABC
2.53076 0.18843 0.17537

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.866 0.000
O2 1.115 1.226 0.000
Cl3 -0.471 -0.966 0.000
H4 -0.918 1.419 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.17151.89211.0716
O21.17152.70582.0423
Cl31.89212.70582.4265
H41.07162.04232.4265

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 122.295 O2 C1 H4 131.085
Cl3 C1 H4 106.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.226      
2 O -0.429      
3 Cl -0.093      
4 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.787 2.030 0.000 2.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.148 -3.682 0.000
y -3.682 -24.510 0.000
z 0.000 0.000 -23.837
Traceless
 xyz
x -1.975 -3.682 0.000
y -3.682 0.483 0.000
z 0.000 0.000 1.491
Polar
3z2-r22.983
x2-y2-1.639
xy-3.682
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.758 1.077 0.000
y 1.077 4.688 0.000
z 0.000 0.000 1.075


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