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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-570.951704
Energy at 298.15K-570.952681
HF Energy-570.951704
Nuclear repulsion energy83.309083
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/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' 3049 3021 13.61      
2 A' 1768 1752 281.70      
3 A' 1244 1233 31.21      
4 A' 617 611 170.89      
5 A' 375 371 17.58      
6 A" 888 879 9.64      

Unscaled Zero Point Vibrational Energy (zpe) 3970.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3934.3 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 PBEPBE/3-21G
ABC
2.47623 0.17758 0.16569

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.882 0.000
O2 1.136 1.280 0.000
Cl3 -0.478 -0.997 0.000
H4 -0.962 1.412 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.20381.93801.0982
O21.20382.79062.1017
Cl31.93802.79062.4565
H41.09822.10172.4565

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 123.611 O2 C1 H4 131.797
Cl3 C1 H4 104.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 O -0.294      
3 Cl -0.061      
4 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.252 1.902 0.000 2.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.017 -2.760 0.000
y -2.760 -23.680 0.000
z 0.000 0.000 -23.618
Traceless
 xyz
x -1.368 -2.760 0.000
y -2.760 0.637 0.000
z 0.000 0.000 0.731
Polar
3z2-r21.462
x2-y2-1.336
xy-2.760
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.908 1.231 0.000
y 1.231 5.208 0.000
z 0.000 0.000 1.182


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