return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-573.825586
Energy at 298.15K-573.826671
HF Energy-573.825586
Nuclear repulsion energy86.826527
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/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' 2976 2959 28.03      
2 A' 1817 1806 327.72      
3 A' 1253 1245 23.09      
4 A' 705 701 186.74      
5 A' 434 432 12.74      
6 A" 900 894 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 4041.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 4018.4 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/cc-pVDZ
ABC
2.56025 0.19702 0.18294

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.812 0.000
O2 1.132 1.189 0.000
Cl3 -0.478 -0.931 0.000
H4 -0.924 1.436 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.19331.80651.1152
O21.19332.66202.0705
Cl31.80652.66202.4085
H41.11522.07052.4085

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 123.804 O2 C1 H4 127.468
Cl3 C1 H4 108.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 O -0.086      
3 Cl -0.092      
4 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.428 0.860 0.000 1.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.710 -2.335 0.000
y -2.335 -22.957 0.000
z 0.000 0.000 -23.085
Traceless
 xyz
x -1.689 -2.335 0.000
y -2.335 0.940 0.000
z 0.000 0.000 0.749
Polar
3z2-r21.497
x2-y2-1.753
xy-2.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.428 1.022 0.000
y 1.022 5.093 0.000
z 0.000 0.000 1.779


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