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: ROHF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/aug-cc-pVQZ
 hartrees
Energy at 0K-572.879724
Energy at 298.15K-572.880954
HF Energy-572.879724
Nuclear repulsion energy89.467902
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 ROHF/aug-cc-pVQZ
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' 3235 3235 17.96      
2 A' 2012 2012 468.28      
3 A' 1460 1460 49.53      
4 A' 809 809 242.31      
5 A' 506 506 6.80      
6 A" 1072 1072 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 4547.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4547.5 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 ROHF/aug-cc-pVQZ
ABC
2.68530 0.20970 0.19451

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.791 0.000
O2 1.101 1.145 0.000
Cl3 -0.467 -0.902 0.000
H4 -0.877 1.427 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.15651.75611.0832
O21.15652.57811.9979
Cl31.75612.57812.3650
H41.08321.99792.3650

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 123.220 O2 C1 H4 126.223
Cl3 C1 H4 110.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.050      
2 O -0.491      
3 Cl -0.063      
4 H 0.504      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.992 0.660 0.000 2.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.897 -3.139 0.000
y -3.139 -23.323 0.000
z 0.000 0.000 -23.400
Traceless
 xyz
x -2.535 -3.139 0.000
y -3.139 1.326 0.000
z 0.000 0.000 1.210
Polar
3z2-r22.419
x2-y2-2.574
xy-3.139
xz0.000
yz0.000


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


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