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 COFCl (Carbonic chloride fluoride)

using model chemistry: MP2/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 MP2/CEP-121G
 hartrees
Energy at 0K-59.988257
Energy at 298.15K-59.988831
HF Energy-59.600413
Nuclear repulsion energy56.213666
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 MP2/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' 1691 1650 317.63      
2 A' 923 901 445.81      
3 A' 653 638 63.77      
4 A' 445 435 0.34      
5 A' 362 353 3.05      
6 A" 568 554 20.49      

Unscaled Zero Point Vibrational Energy (zpe) 2321.2 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 2265.4 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 MP2/CEP-121G
ABC
0.35133 0.15731 0.10866

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.533 0.000
O2 -0.781 1.475 0.000
Cl3 -0.385 -1.248 0.000
F4 1.423 0.691 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 F4
C11.22451.82181.4314
O21.22452.75192.3394
Cl31.82182.75192.6512
F41.43142.33942.6512

picture of Carbonic chloride fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Cl3 128.130 O2 C1 F4 123.300
Cl3 C1 F4 108.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability