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 ClCOClCO (Oxalyl chloride)

using model chemistry: B2PLYP=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-1146.703919
Energy at 298.15K 
HF Energy-1146.351902
Nuclear repulsion energy324.540154
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 B2PLYP=FULL/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1821 1737 0.00      
2 Ag 1054 1005 0.00      
3 Ag 609 581 0.00      
4 Ag 425 405 0.00      
5 Ag 285 272 0.00      
6 Au 383 366 17.37      
7 Au 10i 10i 0.76      
8 Bg 715 682 0.00      
9 Bu 1850 1765 417.32      
10 Bu 756 721 524.07      
11 Bu 490 468 10.84      
12 Bu 207 197 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 4291.6 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 4095.0 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 B2PLYP=FULL/TZVP
ABC
0.16416 0.04924 0.03788

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.176 0.757 0.000
C2 0.176 -0.757 0.000
O3 -1.277 1.191 0.000
O4 1.277 -1.191 0.000
Cl5 1.277 1.769 0.000
Cl6 -1.277 -1.769 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55491.18362.43031.77062.7563
C21.55492.43031.18362.75631.7706
O31.18362.43033.49232.61882.9602
O42.43031.18363.49232.96022.6188
Cl51.77062.75632.61882.96024.3642
Cl62.75631.77062.96022.61884.3642

picture of Oxalyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 124.553 C1 C2 Cl6 111.795
C2 C1 O3 124.553 C2 C1 Cl5 111.795
O3 C1 Cl5 123.652 O4 C2 Cl6 123.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability