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/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1146.542118
Energy at 298.15K-1146.542532
HF Energy-1146.231485
Nuclear repulsion energy324.955095
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/6-31+G**
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 1814 1726 0.00      
2 Ag 1083 1030 0.00      
3 Ag 617 586 0.00      
4 Ag 429 408 0.00      
5 Ag 289 275 0.00      
6 Au 386 367 17.63      
7 Au 7 7 1.00      
8 Bg 712 677 0.00      
9 Bu 1841 1750 419.84      
10 Bu 774 736 522.63      
11 Bu 495 471 7.56      
12 Bu 206 196 4.36      

Unscaled Zero Point Vibrational Energy (zpe) 4326.4 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 4114.4 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 B2PLYP=FULL/6-31+G**
ABC
0.16371 0.04957 0.03805

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.166 0.759 0.000
C2 0.166 -0.759 0.000
O3 -1.277 1.198 0.000
O4 1.277 -1.198 0.000
Cl5 1.277 1.760 0.000
Cl6 -1.277 -1.760 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55311.19462.43081.75592.7524
C21.55312.43081.19462.75241.7559
O31.19462.43083.50142.61472.9574
O42.43081.19463.50142.95742.6147
Cl51.75592.75242.61472.95744.3481
Cl62.75241.75592.95742.61474.3481

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 123.899 C1 C2 Cl6 112.426
C2 C1 O3 123.899 C2 C1 Cl5 112.426
O3 C1 Cl5 123.675 O4 C2 Cl6 123.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability