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All results from a given calculation for ClCOClCO (Oxalyl chloride)

using model chemistry: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-1145.377527
Energy at 298.15K-1145.378081
HF Energy-1144.463500
Nuclear repulsion energy324.746469
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 CCSD/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 Ag 1881 1782 0.00      
2 Ag 1129 1070 0.00      
3 Ag 630 597 0.00      
4 Ag 439 416 0.00      
5 Ag 295 279 0.00      
6 Au 398 377 18.47      
7 Au 35 33 0.51      
8 Bg 739 700 0.00      
9 Bu 1895 1795 373.50      
10 Bu 792 750 475.77      
11 Bu 503 477 6.75      
12 Bu 210 199 3.90      

Unscaled Zero Point Vibrational Energy (zpe) 4472.6 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 4236.9 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 CCSD/cc-pVDZ
ABC
0.16345 0.04949 0.03799

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.172 0.760 0.000
C2 0.172 -0.760 0.000
O3 -1.278 1.196 0.000
O4 1.278 -1.196 0.000
Cl5 1.278 1.761 0.000
Cl6 -1.278 -1.761 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55771.18932.43431.76212.7532
C21.55772.43431.18932.75321.7621
O31.18932.43433.50062.61802.9572
O42.43431.18933.50062.95722.6180
Cl51.76212.75322.61802.95724.3525
Cl62.75321.76212.95722.61804.3525

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 124.244 C1 C2 Cl6 111.910
C2 C1 O3 124.244 C2 C1 Cl5 111.910
O3 C1 Cl5 123.846 O4 C2 Cl6 123.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability