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All results from a given calculation for CHBrCHBr (Ethene, 1,2-dibromo-, (Z)-)

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-5222.235865
Energy at 298.15K-5222.243487
HF Energy-5221.648174
Nuclear repulsion energy425.725948
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 CCD/aug-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 A1 3251 3135 0.64      
2 A1 1658 1599 26.13      
3 A1 1176 1135 3.00      
4 A1 598 576 6.59      
5 A1 111 107 0.06      
6 A2 890 858 0.00      
7 A2 368 355 0.00      
8 B1 686 662 54.33      
9 B2 3227 3113 13.60      
10 B2 1290 1244 45.04      
11 B2 776 748 44.94      
12 B2 478 461 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 7253.9 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 6996.4 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 CCD/aug-cc-pVDZ
ABC
0.28389 0.03326 0.02977

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 1.256
C2 0.000 -0.671 1.256
Br3 0.000 1.767 -0.278
Br4 0.000 -1.767 -0.278
H5 0.000 1.223 2.199
H6 0.000 -1.223 2.199

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.34221.88612.88131.09232.1158
C21.34222.88131.88612.11581.0923
Br31.88612.88133.53492.53633.8834
Br42.88131.88613.53493.88342.5363
H51.09232.11582.53633.88342.4464
H62.11581.09233.88342.53632.4464

picture of Ethene, 1,2-dibromo-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 125.541 C1 C2 H6 120.361
C2 C1 Br3 125.541 C2 C1 H5 120.361
Br3 C1 H5 114.098 Br4 C2 H6 114.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability