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

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-5217.837757
Energy at 298.15K-5217.845503
HF Energy-5217.012613
Nuclear repulsion energy438.049317
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=FULL/6-31G(2df,p)
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 3286 3094 0.36      
2 A1 1680 1582 19.07      
3 A1 1215 1144 1.36      
4 A1 642 605 6.29      
5 A1 119 112 0.06      
6 A2 939 884 0.00      
7 A2 402 379 0.00      
8 B1 720 678 47.15      
9 B2 3263 3073 13.66      
10 B2 1321 1244 32.40      
11 B2 822 774 41.05      
12 B2 496 467 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 7452.9 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 7017.7 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=FULL/6-31G(2df,p)
ABC
0.29094 0.03569 0.03179

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 1.241
C2 0.000 -0.664 1.241
Br3 0.000 1.705 -0.275
Br4 0.000 -1.705 -0.275
H5 0.000 1.207 2.174
H6 0.000 -1.207 2.174

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32721.83902.81211.07962.0905
C21.32722.81211.83902.09051.0796
Br31.83902.81213.40992.49863.8048
Br42.81211.83903.40993.80482.4986
H51.07962.09052.49863.80482.4145
H62.09051.07963.80482.49862.4145

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 124.490 C1 C2 H6 120.233
C2 C1 Br3 124.490 C2 C1 H5 120.233
Br3 C1 H5 115.277 Br4 C2 H6 115.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability