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

using model chemistry: B2PLYP=FULLultrafine/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B2PLYP=FULLultrafine/STO-3G
 hartrees
Energy at 0K-5167.674380
Energy at 298.15K 
HF Energy-5167.623018
Nuclear repulsion energy424.954988
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=FULLultrafine/STO-3G
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 3478 3478 1.16      
2 A1 1747 1747 15.21      
3 A1 1288 1288 0.00      
4 A1 660 660 9.08      
5 A1 107 107 0.11      
6 A2 996 996 0.00      
7 A2 397 397 0.00      
8 B1 737 737 17.48      
9 B2 3455 3455 36.48      
10 B2 1441 1441 60.04      
11 B2 856 856 28.28      
12 B2 520 520 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 7840.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7840.8 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=FULLultrafine/STO-3G
ABC
0.28486 0.03304 0.02961

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 1.252
C2 0.000 -0.674 1.252
Br3 0.000 1.773 -0.278
Br4 0.000 -1.773 -0.278
H5 0.000 1.209 2.213
H6 0.000 -1.209 2.213

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.34751.88382.88571.09992.1136
C21.34752.88571.88382.11361.0999
Br31.88382.88573.54662.55363.8853
Br42.88571.88383.54663.88532.5536
H51.09992.11362.55363.88532.4177
H62.11361.09993.88532.55362.4177

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 125.712 C1 C2 H6 119.113
C2 C1 Br3 125.712 C2 C1 H5 119.113
Br3 C1 H5 115.175 Br4 C2 H6 115.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability