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

using model chemistry: B2PLYP=FULLultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-5224.882280
Energy at 298.15K 
HF Energy-5224.595369
Nuclear repulsion energy425.943365
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/TZVP
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 3250 3250 0.18      
2 A1 1630 1630 34.81      
3 A1 1198 1198 1.63      
4 A1 578 578 8.91      
5 A1 108 108 0.03      
6 A2 885 885 0.00      
7 A2 378 378 0.00      
8 B1 692 692 71.47      
9 B2 3229 3229 16.77      
10 B2 1299 1299 49.31      
11 B2 761 761 67.59      
12 B2 471 471 3.17      

Unscaled Zero Point Vibrational Energy (zpe) 7239.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7239.3 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/TZVP
ABC
0.28696 0.03315 0.02972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.662 1.251
C2 0.000 -0.662 1.251
Br3 0.000 1.771 -0.277
Br4 0.000 -1.771 -0.277
H5 0.000 1.211 2.180
H6 0.000 -1.211 2.180

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32501.88732.87311.07922.0915
C21.32502.87311.88732.09151.0792
Br31.88732.87313.54192.51963.8639
Br42.87311.88733.54193.86392.5196
H51.07922.09152.51963.86392.4226
H62.09151.07923.86392.51962.4226

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 125.968 C1 C2 H6 120.569
C2 C1 Br3 125.968 C2 C1 H5 120.569
Br3 C1 H5 113.464 Br4 C2 H6 113.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability