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

using model chemistry: MP3=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at MP3=FULL/Def2TZVPP
 hartrees
Energy at 0K-5222.773669
Energy at 298.15K-5222.781373
HF Energy-5221.726876
Nuclear repulsion energy430.447164
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 MP3=FULL/Def2TZVPP
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 3288 3288 0.11      
2 A1 1678 1678 25.56      
3 A1 1213 1213 2.35      
4 A1 613 613 6.47      
5 A1 112 112 0.05      
6 A2 957 957 0.00      
7 A2 394 394 0.00      
8 B1 724 724 57.61      
9 B2 3263 3263 15.55      
10 B2 1328 1328 41.34      
11 B2 795 795 48.11      
12 B2 490 490 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 7427.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7427.2 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 MP3=FULL/Def2TZVPP
ABC
0.29026 0.03399 0.03043

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.661 1.243
C2 0.000 -0.661 1.243
Br3 0.000 1.749 -0.275
Br4 0.000 -1.749 -0.275
H5 0.000 1.203 2.171
H6 0.000 -1.203 2.171

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32291.86742.84841.07392.0823
C21.32292.84841.86742.08231.0739
Br31.86742.84843.49702.50583.8331
Br42.84841.86743.49703.83312.5058
H51.07392.08232.50583.83312.4060
H62.08231.07393.83312.50582.4060

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 125.601 C1 C2 H6 120.287
C2 C1 Br3 125.601 C2 C1 H5 120.287
Br3 C1 H5 114.112 Br4 C2 H6 114.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability