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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-5222.211445
Energy at 298.15K-5222.219100
HF Energy-5221.640203
Nuclear repulsion energy425.835744
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/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 3287 3091 0.92      
2 A1 1682 1581 26.11      
3 A1 1195 1123 2.37      
4 A1 602 566 7.42      
5 A1 111 104 0.05      
6 A2 917 862 0.00      
7 A2 382 360 0.00      
8 B1 704 662 58.01      
9 B2 3264 3069 13.14      
10 B2 1305 1227 42.78      
11 B2 779 733 49.34      
12 B2 482 453 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 7354.7 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 6915.7 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 MP3=FULL/cc-pVDZ
ABC
0.28634 0.03317 0.02972

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.670 1.250
C2 0.000 -0.670 1.250
Br3 0.000 1.770 -0.277
Br4 0.000 -1.770 -0.277
H5 0.000 1.216 2.195
H6 0.000 -1.216 2.195

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33931.88252.87841.09152.1092
C21.33932.87841.88252.10921.0915
Br31.88252.87843.54022.53353.8767
Br42.87841.88253.54023.87672.5335
H51.09152.10922.53353.87672.4321
H62.10921.09153.87672.53352.4321

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 125.774 C1 C2 H6 120.042
C2 C1 Br3 125.774 C2 C1 H5 120.042
Br3 C1 H5 114.184 Br4 C2 H6 114.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability