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

using model chemistry: MP3/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/cc-pVDZ
 hartrees
Energy at 0K-5222.192728
Energy at 298.15K-5222.200376
HF Energy-5221.640103
Nuclear repulsion energy425.443092
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/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 3282 3111 0.93      
2 A1 1679 1591 26.13      
3 A1 1193 1131 2.39      
4 A1 600 569 7.56      
5 A1 111 105 0.05      
6 A2 911 864 0.00      
7 A2 380 360 0.00      
8 B1 702 665 57.96      
9 B2 3259 3090 13.12      
10 B2 1305 1237 43.14      
11 B2 778 738 49.42      
12 B2 480 455 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 7340.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 6957.6 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/cc-pVDZ
ABC
0.28580 0.03310 0.02967

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.670 1.251
C2 0.000 -0.670 1.251
Br3 0.000 1.772 -0.277
Br4 0.000 -1.772 -0.277
H5 0.000 1.217 2.197
H6 0.000 -1.217 2.197

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.34021.88442.88091.09242.1109
C21.34022.88091.88442.11091.0924
Br31.88442.88093.54352.53563.8802
Br42.88091.88443.54353.88022.5356
H51.09242.11092.53563.88022.4346
H62.11091.09243.88022.53562.4346

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 125.776 C1 C2 H6 120.063
C2 C1 Br3 125.776 C2 C1 H5 120.063
Br3 C1 H5 114.160 Br4 C2 H6 114.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability