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

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-5217.078777
Energy at 298.15K-5217.086487
HF Energy-5216.642948
Nuclear repulsion energy430.476761
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3350 3095 0.74      
2 A1 1745 1612 24.21      
3 A1 1247 1151 2.43      
4 A1 607 561 9.62      
5 A1 121 112 0.06      
6 A2 968 894 0.00      
7 A2 393 363 0.00      
8 B1 745 688 61.87      
9 B2 3328 3074 14.19      
10 B2 1358 1254 42.64      
11 B2 795 734 51.29      
12 B2 488 451 3.16      

Unscaled Zero Point Vibrational Energy (zpe) 7572.3 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 6994.5 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 CID/6-31G*
ABC
0.28266 0.03437 0.03064

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.661 1.262
C2 0.000 -0.661 1.262
Br3 0.000 1.739 -0.279
Br4 0.000 -1.739 -0.279
H5 0.000 1.216 2.187
H6 0.000 -1.216 2.187

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32161.88012.85131.07872.0921
C21.32162.85131.88012.09211.0787
Br31.88012.85133.47712.52043.8479
Br42.85131.88013.47713.84792.5204
H51.07872.09212.52043.84792.4313
H62.09211.07873.84792.52042.4313

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 124.977 C1 C2 H6 120.955
C2 C1 Br3 124.977 C2 C1 H5 120.955
Br3 C1 H5 114.068 Br4 C2 H6 114.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability