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

using model chemistry: MP3=FULL/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-5222.724081
Energy at 298.15K-5222.731798
HF Energy-5221.817926
Nuclear repulsion energy431.022780
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-pVTZ
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 3304 3081 0.21      
2 A1 1690 1576 25.19      
3 A1 1217 1135 2.40      
4 A1 611 570 6.51      
5 A1 111 104 0.05      
6 A2 965 900 0.00      
7 A2 399 372 0.00      
8 B1 730 681 58.46      
9 B2 3272 3051 16.22      
10 B2 1332 1242 42.01      
11 B2 790 737 48.96      
12 B2 488 455 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 7453.8 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 6951.4 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-pVTZ
ABC
0.29158 0.03405 0.03049

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.660 1.240
C2 0.000 -0.660 1.240
Br3 0.000 1.747 -0.275
Br4 0.000 -1.747 -0.275
H5 0.000 1.199 2.166
H6 0.000 -1.199 2.166

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32041.86432.84421.07092.0766
C21.32042.84421.86432.07661.0709
Br31.86432.84423.49392.50143.8252
Br42.84421.86433.49393.82522.5014
H51.07092.07662.50143.82522.3972
H62.07661.07093.82522.50142.3972

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 125.654 C1 C2 H6 120.181
C2 C1 Br3 125.654 C2 C1 H5 120.181
Br3 C1 H5 114.165 Br4 C2 H6 114.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability