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

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-5220.193978
Energy at 298.15K-5220.201663
HF Energy-5219.934231
Nuclear repulsion energy435.265751
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 B2PLYP=FULL/6-31G(2df,p)
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 3258 3258 0.34      
2 A1 1638 1638 24.19      
3 A1 1195 1195 1.26      
4 A1 622 622 7.58      
5 A1 113 113 0.05      
6 A2 910 910 0.00      
7 A2 396 396 0.00      
8 B1 705 705 47.38      
9 B2 3236 3236 14.32      
10 B2 1297 1297 35.57      
11 B2 797 797 51.10      
12 B2 487 487 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 7326.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7326.7 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 B2PLYP=FULL/6-31G(2df,p)
ABC
0.28935 0.03513 0.03133

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 1.245
C2 0.000 -0.665 1.245
Br3 0.000 1.719 -0.276
Br4 0.000 -1.719 -0.276
H5 0.000 1.213 2.176
H6 0.000 -1.213 2.176

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32971.85002.82721.08072.0962
C21.32972.82721.85002.09621.0807
Br31.85002.82723.43762.50333.8219
Br42.82721.85003.43763.82192.5033
H51.08072.09622.50333.82192.4263
H62.09621.08073.82192.50332.4263

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 124.729 C1 C2 H6 120.491
C2 C1 Br3 124.729 C2 C1 H5 120.491
Br3 C1 H5 114.780 Br4 C2 H6 114.780
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability