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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-5221.617900
Energy at 298.15K-5221.625704
HF Energy-5221.617900
Nuclear repulsion energy426.581929
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 HF/6-311G*
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 3403 3078 4.13      
2 A1 1794 1623 32.23      
3 A1 1304 1179 3.12      
4 A1 618 559 9.99      
5 A1 118 107 0.07      
6 A2 1044 944 0.00      
7 A2 418 378 0.00      
8 B1 772 698 75.94      
9 B2 3378 3055 13.47      
10 B2 1418 1282 65.82      
11 B2 820 742 72.45      
12 B2 507 459 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 7796.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 7051.1 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 HF/6-311G*
ABC
0.29407 0.03296 0.02964

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.655 1.234
C2 0.000 -0.655 1.234
Br3 0.000 1.777 -0.273
Br4 0.000 -1.777 -0.273
H5 0.000 1.193 2.162
H6 0.000 -1.193 2.162

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.31081.87892.86151.07172.0677
C21.31082.86151.87892.06771.0717
Br31.87892.86153.55332.50403.8401
Br42.86151.87893.55333.84012.5040
H51.07172.06772.50403.84012.3855
H62.06771.07173.84012.50402.3855

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 126.636 C1 C2 H6 120.092
C2 C1 Br3 126.636 C2 C1 H5 120.092
Br3 C1 H5 113.272 Br4 C2 H6 113.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.298      
2 C -0.298      
3 Br 0.014      
4 Br 0.014      
5 H 0.284      
6 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.037 2.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.172 0.000 0.000
y 0.000 -49.342 0.000
z 0.000 0.000 -42.570
Traceless
 xyz
x -5.216 0.000 0.000
y 0.000 -2.471 0.000
z 0.000 0.000 7.687
Polar
3z2-r215.373
x2-y2-1.830
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.838 0.000 0.000
y 0.000 10.808 0.000
z 0.000 0.000 7.463


<r2> (average value of r2) Å2
<r2> 291.603
(<r2>)1/2 17.076