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

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-5228.238239
Energy at 298.15K-5228.245763
HF Energy-5228.238239
Nuclear repulsion energy423.573779
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 B97D3/aug-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 3173 3173 0.75      
2 A1 1585 1585 40.31      
3 A1 1139 1139 1.84      
4 A1 566 566 8.68      
5 A1 106 106 0.03      
6 A2 836 836 0.00      
7 A2 366 366 0.00      
8 B1 656 656 58.27      
9 B2 3151 3151 13.83      
10 B2 1236 1236 49.15      
11 B2 735 735 70.36      
12 B2 463 463 4.55      

Unscaled Zero Point Vibrational Energy (zpe) 7005.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7005.1 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 B97D3/aug-cc-pVDZ
ABC
0.28419 0.03277 0.02938

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.670 1.256
C2 0.000 -0.670 1.256
Br3 0.000 1.781 -0.278
Br4 0.000 -1.781 -0.278
H5 0.000 1.229 2.195
H6 0.000 -1.229 2.195

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33991.89422.89141.09282.1183
C21.33992.89141.89422.11831.0928
Br31.89422.89143.56172.53423.8956
Br42.89141.89423.56173.89562.5342
H51.09282.11832.53423.89562.4576
H62.11831.09283.89562.53422.4576

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 125.908 C1 C2 H6 120.757
C2 C1 Br3 125.908 C2 C1 H5 120.757
Br3 C1 H5 113.335 Br4 C2 H6 113.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.335      
2 C 0.335      
3 Br 0.227      
4 Br 0.227      
5 H -0.563      
6 H -0.563      


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 1.650 1.650
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.400 0.000 0.000
y 0.000 -48.705 0.000
z 0.000 0.000 -42.592
Traceless
 xyz
x -4.751 0.000 0.000
y 0.000 -2.209 0.000
z 0.000 0.000 6.960
Polar
3z2-r213.920
x2-y2-1.694
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.242 0.000 0.000
y 0.000 13.867 0.000
z 0.000 0.000 10.023


<r2> (average value of r2) Å2
<r2> 293.891
(<r2>)1/2 17.143