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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-5228.259805
Energy at 298.15K-5228.267340
HF Energy-5228.259805
Nuclear repulsion energy424.971351
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 B97D3/6-311+G(3df,2p)
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 3159 3118 0.53      
2 A1 1578 1558 37.33      
3 A1 1150 1135 1.48      
4 A1 565 557 8.10      
5 A1 106 104 0.03      
6 A2 854 843 0.00      
7 A2 372 367 0.00      
8 B1 659 650 57.01      
9 B2 3137 3096 13.71      
10 B2 1248 1232 48.10      
11 B2 736 726 68.49      
12 B2 464 458 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 7013.6 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 6922.4 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 B97D3/6-311+G(3df,2p)
ABC
0.28775 0.03291 0.02953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 1.249
C2 0.000 -0.665 1.249
Br3 0.000 1.777 -0.276
Br4 0.000 -1.777 -0.276
H5 0.000 1.219 2.181
H6 0.000 -1.219 2.181

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33011.88752.87941.08432.1017
C21.33012.87941.88752.10171.0843
Br31.88752.87943.55492.52003.8748
Br42.87941.88753.55493.87482.5200
H51.08432.10172.52003.87482.4371
H62.10171.08433.87482.52002.4371

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 126.111 C1 C2 H6 120.696
C2 C1 Br3 126.111 C2 C1 H5 120.696
Br3 C1 H5 113.193 Br4 C2 H6 113.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.090      
3 Br -0.049      
4 Br -0.049      
5 H 0.139      
6 H 0.139      


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 1.611 1.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.212 0.000 0.000
y 0.000 -48.588 0.000
z 0.000 0.000 -42.692
Traceless
 xyz
x -4.572 0.000 0.000
y 0.000 -2.136 0.000
z 0.000 0.000 6.708
Polar
3z2-r213.416
x2-y2-1.624
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.353 0.000 0.000
y 0.000 13.886 0.000
z 0.000 0.000 9.982


<r2> (average value of r2) Å2
<r2> 292.446
(<r2>)1/2 17.101