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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: B1B95/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/CEP-121G
 hartrees
Energy at 0K-50.153892
Energy at 298.15K-50.161871
Nuclear repulsion energy128.379934
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 B1B95/CEP-121G
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 3219 3219 6.11      
2 A1 3203 3203 20.52      
3 A1 3177 3177 0.03      
4 A1 1625 1625 31.36      
5 A1 1496 1496 43.50      
6 A1 1203 1203 0.01      
7 A1 1086 1086 17.78      
8 A1 1031 1031 22.91      
9 A1 999 999 14.26      
10 A1 667 667 20.01      
11 A1 307 307 1.95      
12 A2 1010 1010 0.00      
13 A2 869 869 0.00      
14 A2 412 412 0.00      
15 B1 1032 1032 0.53      
16 B1 939 939 4.19      
17 B1 764 764 103.26      
18 B1 682 682 5.07      
19 B1 464 464 8.39      
20 B1 166 166 0.53      
21 B2 3213 3213 17.32      
22 B2 3187 3187 11.51      
23 B2 1635 1635 2.09      
24 B2 1465 1465 9.10      
25 B2 1361 1361 0.76      
26 B2 1328 1328 0.30      
27 B2 1190 1190 0.04      
28 B2 1094 1094 5.60      
29 B2 611 611 0.32      
30 B2 231 231 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19832.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19832.3 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 B1B95/CEP-121G
ABC
0.18597 0.03194 0.02726

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.837
C2 0.000 0.000 -0.116
C3 0.000 1.227 -0.800
C4 0.000 -1.227 -0.800
C5 0.000 1.219 -2.209
C6 0.000 -1.219 -2.209
C7 0.000 0.000 -2.914
H8 0.000 2.163 -0.250
H9 0.000 -2.163 -0.250
H10 0.000 2.163 -2.748
H11 0.000 -2.163 -2.748
H12 0.000 0.000 -4.001

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.95222.90782.90784.22494.22494.75093.00493.00495.06865.06865.8376
C21.95221.40501.40502.42202.42202.79872.16702.16703.40643.40643.8854
C32.90781.40502.45471.40932.82282.44521.08533.43462.16093.90983.4287
C42.90781.40502.45472.82281.40932.44523.43461.08533.90982.16093.4287
C54.22492.42201.40932.82282.43711.40812.17503.90811.08703.42392.1672
C64.22492.42202.82281.40932.43711.40813.90812.17503.42391.08702.1672
C74.75092.79872.44522.44521.40811.40813.43223.43222.16912.16911.0866
H83.00492.16701.08533.43462.17503.90813.43224.32582.49804.99514.3304
H93.00492.16703.43461.08533.90812.17503.43224.32584.99512.49804.3304
H105.06863.40642.16093.90981.08703.42392.16912.49804.99514.32542.4997
H115.06863.40643.90982.16093.42391.08702.16914.99512.49804.32542.4997
H125.83763.88543.42873.42872.16722.16721.08664.33044.33042.49972.4997

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.127 Br1 C2 C4 119.127
C2 C3 C5 118.769 C2 C3 H8 120.419
C2 C4 C6 118.769 C2 C4 H9 120.419
C3 C2 C4 121.746 C3 C5 C7 120.430
C3 C5 H10 119.347 C4 C6 C7 120.430
C4 C6 H11 119.347 C5 C3 H8 120.812
C5 C7 C6 119.856 C5 C7 H12 120.072
C6 C4 H9 120.812 C6 C7 H12 120.072
C7 C5 H10 120.223 C7 C6 H11 120.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.170      
2 C -0.411      
3 C -0.108      
4 C -0.108      
5 C -0.131      
6 C -0.131      
7 C -0.162      
8 H 0.194      
9 H 0.194      
10 H 0.163      
11 H 0.163      
12 H 0.166      


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 -1.901 1.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.983 0.000 0.000
y 0.000 -44.269 0.000
z 0.000 0.000 -45.121
Traceless
 xyz
x -9.288 0.000 0.000
y 0.000 5.282 0.000
z 0.000 0.000 4.005
Polar
3z2-r28.010
x2-y2-9.713
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.627 0.000 0.000
y 0.000 11.626 0.000
z 0.000 0.000 16.827


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000