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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-2792.081697
Energy at 298.15K-2792.089912
Nuclear repulsion energy429.439336
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 B3PW91/3-21G
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 3241 3116 2.51      
2 A1 3226 3101 8.71      
3 A1 3203 3079 0.00      
4 A1 1628 1564 31.55      
5 A1 1540 1480 42.01      
6 A1 1243 1194 0.33      
7 A1 1131 1087 29.89      
8 A1 1067 1025 18.82      
9 A1 1040 1000 0.02      
10 A1 708 681 17.24      
11 A1 332 319 1.88      
12 A2 1033 993 0.00      
13 A2 883 849 0.00      
14 A2 431 414 0.00      
15 B1 1058 1017 1.77      
16 B1 982 944 5.24      
17 B1 804 772 25.83      
18 B1 740 711 75.57      
19 B1 504 484 14.26      
20 B1 182 175 0.71      
21 B2 3237 3112 4.88      
22 B2 3212 3088 5.93      
23 B2 1629 1565 3.44      
24 B2 1499 1441 10.02      
25 B2 1387 1333 1.35      
26 B2 1338 1286 0.19      
27 B2 1229 1182 0.12      
28 B2 1113 1070 4.36      
29 B2 654 629 0.29      
30 B2 258 248 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20265.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19478.8 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 B3PW91/3-21G
ABC
0.19050 0.03263 0.02786

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.816
C2 0.000 0.000 -0.105
C3 0.000 1.208 -0.791
C4 0.000 -1.208 -0.791
C5 0.000 1.207 -2.186
C6 0.000 -1.207 -2.186
C7 0.000 0.000 -2.887
H8 0.000 2.139 -0.237
H9 0.000 -2.139 -0.237
H10 0.000 2.151 -2.720
H11 0.000 -2.151 -2.720
H12 0.000 0.000 -3.971

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.92072.87262.87264.17954.17954.70252.96482.96485.02025.02025.7871
C21.92071.38871.38872.40542.40542.78182.14292.14293.38623.38623.8664
C32.87261.38872.41531.39522.78852.41911.08313.39192.14793.87333.4022
C42.87261.38872.41532.78851.39522.41913.39191.08313.87332.14793.4022
C54.17952.40541.39522.78852.41341.39552.15993.87151.08493.39972.1550
C64.17952.40542.78851.39522.41341.39553.87152.15993.39971.08492.1550
C74.70252.78182.41912.41911.39551.39553.40503.40502.15712.15711.0845
H82.96482.14291.08313.39192.15993.87153.40504.27762.48314.95644.3031
H92.96482.14293.39191.08313.87152.15993.40504.27764.95642.48314.3031
H105.02023.38622.14793.87331.08493.39972.15712.48314.95644.30142.4880
H115.02023.38623.87332.14793.39971.08492.15714.95642.48314.30142.4880
H125.78713.86643.40223.40222.15502.15501.08454.30314.30312.48802.4880

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.587 Br1 C2 C4 119.587
C2 C3 C5 119.548 C2 C3 H8 119.696
C2 C4 C6 119.548 C2 C4 H9 119.696
C3 C2 C4 120.826 C3 C5 C7 120.191
C3 C5 H10 119.487 C4 C6 C7 120.191
C4 C6 H11 119.487 C5 C3 H8 120.756
C5 C7 C6 119.696 C5 C7 H12 120.152
C6 C4 H9 120.756 C6 C7 H12 120.152
C7 C5 H10 120.322 C7 C6 H11 120.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.198      
2 C -0.365      
3 C -0.173      
4 C -0.173      
5 C -0.211      
6 C -0.211      
7 C -0.218      
8 H 0.238      
9 H 0.238      
10 H 0.226      
11 H 0.226      
12 H 0.223      


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 -1.587 1.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.492 0.000 0.000
y 0.000 -46.864 0.000
z 0.000 0.000 -47.293
Traceless
 xyz
x -10.413 0.000 0.000
y 0.000 5.528 0.000
z 0.000 0.000 4.885
Polar
3z2-r29.769
x2-y2-10.627
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.749 0.000 0.000
y 0.000 10.281 0.000
z 0.000 0.000 15.134


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