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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-2800.920817
Energy at 298.15K-2800.928703
Nuclear repulsion energy429.466839
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 QCISD/6-31G*
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 3233 3079 2.97      
2 A1 3221 3067 16.27      
3 A1 3199 3046 0.01      
4 A1 1674 1594 19.31      
5 A1 1544 1470 35.44      
6 A1 1229 1171 0.02      
7 A1 1114 1061 14.20      
8 A1 1058 1007 13.51      
9 A1 1018 970 15.13      
10 A1 685 652 17.09      
11 A1 320 305 1.47      
12 A2 932 887 0.00      
13 A2 846 806 0.00      
14 A2 408 389 0.00      
15 B1 921 878 0.11      
16 B1 892 849 1.44      
17 B1 744 709 75.47      
18 B1 594 565 1.05      
19 B1 461 439 5.37      
20 B1 173 165 0.27      
21 B2 3231 3077 8.51      
22 B2 3208 3055 9.93      
23 B2 1675 1595 1.83      
24 B2 1507 1435 9.33      
25 B2 1364 1299 1.03      
26 B2 1302 1239 0.24      
27 B2 1203 1145 0.00      
28 B2 1121 1068 2.96      
29 B2 631 601 0.21      
30 B2 256 243 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19881.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 18932.9 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 QCISD/6-31G*
ABC
0.18862 0.03279 0.02794

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.811
C2 0.000 0.000 -0.104
C3 0.000 1.217 -0.784
C4 0.000 -1.217 -0.784
C5 0.000 1.209 -2.181
C6 0.000 -1.209 -2.181
C7 0.000 0.000 -2.882
H8 0.000 2.153 -0.231
H9 0.000 -2.153 -0.231
H10 0.000 2.155 -2.721
H11 0.000 -2.155 -2.721
H12 0.000 0.000 -3.970

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.91432.86622.86624.17114.17114.69212.96722.96725.01785.01785.7807
C21.91431.39471.39472.40392.40392.77782.15722.15723.39033.39033.8665
C32.86621.39472.43491.39722.80012.42511.08743.41602.15183.88903.4106
C42.86621.39472.43492.80011.39722.42513.41601.08743.88902.15183.4106
C54.17112.40391.39722.80012.41841.39732.16713.88751.08883.40722.1592
C64.17112.40392.80011.39722.41841.39733.88752.16713.40721.08882.1592
C74.69212.77782.42512.42511.39731.39733.41533.41532.16092.16091.0886
H82.96722.15721.08743.41602.16713.88753.41534.30702.49024.97634.3151
H92.96722.15723.41601.08743.88752.16713.41534.30704.97632.49024.3151
H105.01783.39032.15183.88901.08883.40722.16092.49024.97634.30992.4908
H115.01783.39033.88902.15183.40721.08882.16094.97632.49024.30992.4908
H125.78073.86653.41063.41062.15922.15921.08864.31514.31512.49082.4908

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.203 Br1 C2 C4 119.203
C2 C3 C5 118.866 C2 C3 H8 120.204
C2 C4 C6 118.866 C2 C4 H9 120.204
C3 C2 C4 121.594 C3 C5 C7 120.409
C3 C5 H10 119.371 C4 C6 C7 120.409
C4 C6 H11 119.371 C5 C3 H8 120.930
C5 C7 C6 119.855 C5 C7 H12 120.072
C6 C4 H9 120.930 C6 C7 H12 120.072
C7 C5 H10 120.220 C7 C6 H11 120.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability