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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-2800.734847
Energy at 298.15K-2800.743026
Nuclear repulsion energy432.663306
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 CISD/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 3346 3098 2.77      
2 A1 3333 3085 15.42      
3 A1 3310 3064 0.01      
4 A1 1746 1616 20.92      
5 A1 1604 1485 40.84      
6 A1 1271 1177 0.00      
7 A1 1157 1071 16.56      
8 A1 1099 1017 13.38      
9 A1 1056 977 16.37      
10 A1 711 659 19.03      
11 A1 335 310 1.60      
12 A2 1018 943 0.00      
13 A2 904 837 0.00      
14 A2 433 401 0.00      
15 B1 1012 937 0.00      
16 B1 968 896 2.38      
17 B1 794 735 75.49      
18 B1 684 633 4.76      
19 B1 492 456 6.18      
20 B1 183 169 0.29      
21 B2 3344 3096 7.09      
22 B2 3320 3073 9.92      
23 B2 1745 1615 2.07      
24 B2 1565 1449 11.02      
25 B2 1417 1312 1.07      
26 B2 1334 1235 0.34      
27 B2 1233 1142 0.02      
28 B2 1161 1075 2.94      
29 B2 655 606 0.21      
30 B2 266 247 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20746.7 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 19207.3 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 CISD/6-31G*
ABC
0.19159 0.03327 0.02834

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.798
C2 0.000 0.000 -0.101
C3 0.000 1.208 -0.779
C4 0.000 -1.208 -0.779
C5 0.000 1.200 -2.166
C6 0.000 -1.200 -2.166
C7 0.000 0.000 -2.861
H8 0.000 2.136 -0.231
H9 0.000 -2.136 -0.231
H10 0.000 2.138 -2.701
H11 0.000 -2.138 -2.701
H12 0.000 0.000 -3.941

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.89912.84552.84554.14124.14124.65892.94612.94614.98104.98105.7385
C21.89911.38471.38472.38802.38802.75982.14032.14033.36603.36603.8394
C32.84551.38472.41531.38702.77882.40721.07823.38862.13563.85863.3848
C42.84551.38472.41532.77881.38702.40723.38861.07823.85862.13563.3848
C54.14122.38801.38702.77882.40031.38712.14953.85701.07983.38082.1426
C64.14122.38802.77881.38702.40031.38713.85702.14953.38081.07982.1426
C74.65892.75982.40722.40721.38711.38713.38853.38852.14402.14401.0796
H82.94612.14031.07823.38862.14953.85703.38854.27272.47024.93684.2810
H92.94612.14033.38861.07823.85702.14953.38854.27274.93682.47024.2810
H104.98103.36602.13563.85861.07983.38082.14402.47024.93684.27602.4714
H114.98103.36603.85862.13563.38081.07982.14404.93682.47024.27602.4714
H125.73853.83943.38483.38482.14262.14261.07964.28104.28102.47142.4714

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.290 Br1 C2 C4 119.290
C2 C3 C5 118.981 C2 C3 H8 120.171
C2 C4 C6 118.981 C2 C4 H9 120.171
C3 C2 C4 121.419 C3 C5 C7 120.397
C3 C5 H10 119.407 C4 C6 C7 120.397
C4 C6 H11 119.407 C5 C3 H8 120.849
C5 C7 C6 119.827 C5 C7 H12 120.087
C6 C4 H9 120.849 C6 C7 H12 120.087
C7 C5 H10 120.197 C7 C6 H11 120.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability