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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-2789.671413
Energy at 298.15K-2789.679640
Nuclear repulsion energy430.547766
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/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 3303 3086 4.28      
2 A1 3287 3071 9.50      
3 A1 3263 3049 0.00      
4 A1 1675 1565 18.15      
5 A1 1586 1482 39.03      
6 A1 1282 1198 0.03      
7 A1 1149 1074 29.17      
8 A1 1096 1025 11.46      
9 A1 1062 992 0.15      
10 A1 734 686 14.66      
11 A1 337 315 1.35      
12 A2 1026 959 0.00      
13 A2 902 843 0.00      
14 A2 439 410 0.00      
15 B1 1031 963 0.00      
16 B1 966 903 2.58      
17 B1 790 738 89.10      
18 B1 727 680 14.06      
19 B1 491 459 8.66      
20 B1 181 169 0.54      
21 B2 3296 3080 5.66      
22 B2 3273 3059 6.68      
23 B2 1672 1562 3.00      
24 B2 1549 1448 10.75      
25 B2 1427 1333 1.88      
26 B2 1302 1217 0.26      
27 B2 1212 1133 0.14      
28 B2 1142 1067 2.44      
29 B2 676 632 0.20      
30 B2 257 241 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20567.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 19218.2 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/3-21G*
ABC
0.18988 0.03291 0.02805

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.807
C2 0.000 0.000 -0.101
C3 0.000 1.213 -0.783
C4 0.000 -1.213 -0.783
C5 0.000 1.207 -2.178
C6 0.000 -1.207 -2.178
C7 0.000 0.000 -2.877
H8 0.000 2.142 -0.234
H9 0.000 -2.142 -0.234
H10 0.000 2.145 -2.714
H11 0.000 -2.145 -2.714
H12 0.000 0.000 -3.957

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.90832.86032.86034.16384.16384.68392.95862.95865.00405.00405.7642
C21.90831.39151.39152.40192.40192.77562.14582.14583.38043.38043.8559
C32.86031.39152.42551.39452.79282.41941.07913.39912.14383.87323.3975
C42.86031.39152.42552.79281.39452.41943.39911.07913.87322.14383.3975
C54.16382.40191.39452.79282.41391.39482.15683.87191.08043.39472.1500
C64.16382.40192.79281.39452.41391.39483.87192.15683.39471.08042.1500
C74.68392.77562.41942.41941.39481.39483.40153.40152.15132.15131.0802
H82.95862.14581.07913.39912.15683.87193.40154.28332.47964.95234.2950
H92.95862.14583.39911.07913.87192.15683.40154.28334.95232.47964.2950
H105.00403.38042.14383.87321.08043.39472.15132.47964.95234.29032.4794
H115.00403.38043.87322.14383.39471.08042.15134.95232.47964.29032.4794
H125.76423.85593.39753.39752.15002.15001.08024.29504.29502.47942.4794

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.357 Br1 C2 C4 119.357
C2 C3 C5 119.119 C2 C3 H8 120.049
C2 C4 C6 119.119 C2 C4 H9 120.049
C3 C2 C4 121.285 C3 C5 C7 120.314
C3 C5 H10 119.497 C4 C6 C7 120.314
C4 C6 H11 119.497 C5 C3 H8 120.832
C5 C7 C6 119.849 C5 C7 H12 120.076
C6 C4 H9 120.832 C6 C7 H12 120.076
C7 C5 H10 120.189 C7 C6 H11 120.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability