return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-2801.044105
Energy at 298.15K-2801.052090
HF Energy-2800.047195
Nuclear repulsion energy431.432804
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 MP3=FULL/6-31+G**
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 3312 3086 3.41      
2 A1 3301 3075 12.05      
3 A1 3278 3054 0.10      
4 A1 1690 1575 25.02      
5 A1 1562 1455 30.41      
6 A1 1237 1152 0.06      
7 A1 1130 1052 15.68      
8 A1 1065 992 12.69      
9 A1 1006 937 17.94      
10 A1 694 647 15.51      
11 A1 328 306 0.95      
12 A2 948 883 0.00      
13 A2 854 795 0.00      
14 A2 404 377 0.00      
15 B1 928 865 0.36      
16 B1 894 833 0.78      
17 B1 750 698 87.48      
18 B1 556 518 11.75      
19 B1 495 461 3.27      
20 B1 198 184 0.21      
21 B2 3309 3083 7.02      
22 B2 3287 3062 8.44      
23 B2 1685 1569 1.55      
24 B2 1519 1415 6.95      
25 B2 1382 1287 0.96      
26 B2 1314 1224 0.23      
27 B2 1203 1121 0.01      
28 B2 1126 1049 3.70      
29 B2 631 588 0.21      
30 B2 256 239 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20170.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 18790.4 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 MP3=FULL/6-31+G**
ABC
0.19004 0.03309 0.02818

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.802
C2 0.000 0.000 -0.095
C3 0.000 1.214 -0.778
C4 0.000 -1.214 -0.778
C5 0.000 1.206 -2.174
C6 0.000 -1.206 -2.174
C7 0.000 0.000 -2.876
H8 0.000 2.145 -0.232
H9 0.000 -2.145 -0.232
H10 0.000 2.145 -2.708
H11 0.000 -2.145 -2.708
H12 0.000 0.000 -3.956

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.89692.85152.85154.15534.15534.67862.95572.95574.99474.99475.7585
C21.89691.39331.39332.40402.40402.78172.14902.14903.38123.38123.8616
C32.85151.39332.42871.39632.79462.42471.07883.40312.14333.87463.4026
C42.85151.39332.42872.79461.39632.42473.40311.07883.87462.14333.4026
C54.15532.40401.39632.79462.41291.39602.15713.87341.08003.39372.1522
C64.15532.40402.79461.39632.41291.39603.87342.15713.39371.08002.1522
C74.67862.78172.42472.42471.39601.39603.40513.40512.15152.15151.0799
H82.95572.14901.07883.40312.15713.87343.40514.28932.47694.95334.2980
H92.95572.14903.40311.07883.87342.15713.40514.28934.95332.47694.2980
H104.99473.38122.14333.87461.08003.39372.15152.47694.95334.28982.4814
H114.99473.38123.87462.14333.39371.08002.15154.95332.47694.28982.4814
H125.75853.86163.40263.40262.15222.15221.07994.29804.29802.48142.4814

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 119.033 C2 C3 H8 120.229
C2 C4 C6 119.033 C2 C4 H9 120.229
C3 C2 C4 121.286 C3 C5 C7 120.531
C3 C5 H10 119.338 C4 C6 C7 120.531
C4 C6 H11 119.338 C5 C3 H8 120.738
C5 C7 C6 119.586 C5 C7 H12 120.207
C6 C4 H9 120.738 C6 C7 H12 120.207
C7 C5 H10 120.131 C7 C6 H11 120.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability