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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-2772.350703
Energy at 298.15K-2772.358478
Nuclear repulsion energy424.942994
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 MP2/STO-3G
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 3530 3078 1.38      
2 A1 3517 3066 4.43      
3 A1 3506 3057 1.04      
4 A1 1728 1507 16.70      
5 A1 1620 1412 29.16      
6 A1 1274 1110 0.12      
7 A1 1202 1048 38.49      
8 A1 1101 960 1.45      
9 A1 1067 930 2.04      
10 A1 732 638 7.51      
11 A1 349 304 0.37      
12 A2 1058 923 0.00      
13 A2 924 805 0.00      
14 A2 436 380 0.00      
15 B1 1075 937 0.04      
16 B1 989 863 1.06      
17 B1 796 694 19.79      
18 B1 754 657 4.13      
19 B1 494 431 0.64      
20 B1 184 160 0.00      
21 B2 3521 3070 7.69      
22 B2 3510 3060 0.45      
23 B2 1709 1490 2.32      
24 B2 1569 1368 5.47      
25 B2 1429 1246 0.25      
26 B2 1284 1120 0.00      
27 B2 1204 1050 0.22      
28 B2 1157 1009 0.05      
29 B2 655 571 0.02      
30 B2 258 225 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 21314.8 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 18584.4 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 MP2/STO-3G
ABC
0.18415 0.03208 0.02732

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.828
C2 0.000 0.000 -0.077
C3 0.000 1.230 -0.792
C4 0.000 -1.230 -0.792
C5 0.000 1.225 -2.208
C6 0.000 -1.225 -2.208
C7 0.000 0.000 -2.919
H8 0.000 2.185 -0.243
H9 0.000 -2.185 -0.243
H10 0.000 2.181 -2.754
H11 0.000 -2.181 -2.754
H12 0.000 0.000 -4.019

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.90492.89522.89524.21784.21784.74703.01093.01095.07505.07505.8477
C21.90491.42351.42352.45802.45802.84212.19142.19143.45333.45333.9428
C32.89521.42352.46091.41542.83392.45671.10133.45942.17993.93513.4536
C42.89521.42352.46092.83391.41542.45673.45941.10133.93512.17993.4536
C54.21782.45801.41542.83392.44941.41612.18673.93521.10123.44902.1867
C64.21782.45802.83391.41542.44941.41613.93522.18673.44901.10122.1867
C74.74702.84212.45672.45671.41611.41613.45443.45442.18702.18701.1007
H83.01092.19141.10133.45942.18673.93523.45444.37012.51105.03644.3628
H93.01092.19143.45941.10133.93522.18673.45444.37015.03642.51104.3628
H105.07503.45332.17993.93511.10123.44902.18702.51105.03644.36152.5212
H115.07503.45333.93512.17993.44901.10122.18705.03642.51104.36152.5212
H125.84773.94283.45363.45362.18672.18671.10074.36284.36282.52122.5212

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 120.188 Br1 C2 C4 120.188
C2 C3 C5 119.954 C2 C3 H8 119.899
C2 C4 C6 119.954 C2 C4 H9 119.899
C3 C2 C4 119.625 C3 C5 C7 120.368
C3 C5 H10 119.518 C4 C6 C7 120.368
C4 C6 H11 119.518 C5 C3 H8 120.147
C5 C7 C6 119.731 C5 C7 H12 120.134
C6 C4 H9 120.147 C6 C7 H12 120.134
C7 C5 H10 120.115 C7 C6 H11 120.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability