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 C6H5Cl (chlorobenzene)

using model chemistry: CISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-690.437006
Energy at 298.15K-690.442449
Nuclear repulsion energy316.962279
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/6-311G*
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 3330 3081 2.69      
2 A1 3317 3069 17.04      
3 A1 3294 3048 0.04      
4 A1 1734 1605 25.60      
5 A1 1595 1475 50.74      
6 A1 1255 1162 0.01      
7 A1 1177 1089 41.16      
8 A1 1092 1011 12.71      
9 A1 1053 974 7.65      
10 A1 748 692 22.98      
11 A1 440 407 2.72      
12 A2 1000 926 0.00      
13 A2 886 820 0.00      
14 A2 431 399 0.00      
15 B1 992 918 0.06      
16 B1 941 870 1.85      
17 B1 780 722 98.24      
18 B1 653 604 3.38      
19 B1 493 456 10.94      
20 B1 198 184 0.29      
21 B2 3327 3078 11.58      
22 B2 3304 3057 9.24      
23 B2 1730 1600 2.70      
24 B2 1553 1437 9.50      
25 B2 1405 1300 0.18      
26 B2 1319 1220 0.22      
27 B2 1211 1121 0.02      
28 B2 1148 1062 3.23      
29 B2 652 603 0.28      
30 B2 311 288 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20684.3 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 19139.2 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/6-311G*
ABC
0.19177 0.05281 0.04141

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.243
C2 0.000 0.000 0.506
C3 0.000 1.207 -0.174
C4 0.000 -1.207 -0.174
C5 0.000 1.200 -1.562
C6 0.000 -1.200 -1.562
C7 0.000 0.000 -2.259
H8 0.000 2.134 0.375
H9 0.000 -2.134 0.375
H10 0.000 2.138 -2.096
H11 0.000 -2.138 -2.096
H12 0.000 0.000 -3.338

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.73742.70212.70213.99003.99004.50222.83652.83654.83734.83735.5809
C21.73741.38531.38532.39082.39082.76482.13812.13813.36743.36743.8436
C32.70211.38532.41351.38762.77812.40861.07773.38562.13533.85723.3857
C42.70211.38532.41352.77811.38762.40863.38561.07773.85722.13533.3857
C53.99002.39081.38762.77812.40011.38782.15013.85581.07903.38022.1432
C63.99002.39082.77811.38762.40011.38783.85582.15013.38021.07902.1432
C74.50222.76482.40862.40861.38781.38783.38973.38972.14382.14381.0788
H82.83652.13811.07773.38562.15013.85583.38974.26812.47084.93484.2821
H92.83652.13813.38561.07773.85582.15013.38974.26814.93482.47084.2821
H104.83733.36742.13533.85721.07903.38022.14382.47084.93484.27532.4721
H114.83733.36743.85722.13533.38021.07902.14384.93482.47084.27532.4721
H125.58093.84363.38573.38572.14322.14321.07884.28214.28212.47212.4721

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.411 Cl1 C2 C4 119.411
C2 C3 C5 119.135 C2 C3 H8 119.956
C2 C4 C6 119.135 C2 C4 H9 119.956
C3 C2 C4 121.177 C3 C5 C7 120.423
C3 C5 H10 119.391 C4 C6 C7 120.423
C4 C6 H11 119.391 C5 C3 H8 120.909
C5 C7 C6 119.706 C5 C7 H12 120.147
C6 C4 H9 120.909 C6 C7 H12 120.147
C7 C5 H10 120.185 C7 C6 H11 120.185
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability