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All results from a given calculation for C6H5Cl (chlorobenzene)

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-686.637049
Energy at 298.15K-686.642554
Nuclear repulsion energy312.502091
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 3302 3108 2.57      
2 A1 3283 3090 8.95      
3 A1 3259 3067 0.11      
4 A1 1673 1574 24.74      
5 A1 1590 1497 38.98      
6 A1 1280 1205 0.04      
7 A1 1150 1083 34.90      
8 A1 1097 1032 20.80      
9 A1 1062 1000 0.05      
10 A1 735 692 25.59      
11 A1 416 392 5.69      
12 A2 1035 974 0.00      
13 A2 907 854 0.00      
14 A2 443 417 0.00      
15 B1 1031 971 0.24      
16 B1 987 929 6.01      
17 B1 808 761 70.31      
18 B1 735 692 33.37      
19 B1 507 477 11.13      
20 B1 201 189 0.07      
21 B2 3297 3104 3.11      
22 B2 3269 3078 7.15      
23 B2 1680 1582 3.88      
24 B2 1551 1460 9.31      
25 B2 1433 1349 0.63      
26 B2 1306 1230 0.81      
27 B2 1216 1145 0.52      
28 B2 1140 1073 2.38      
29 B2 676 637 0.27      
30 B2 287 270 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 20678.5 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 19464.7 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
0.18994 0.05056 0.03993

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)
Cl1 0.000 0.000 2.307
C2 0.000 0.000 0.475
C3 0.000 1.212 -0.195
C4 0.000 -1.212 -0.195
C5 0.000 1.208 -1.591
C6 0.000 -1.208 -1.591
C7 0.000 0.000 -2.290
H8 0.000 2.137 0.361
H9 0.000 -2.137 0.361
H10 0.000 2.147 -2.126
H11 0.000 -2.147 -2.126
H12 0.000 0.000 -3.371

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.83222.77962.77964.08034.08034.59662.89052.89054.92534.92535.6774
C21.83221.38451.38452.39252.39252.76442.14032.14033.37223.37223.8452
C32.77961.38452.42391.39592.79352.42031.07923.39492.14573.87433.3992
C42.77961.38452.42392.79351.39592.42033.39491.07923.87432.14573.3992
C54.08032.39251.39592.79352.41551.39552.16143.87251.08093.39692.1510
C64.08032.39252.79351.39592.41551.39553.87252.16143.39691.08092.1510
C74.59662.76442.42032.42031.39551.39553.40483.40482.15292.15291.0808
H82.89052.14031.07923.39492.16143.87253.40484.27452.48684.95344.3000
H92.89052.14033.39491.07923.87252.16143.40484.27454.95342.48684.3000
H104.92533.37222.14573.87431.08093.39692.15292.48684.95344.29332.4813
H114.92533.37223.87432.14573.39691.08092.15294.95342.48684.29332.4813
H125.67743.84523.39923.39922.15102.15101.08084.30004.30002.48132.4813

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 118.911 Cl1 C2 C4 118.911
C2 C3 C5 118.739 C2 C3 H8 120.115
C2 C4 C6 118.739 C2 C4 H9 120.115
C3 C2 C4 122.179 C3 C5 C7 120.236
C3 C5 H10 119.524 C4 C6 C7 120.236
C4 C6 H11 119.524 C5 C3 H8 121.147
C5 C7 C6 119.871 C5 C7 H12 120.065
C6 C4 H9 121.147 C6 C7 H12 120.065
C7 C5 H10 120.240 C7 C6 H11 120.240
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability