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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: QCISD/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 QCISD/6-31+G**
 hartrees
Energy at 0K-690.587826
Energy at 298.15K-690.592855
HF Energy-689.618131
Nuclear repulsion energy314.764712
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 QCISD/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 3276 3097 3.20      
2 A1 3265 3086 15.18      
3 A1 3244 3066 0.10      
4 A1 1677 1585 25.33      
5 A1 1549 1464 35.10      
6 A1 1224 1157 0.02      
7 A1 1141 1079 37.46      
8 A1 1059 1001 13.47      
9 A1 1021 965 5.40      
10 A1 723 684 18.78      
11 A1 424 400 2.48      
12 A2 933 882 0.00      
13 A2 838 792 0.00      
14 A2 394 372 0.00      
15 B1 918 868 0.20      
16 B1 875 827 0.56      
17 B1 733 693 98.27      
18 B1 471 445 1.54      
19 B1 408 386 5.47      
20 B1 180 170 0.32      
21 B2 3273 3094 11.36      
22 B2 3252 3075 7.97      
23 B2 1672 1580 1.73      
24 B2 1508 1426 4.86      
25 B2 1366 1292 0.30      
26 B2 1307 1236 0.15      
27 B2 1196 1131 0.00      
28 B2 1118 1057 3.50      
29 B2 629 595 0.18      
30 B2 299 283 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 19984.9 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 18893.7 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 QCISD/6-31+G**
ABC
0.18900 0.05208 0.04083

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.258
C2 0.000 0.000 0.511
C3 0.000 1.216 -0.175
C4 0.000 -1.216 -0.175
C5 0.000 1.209 -1.573
C6 0.000 -1.209 -1.573
C7 0.000 0.000 -2.276
H8 0.000 2.147 0.375
H9 0.000 -2.147 0.375
H10 0.000 2.150 -2.109
H11 0.000 -2.150 -2.109
H12 0.000 0.000 -3.358

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.74732.72042.72044.01804.01804.53422.85612.85614.86814.86815.6168
C21.74731.39631.39632.40972.40972.78692.15172.15173.38953.38953.8694
C32.72041.39632.43211.39832.79952.42741.08183.40822.14783.88233.4077
C42.72041.39632.43212.79951.39832.42743.40821.08183.88232.14783.4077
C54.01802.40971.39832.79952.41841.39842.16273.88121.08283.40182.1560
C64.01802.40972.79951.39832.41841.39843.88122.16273.40181.08282.1560
C74.53422.78692.42742.42741.39841.39843.41173.41172.15672.15671.0825
H82.85612.15171.08183.40822.16273.88123.41174.29482.48434.96404.3071
H92.85612.15173.40821.08183.88122.16273.41174.29484.96402.48434.3071
H104.86813.38952.14783.88231.08283.40182.15672.48434.96404.30042.4868
H114.86813.38953.88232.14783.40181.08282.15674.96402.48434.30042.4868
H125.61683.86943.40773.40772.15602.15601.08254.30714.30712.48682.4868

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.431 Cl1 C2 C4 119.431
C2 C3 C5 119.150 C2 C3 H8 119.992
C2 C4 C6 119.150 C2 C4 H9 119.992
C3 C2 C4 121.137 C3 C5 C7 120.437
C3 C5 H10 119.372 C4 C6 C7 120.437
C4 C6 H11 119.372 C5 C3 H8 120.859
C5 C7 C6 119.689 C5 C7 H12 120.155
C6 C4 H9 120.859 C6 C7 H12 120.155
C7 C5 H10 120.190 C7 C6 H11 120.190
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability