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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: QCISD/6-31G**

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/6-31G**
 hartrees
Energy at 0K-690.574302
Energy at 298.15K-690.579495
HF Energy-689.611323
Nuclear repulsion energy315.030056
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/6-31G**
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 3281 3088 2.82      
2 A1 3268 3077 17.37      
3 A1 3247 3057 0.05      
4 A1 1686 1587 20.63      
5 A1 1556 1465 36.37      
6 A1 1227 1155 0.00      
7 A1 1145 1078 36.12      
8 A1 1064 1002 9.79      
9 A1 1021 961 7.20      
10 A1 725 682 18.66      
11 A1 424 399 2.35      
12 A2 944 889 0.00      
13 A2 849 799 0.00      
14 A2 406 382 0.00      
15 B1 940 884 0.07      
16 B1 892 840 1.09      
17 B1 746 702 70.52      
18 B1 563 530 0.25      
19 B1 466 439 4.86      
20 B1 190 179 0.06      
21 B2 3277 3085 12.15      
22 B2 3256 3065 9.09      
23 B2 1681 1583 2.16      
24 B2 1516 1427 5.60      
25 B2 1368 1287 0.30      
26 B2 1306 1230 0.08      
27 B2 1199 1129 0.02      
28 B2 1122 1057 2.41      
29 B2 631 594 0.17      
30 B2 301 283 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 20147.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 18967.0 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/6-31G**
ABC
0.18938 0.05216 0.04089

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.257
C2 0.000 0.000 0.510
C3 0.000 1.215 -0.176
C4 0.000 -1.215 -0.176
C5 0.000 1.208 -1.572
C6 0.000 -1.208 -1.572
C7 0.000 0.000 -2.273
H8 0.000 2.145 0.375
H9 0.000 -2.145 0.375
H10 0.000 2.148 -2.108
H11 0.000 -2.148 -2.108
H12 0.000 0.000 -3.355

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.74782.71952.71954.01534.01534.53032.85382.85384.86544.86545.6125
C21.74781.39481.39482.40662.40662.78252.14952.14953.38633.38633.8647
C32.71951.39482.42981.39632.79632.42371.08133.40512.14603.87883.4037
C42.71951.39482.42982.79631.39632.42373.40511.08133.87882.14603.4037
C54.01532.40661.39632.79632.41571.39652.16123.87751.08253.39862.1537
C64.01532.40662.79631.39632.41571.39653.87752.16123.39861.08252.1537
C74.53032.78252.42372.42371.39651.39653.40823.40822.15462.15461.0822
H82.85382.14951.08133.40512.16123.87753.40824.29062.48334.96004.3033
H92.85382.14953.40511.08133.87752.16123.40824.29064.96002.48334.3033
H104.86543.38632.14603.87881.08253.39862.15462.48334.96004.29662.4840
H114.86543.38633.87882.14603.39861.08252.15464.96002.48334.29662.4840
H125.61253.86473.40373.40372.15372.15371.08224.30334.30332.48402.4840

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.424 Cl1 C2 C4 119.424
C2 C3 C5 119.134 C2 C3 H8 119.941
C2 C4 C6 119.134 C2 C4 H9 119.941
C3 C2 C4 121.152 C3 C5 C7 120.419
C3 C5 H10 119.391 C4 C6 C7 120.419
C4 C6 H11 119.391 C5 C3 H8 120.926
C5 C7 C6 119.743 C5 C7 H12 120.128
C6 C4 H9 120.926 C6 C7 H12 120.128
C7 C5 H10 120.190 C7 C6 H11 120.190
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability