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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-686.634174
Energy at 298.15K-686.639681
Nuclear repulsion energy312.610285
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 CID/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 3305 3079 2.58      
2 A1 3286 3061 8.83      
3 A1 3262 3039 0.10      
4 A1 1676 1561 24.60      
5 A1 1592 1483 38.99      
6 A1 1282 1194 0.05      
7 A1 1153 1074 34.21      
8 A1 1099 1024 20.56      
9 A1 1064 991 0.05      
10 A1 737 686 25.01      
11 A1 417 388 5.50      
12 A2 1032 962 0.00      
13 A2 906 844 0.00      
14 A2 443 413 0.00      
15 B1 1028 958 0.24      
16 B1 985 918 6.03      
17 B1 807 752 70.53      
18 B1 734 684 33.20      
19 B1 507 472 11.16      
20 B1 201 188 0.08      
21 B2 3300 3074 3.11      
22 B2 3273 3049 7.07      
23 B2 1683 1568 3.94      
24 B2 1553 1446 9.34      
25 B2 1435 1337 0.61      
26 B2 1308 1219 0.80      
27 B2 1218 1134 0.49      
28 B2 1142 1064 2.45      
29 B2 677 631 0.27      
30 B2 287 268 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 20695.3 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 19279.8 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 CID/3-21G
ABC
0.19008 0.05060 0.03996

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.306
C2 0.000 0.000 0.475
C3 0.000 1.211 -0.195
C4 0.000 -1.211 -0.195
C5 0.000 1.207 -1.590
C6 0.000 -1.207 -1.590
C7 0.000 0.000 -2.289
H8 0.000 2.137 0.361
H9 0.000 -2.137 0.361
H10 0.000 2.146 -2.125
H11 0.000 -2.146 -2.125
H12 0.000 0.000 -3.370

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.83112.77852.77854.07874.07874.59492.88962.88964.92374.92375.6756
C21.83111.38411.38412.39192.39192.76382.13982.13983.37163.37163.8445
C32.77851.38412.42291.39552.79242.41951.07913.39392.14523.87323.3983
C42.77851.38412.42292.79241.39552.41953.39391.07913.87322.14523.3983
C54.07872.39191.39552.79242.41461.39502.16083.87141.08073.39592.1505
C64.07872.39192.79241.39552.41461.39503.87142.16083.39591.08072.1505
C74.59492.76382.41952.41951.39501.39503.40383.40382.15232.15231.0807
H82.88962.13981.07913.39392.16083.87143.40384.27352.48614.95214.2989
H92.88962.13983.39391.07913.87142.16083.40384.27354.95212.48614.2989
H104.92373.37162.14523.87321.08073.39592.15232.48614.95214.29222.4807
H114.92373.37163.87322.14523.39591.08072.15234.95212.48614.29222.4807
H125.67563.84453.39833.39832.15052.15051.08074.29894.29892.48072.4807

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 118.925 Cl1 C2 C4 118.925
C2 C3 C5 118.755 C2 C3 H8 120.112
C2 C4 C6 118.755 C2 C4 H9 120.112
C3 C2 C4 122.150 C3 C5 C7 120.237
C3 C5 H10 119.527 C4 C6 C7 120.237
C4 C6 H11 119.527 C5 C3 H8 121.132
C5 C7 C6 119.865 C5 C7 H12 120.068
C6 C4 H9 121.132 C6 C7 H12 120.068
C7 C5 H10 120.236 C7 C6 H11 120.236
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability