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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-687.861678
Energy at 298.15K-687.866855
Nuclear repulsion energy310.721812
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 PBEPBE/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 3169 3140 1.31      
2 A1 3151 3123 8.46      
3 A1 3128 3100 0.01      
4 A1 1562 1547 26.23      
5 A1 1483 1470 48.95      
6 A1 1198 1187 0.00      
7 A1 1078 1068 38.07      
8 A1 1031 1021 24.86      
9 A1 1008 999 0.26      
10 A1 691 685 29.08      
11 A1 394 391 7.97      
12 A2 961 953 0.00      
13 A2 824 816 0.00      
14 A2 413 409 0.00      
15 B1 989 980 0.49      
16 B1 907 899 5.09      
17 B1 747 740 50.46      
18 B1 701 695 50.56      
19 B1 467 463 12.00      
20 B1 185 183 0.12      
21 B2 3165 3137 1.48      
22 B2 3138 3109 7.06      
23 B2 1581 1566 4.28      
24 B2 1457 1443 7.99      
25 B2 1336 1324 0.49      
26 B2 1321 1309 0.80      
27 B2 1196 1185 0.23      
28 B2 1080 1070 4.71      
29 B2 629 624 0.36      
30 B2 269 267 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 19628.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 19449.3 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 PBEPBE/3-21G
ABC
0.18652 0.05026 0.03959

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.312
C2 0.000 0.000 0.478
C3 0.000 1.225 -0.191
C4 0.000 -1.225 -0.191
C5 0.000 1.217 -1.597
C6 0.000 -1.217 -1.597
C7 0.000 0.000 -2.299
H8 0.000 2.159 0.372
H9 0.000 -2.159 0.372
H10 0.000 2.166 -2.139
H11 0.000 -2.166 -2.139
H12 0.000 0.000 -3.392

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.83362.78582.78584.09324.09324.61082.90192.90194.94914.94915.7031
C21.83361.39531.39532.40512.40512.77722.16152.16153.39643.39643.8695
C32.78581.39532.44931.40602.81742.43851.09083.43012.16333.91003.4272
C42.78581.39532.44932.81741.40602.43853.43011.09083.91002.16333.4272
C54.09322.40511.40602.81742.43371.40522.18283.90811.09263.42562.1686
C64.09322.40512.81741.40602.43371.40523.90812.18283.42561.09262.1686
C74.61082.77722.43852.43851.40521.40523.43503.43502.17152.17151.0923
H82.90192.16151.09083.43012.18283.90813.43504.31792.51105.00064.3392
H92.90192.16153.43011.09083.90812.18283.43504.31795.00062.51104.3392
H104.94913.39642.16333.91001.09263.42562.17152.51105.00064.33122.5020
H114.94913.39643.91002.16333.42561.09262.17155.00062.51104.33122.5020
H125.70313.86953.42723.42722.16862.16861.09234.33924.33922.50202.5020

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 118.630 Cl1 C2 C4 118.630
C2 C3 C5 118.312 C2 C3 H8 120.294
C2 C4 C6 118.312 C2 C4 H9 120.294
C3 C2 C4 122.739 C3 C5 C7 120.323
C3 C5 H10 119.419 C4 C6 C7 120.323
C4 C6 H11 119.419 C5 C3 H8 121.394
C5 C7 C6 119.990 C5 C7 H12 120.005
C6 C4 H9 121.394 C6 C7 H12 120.005
C7 C5 H10 120.257 C7 C6 H11 120.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.101      
2 C -0.278      
3 C -0.166      
4 C -0.166      
5 C -0.189      
6 C -0.189      
7 C -0.197      
8 H 0.227      
9 H 0.227      
10 H 0.211      
11 H 0.211      
12 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.304 2.304
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.001 0.000 0.000
y 0.000 -41.062 0.000
z 0.000 0.000 -46.032
Traceless
 xyz
x -8.454 0.000 0.000
y 0.000 7.955 0.000
z 0.000 0.000 0.500
Polar
3z2-r20.999
x2-y2-10.939
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.724 0.000 0.000
y 0.000 10.442 0.000
z 0.000 0.000 14.366


<r2> (average value of r2) Å2
<r2> 259.305
(<r2>)1/2 16.103