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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-688.416906
Energy at 298.15K-688.422305
Nuclear repulsion energy315.803833
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 B1B95/3-21G*
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 3254 3108 2.44      
2 A1 3241 3095 7.46      
3 A1 3220 3075 0.03      
4 A1 1630 1557 20.32      
5 A1 1534 1465 47.62      
6 A1 1237 1181 0.00      
7 A1 1124 1073 42.93      
8 A1 1063 1016 12.61      
9 A1 1040 993 0.03      
10 A1 723 691 24.16      
11 A1 425 405 4.68      
12 A2 1015 969 0.00      
13 A2 870 831 0.00      
14 A2 424 405 0.00      
15 B1 1044 997 0.34      
16 B1 956 912 5.12      
17 B1 784 749 54.38      
18 B1 729 696 50.12      
19 B1 489 467 12.10      
20 B1 195 186 0.28      
21 B2 3249 3103 3.26      
22 B2 3228 3083 5.58      
23 B2 1632 1558 3.47      
24 B2 1503 1435 9.29      
25 B2 1382 1319 0.83      
26 B2 1329 1269 0.19      
27 B2 1230 1174 0.11      
28 B2 1115 1065 4.36      
29 B2 646 617 0.26      
30 B2 297 284 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 20303.8 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 19388.1 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 B1B95/3-21G*
ABC
0.19045 0.05241 0.04110

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.252
C2 0.000 0.000 0.506
C3 0.000 1.211 -0.176
C4 0.000 -1.211 -0.176
C5 0.000 1.205 -1.568
C6 0.000 -1.205 -1.568
C7 0.000 0.000 -2.267
H8 0.000 2.139 0.379
H9 0.000 -2.139 0.379
H10 0.000 2.145 -2.104
H11 0.000 -2.145 -2.104
H12 0.000 0.000 -3.349

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.74682.71332.71334.00584.00584.51892.84412.84414.85594.85595.6011
C21.74681.38941.38942.39812.39812.77212.14322.14323.37813.37813.8543
C32.71331.38942.42181.39232.78802.41611.08143.39592.14273.87053.3962
C42.71331.38942.42182.78801.39232.41613.39591.08143.87052.14273.3962
C54.00582.39811.39232.78802.40921.39252.15943.86931.08253.39232.1499
C64.00582.39812.78801.39232.40921.39253.86932.15943.39231.08252.1499
C74.51892.77212.41612.41611.39251.39253.40203.40202.15122.15121.0822
H82.84412.14321.08143.39592.15943.86933.40204.27892.48264.95184.2976
H92.84412.14323.39591.08143.86932.15943.40204.27894.95182.48264.2976
H104.85593.37812.14273.87051.08253.39232.15122.48264.95184.29022.4800
H114.85593.37813.87052.14273.39231.08252.15124.95182.48264.29022.4800
H125.60113.85433.39623.39622.14992.14991.08224.29764.29762.48002.4800

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.366 Cl1 C2 C4 119.366
C2 C3 C5 119.107 C2 C3 H8 119.799
C2 C4 C6 119.107 C2 C4 H9 119.799
C3 C2 C4 121.268 C3 C5 C7 120.367
C3 C5 H10 119.421 C4 C6 C7 120.367
C4 C6 H11 119.421 C5 C3 H8 121.094
C5 C7 C6 119.784 C5 C7 H12 120.108
C6 C4 H9 121.094 C6 C7 H12 120.108
C7 C5 H10 120.212 C7 C6 H11 120.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.050      
2 C -0.196      
3 C -0.188      
4 C -0.188      
5 C -0.203      
6 C -0.203      
7 C -0.211      
8 H 0.238      
9 H 0.238      
10 H 0.223      
11 H 0.223      
12 H 0.219      


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 -1.898 1.898
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.716 0.000 0.000
y 0.000 -41.102 0.000
z 0.000 0.000 -44.784
Traceless
 xyz
x -8.773 0.000 0.000
y 0.000 7.148 0.000
z 0.000 0.000 1.625
Polar
3z2-r23.250
x2-y2-10.614
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.951 0.000 0.000
y 0.000 10.352 0.000
z 0.000 0.000 13.768


<r2> (average value of r2) Å2
<r2> 250.845
(<r2>)1/2 15.838