return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-691.967883
Energy at 298.15K-691.973211
HF Energy-691.967883
Nuclear repulsion energy315.820503
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 B3LYPultrafine/aug-cc-pVTZ
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 3203 3099 1.09      
2 A1 3191 3087 12.39      
3 A1 3169 3066 0.08      
4 A1 1621 1568 24.93      
5 A1 1512 1463 41.44      
6 A1 1197 1158 0.00      
7 A1 1100 1064 42.40      
8 A1 1045 1011 18.50      
9 A1 1021 988 2.07      
10 A1 711 687 24.58      
11 A1 415 401 4.60      
12 A2 992 960 0.00      
13 A2 852 824 0.00      
14 A2 417 404 0.00      
15 B1 1014 981 0.10      
16 B1 931 901 2.45      
17 B1 762 738 58.45      
18 B1 702 679 19.32      
19 B1 481 466 8.43      
20 B1 187 181 0.13      
21 B2 3201 3097 5.08      
22 B2 3178 3075 8.27      
23 B2 1623 1571 2.38      
24 B2 1480 1432 5.15      
25 B2 1346 1303 0.59      
26 B2 1316 1273 0.08      
27 B2 1181 1143 0.04      
28 B2 1097 1061 4.75      
29 B2 628 608 0.20      
30 B2 295 285 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 19932.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19284.9 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.19086 0.05233 0.04107

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.256
C2 0.000 0.000 0.504
C3 0.000 1.210 -0.178
C4 0.000 -1.210 -0.178
C5 0.000 1.203 -1.569
C6 0.000 -1.203 -1.569
C7 0.000 0.000 -2.267
H8 0.000 2.140 0.372
H9 0.000 -2.140 0.372
H10 0.000 2.142 -2.104
H11 0.000 -2.142 -2.104
H12 0.000 0.000 -3.348

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.75242.71802.71804.00914.00914.52282.85132.85134.85804.85805.6040
C21.75241.38891.38892.39592.39592.77042.14422.14423.37493.37493.8517
C32.71801.38892.42051.39082.78512.41431.08023.39522.14013.86673.3935
C42.71801.38892.42052.78511.39082.41433.39521.08023.86672.14013.3935
C54.00912.39591.39082.78512.40551.39082.15503.86531.08163.38782.1479
C64.00912.39592.78511.39082.40551.39083.86532.15503.38781.08162.1479
C74.52282.77042.41432.41431.39081.39083.39753.39752.14862.14861.0813
H82.85132.14421.08023.39522.15503.86533.39754.28032.47604.94684.2917
H92.85132.14423.39521.08023.86532.15503.39754.28034.94682.47604.2917
H104.85803.37492.14013.86671.08163.38782.14862.47604.94684.28492.4774
H114.85803.37493.86672.14013.38781.08162.14864.94682.47604.28492.4774
H125.60403.85173.39353.39352.14792.14791.08134.29174.29172.47742.4774

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.377 Cl1 C2 C4 119.377
C2 C3 C5 119.067 C2 C3 H8 120.036
C2 C4 C6 119.067 C2 C4 H9 120.036
C3 C2 C4 121.247 C3 C5 C7 120.449
C3 C5 H10 119.370 C4 C6 C7 120.449
C4 C6 H11 119.370 C5 C3 H8 120.897
C5 C7 C6 119.722 C5 C7 H12 120.139
C6 C4 H9 120.897 C6 C7 H12 120.139
C7 C5 H10 120.181 C7 C6 H11 120.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.355      
2 C 0.571      
3 C -0.762      
4 C -0.762      
5 C -0.213      
6 C -0.213      
7 C -0.430      
8 H 0.475      
9 H 0.475      
10 H 0.392      
11 H 0.392      
12 H 0.432      


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 -1.788 1.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.291 0.000 0.000
y 0.000 -42.899 0.000
z 0.000 0.000 -46.740
Traceless
 xyz
x -6.471 0.000 0.000
y 0.000 6.116 0.000
z 0.000 0.000 0.355
Polar
3z2-r20.710
x2-y2-8.392
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.765 0.000 0.000
y 0.000 13.108 0.000
z 0.000 0.000 16.715


<r2> (average value of r2) Å2
<r2> 251.652
(<r2>)1/2 15.864