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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-691.584557
Energy at 298.15K-691.578049
HF Energy-691.863862
Nuclear repulsion energy315.375242
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 B3LYP/6-31G(2df,p)
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 3213 3101 0.97      
2 A1 3200 3088 15.40      
3 A1 3177 3066 0.08      
4 A1 1621 1565 20.53      
5 A1 1508 1455 43.35      
6 A1 1198 1156 0.04      
7 A1 1103 1064 41.76      
8 A1 1044 1008 12.82      
9 A1 1012 976 7.32      
10 A1 708 683 25.04      
11 A1 416 401 4.09      
12 A2 958 924 0.00      
13 A2 853 823 0.00      
14 A2 417 402 0.00      
15 B1 991 957 0.30      
16 B1 922 890 2.38      
17 B1 766 740 43.80      
18 B1 706 682 12.22      
19 B1 484 467 4.32      
20 B1 190 184 0.01      
21 B2 3211 3098 6.47      
22 B2 3186 3075 9.81      
23 B2 1626 1569 2.60      
24 B2 1475 1423 6.13      
25 B2 1339 1292 0.46      
26 B2 1321 1275 0.03      
27 B2 1182 1141 0.10      
28 B2 1098 1059 3.38      
29 B2 623 601 0.21      
30 B2 296 286 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 19921.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19224.0 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 B3LYP/6-31G(2df,p)
ABC
0.18991 0.05227 0.04099

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

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 1.214 -0.177
C4 0.000 -1.214 -0.177
C5 0.000 1.205 -1.570
C6 0.000 -1.205 -1.570
C7 0.000 0.000 -2.268
H8 0.000 2.145 0.377
H9 0.000 -2.145 0.377
H10 0.000 2.148 -2.107
H11 0.000 -2.148 -2.107
H12 0.000 0.000 -3.353

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.75262.71892.71894.01114.01114.52472.85162.85164.86284.86285.6091
C21.75261.39131.39132.39802.39802.77212.14842.14843.38023.38023.8565
C32.71891.39132.42721.39282.79102.41821.08323.40352.14403.87583.4000
C42.71891.39132.42722.79101.39282.41823.40351.08323.87582.14403.4000
C54.01112.39801.39282.79102.41011.39302.16133.87411.08483.39542.1522
C64.01112.39802.79101.39282.41011.39303.87412.16133.39541.08482.1522
C74.52472.77212.41822.41821.39301.39303.40543.40542.15372.15371.0844
H82.85162.14841.08323.40352.16133.87413.40544.28932.48344.95894.3023
H92.85162.14843.40351.08323.87412.16133.40544.28934.95892.48344.3023
H104.86283.38022.14403.87581.08483.39542.15372.48344.95894.29522.4830
H114.86283.38023.87582.14403.39541.08482.15374.95892.48344.29522.4830
H125.60913.85653.40003.40002.15222.15221.08444.30234.30232.48302.4830

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.308 Cl1 C2 C4 119.308
C2 C3 C5 118.970 C2 C3 H8 120.023
C2 C4 C6 118.970 C2 C4 H9 120.023
C3 C2 C4 121.384 C3 C5 C7 120.454
C3 C5 H10 119.328 C4 C6 C7 120.454
C4 C6 H11 119.328 C5 C3 H8 121.006
C5 C7 C6 119.768 C5 C7 H12 120.116
C6 C4 H9 121.006 C6 C7 H12 120.116
C7 C5 H10 120.218 C7 C6 H11 120.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.180      
2 C 0.211      
3 C -0.150      
4 C -0.150      
5 C -0.088      
6 C -0.088      
7 C -0.109      
8 H 0.120      
9 H 0.120      
10 H 0.106      
11 H 0.106      
12 H 0.103      


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 -1.868 1.868
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 251.409
(<r2>)1/2 15.856