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All results from a given calculation for C6H4Cl2 (1,3-dichlorobenzene)

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-1151.074153
Energy at 298.15K-1151.066467
HF Energy-1151.461237
Nuclear repulsion energy452.141996
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 3232 3119 0.66      
2 A1 3221 3108 1.60      
3 A1 3190 3078 5.38      
4 A1 1613 1557 23.69      
5 A1 1442 1391 14.38      
6 A1 1134 1094 17.35      
7 A1 1097 1058 17.44      
8 A1 1009 974 4.87      
9 A1 672 648 2.27      
10 A1 399 385 3.42      
11 A1 196 190 0.48      
12 A2 907 875 0.00      
13 A2 550 530 0.00      
14 A2 205 198 0.00      
15 B1 973 939 0.70      
16 B1 897 865 12.33      
17 B1 799 771 30.43      
18 B1 695 671 9.69      
19 B1 446 430 2.20      
20 B1 169 163 0.00      
21 B2 3217 3104 0.66      
22 B2 1612 1555 67.25      
23 B2 1490 1438 72.11      
24 B2 1332 1285 0.65      
25 B2 1293 1248 3.12      
26 B2 1189 1147 0.29      
27 B2 1100 1061 25.93      
28 B2 785 758 88.04      
29 B2 430 415 4.63      
30 B2 367 354 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 17829.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17205.2 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
0.09421 0.02855 0.02191

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)
C1 0.000 0.000 2.075
C2 0.000 1.211 1.389
C3 0.000 -1.211 1.389
C4 0.000 1.193 -0.002
C5 0.000 -1.193 -0.002
C6 0.000 0.000 -0.718
Cl7 0.000 2.705 -0.882
Cl8 0.000 -2.705 -0.882
H9 0.000 0.000 3.159
H10 0.000 2.155 1.919
H11 0.000 -2.155 1.919
H12 0.000 0.000 -1.799

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39211.39212.39522.39522.79254.00734.00731.08452.16112.16113.8740
C21.39212.42301.39132.77802.43032.71794.52732.14511.08253.40843.4107
C31.39212.42302.77801.39132.43034.52732.71792.14513.40841.08253.4107
C42.39521.39132.77802.38631.39131.74923.99633.37902.14863.86052.1571
C52.39522.77801.39132.38631.39133.99631.74923.37903.86052.14862.1571
C62.79252.43032.43031.39131.39132.71012.71013.87703.40563.40561.0815
Cl74.00732.71794.52731.74923.99632.71015.41034.86282.85415.60972.8565
Cl84.00734.52732.71793.99631.74922.71015.41034.86285.60972.85412.8565
H91.08452.14512.14513.37903.37903.87704.86284.86282.48682.48684.9585
H102.16111.08253.40842.14863.86053.40562.85415.60972.48684.31094.2978
H112.16113.40841.08253.86052.14863.40565.60972.85412.48684.31094.2978
H123.87403.41073.41072.15712.15711.08152.85652.85654.95854.29784.2978

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.801 C1 C2 H10 121.084
C1 C3 C5 118.801 C1 C3 H11 121.084
C2 C1 C3 120.960 C2 C1 H9 119.520
C2 C4 C6 121.612 C2 C4 Cl7 119.478
C3 C1 H9 119.520 C3 C5 C6 121.612
C3 C5 Cl8 119.478 C4 C2 H10 120.115
C4 C6 C5 118.212 C4 C6 H12 120.894
C5 C3 H11 120.115 C5 C6 H12 120.894
C6 C4 Cl7 118.910 C6 C5 Cl8 118.910
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 C -0.085      
2 C -0.158      
3 C -0.158      
4 C 0.209      
5 C 0.209      
6 C -0.204      
7 Cl -0.163      
8 Cl -0.163      
9 H 0.117      
10 H 0.127      
11 H 0.127      
12 H 0.142      


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 1.745 1.745
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> 428.631
(<r2>)1/2 20.703