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All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-1150.835788
Energy at 298.15K-1150.840031
HF Energy-1150.835788
Nuclear repulsion energy469.908306
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 PBE1PBE/6-31G*
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 3255 3093 3.91      
2 A1 3240 3079 6.49      
3 A1 1654 1572 4.11      
4 A1 1518 1442 67.33      
5 A1 1364 1296 1.11      
6 A1 1197 1137 2.66      
7 A1 1175 1117 44.48      
8 A1 1079 1025 7.41      
9 A1 679 645 16.90      
10 A1 492 467 6.70      
11 A1 205 195 0.01      
12 A2 994 945 0.00      
13 A2 873 829 0.00      
14 A2 712 676 0.00      
15 A2 526 500 0.00      
16 A2 140 133 0.00      
17 B1 956 908 2.06      
18 B1 768 730 63.07      
19 B1 451 429 4.40      
20 B1 239 227 0.85      
21 B2 3251 3089 2.95      
22 B2 3227 3067 1.14      
23 B2 1664 1581 7.70      
24 B2 1485 1411 20.13      
25 B2 1290 1226 3.04      
26 B2 1169 1111 1.84      
27 B2 1052 1000 39.89      
28 B2 761 723 18.41      
29 B2 438 416 0.47      
30 B2 343 326 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 18096.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17197.3 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 PBE1PBE/6-31G*
ABC
0.06389 0.04780 0.02734

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.031
C2 0.000 -0.699 -0.031
C3 0.000 1.390 1.179
C4 0.000 -1.390 1.179
C5 0.000 0.696 2.382
C6 0.000 -0.696 2.382
Cl7 0.000 1.598 -1.509
Cl8 0.000 -1.598 -1.509
H9 0.000 2.475 1.161
H10 0.000 -2.475 1.161
H11 0.000 1.246 3.318
H12 0.000 -1.246 3.318

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39821.39352.41452.41302.78731.72972.73142.13923.39093.39353.8731
C21.39822.41451.39352.78732.41302.73141.72973.39092.13923.87313.3935
C31.39352.41452.78081.38912.40842.69564.01931.08513.86582.14403.3954
C42.41451.39352.78082.40841.38914.01932.69563.86581.08513.39542.1440
C52.41302.78731.38912.40841.39203.99394.51672.15803.39831.08592.1561
C62.78732.41302.40841.38911.39204.51673.99393.39832.15802.15611.0859
Cl71.72972.73142.69564.01933.99394.51673.19622.81014.87044.83955.6025
Cl82.73141.72974.01932.69564.51673.99393.19624.87042.81015.60254.8395
H92.13923.39091.08513.86582.15803.39832.81014.87044.95072.48264.3016
H103.39092.13923.86581.08513.39832.15804.87042.81014.95074.30162.4826
H113.39353.87312.14403.39541.08592.15614.83955.60252.48264.30162.4927
H123.87313.39353.39542.14402.15611.08595.60254.83954.30162.48262.4927

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.742 C1 C2 Cl8 121.317
C1 C3 C5 120.265 C1 C3 H9 118.796
C2 C1 C3 119.742 C2 C1 Cl7 121.317
C2 C4 C6 120.265 C2 C4 H10 118.796
C3 C1 Cl7 118.942 C3 C5 C6 119.993
C3 C5 H11 119.552 C4 C2 Cl8 118.942
C4 C6 C5 119.993 C4 C6 H12 119.552
C5 C3 H9 120.938 C5 C6 H12 120.455
C6 C4 H10 120.938 C6 C5 H11 120.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.115      
3 C -0.155      
4 C -0.155      
5 C -0.164      
6 C -0.164      
7 Cl 0.046      
8 Cl 0.046      
9 H 0.201      
10 H 0.201      
11 H 0.186      
12 H 0.186      


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 2.724 2.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.947 0.000 0.000
y 0.000 -54.971 0.000
z 0.000 0.000 -53.794
Traceless
 xyz
x -7.565 0.000 0.000
y 0.000 2.899 0.000
z 0.000 0.000 4.666
Polar
3z2-r29.331
x2-y2-6.976
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.519 0.000 0.000
y 0.000 13.475 0.000
z 0.000 0.000 15.993


<r2> (average value of r2) Å2
<r2> 359.496
(<r2>)1/2 18.960