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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1150.761266
Energy at 298.15K-1150.765307
HF Energy-1150.761266
Nuclear repulsion energy467.659474
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 PBEPBE/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 3151 3119 3.00      
2 A1 3135 3103 6.24      
3 A1 1567 1551 3.78      
4 A1 1441 1426 62.50      
5 A1 1335 1321 1.39      
6 A1 1147 1135 3.32      
7 A1 1121 1109 47.41      
8 A1 1035 1024 6.70      
9 A1 650 643 15.19      
10 A1 472 467 6.32      
11 A1 194 192 0.01      
12 A2 936 926 0.00      
13 A2 839 831 0.00      
14 A2 693 686 0.00      
15 A2 508 503 0.00      
16 A2 133 132 0.00      
17 B1 902 893 1.44      
18 B1 740 733 47.37      
19 B1 433 429 2.87      
20 B1 229 226 0.47      
21 B2 3147 3114 2.45      
22 B2 3123 3090 1.11      
23 B2 1572 1555 7.14      
24 B2 1413 1399 17.62      
25 B2 1230 1217 3.06      
26 B2 1119 1107 1.35      
27 B2 1006 995 35.74      
28 B2 729 722 18.81      
29 B2 420 416 0.67      
30 B2 328 324 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 17372.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 17194.0 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 PBEPBE/6-31G(2df,p)
ABC
0.06342 0.04729 0.02709

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.703 -0.031
C2 0.000 -0.703 -0.031
C3 0.000 1.399 1.185
C4 0.000 -1.399 1.185
C5 0.000 0.700 2.394
C6 0.000 -0.700 2.394
Cl7 0.000 1.602 -1.517
Cl8 0.000 -1.602 -1.517
H9 0.000 2.490 1.164
H10 0.000 -2.490 1.164
H11 0.000 1.254 3.336
H12 0.000 -1.254 3.336

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40691.40092.42892.42492.80161.73692.74322.14993.41023.41113.8939
C21.40692.42891.40092.80162.42492.74321.73693.41022.14993.89393.4111
C31.40092.42892.79821.39672.42212.70994.03861.09163.88962.15543.4149
C42.42891.40092.79822.42211.39674.03862.70993.88961.09163.41492.1554
C52.42492.80161.39672.42211.39934.01404.53832.17243.41891.09242.1683
C62.80162.42492.42211.39671.39934.53834.01403.41892.17242.16831.0924
Cl71.73692.74322.70994.03864.01404.53833.20432.82484.89294.86535.6307
Cl82.74321.73694.03862.70994.53834.01403.20434.89292.82485.63074.8653
H92.14993.41021.09163.88962.17243.41892.82484.89294.98092.49884.3281
H103.41022.14993.88961.09163.41892.17244.89292.82484.98094.32812.4988
H113.41113.89392.15543.41491.09242.16834.86535.63072.49884.32812.5072
H123.89393.41113.41492.15542.16831.09245.63074.86534.32812.49882.5072

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 119.775 C1 C2 Cl8 121.158
C1 C3 C5 120.173 C1 C3 H9 118.686
C2 C1 C3 119.775 C2 C1 Cl7 121.158
C2 C4 C6 120.173 C2 C4 H10 118.686
C3 C1 Cl7 119.067 C3 C5 C6 120.053
C3 C5 H11 119.476 C4 C2 Cl8 119.067
C4 C6 C5 120.053 C4 C6 H12 119.476
C5 C3 H9 121.141 C5 C6 H12 120.471
C6 C4 H10 121.141 C6 C5 H11 120.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 C 0.134      
3 C -0.147      
4 C -0.147      
5 C -0.111      
6 C -0.111      
7 Cl -0.124      
8 Cl -0.124      
9 H 0.132      
10 H 0.132      
11 H 0.117      
12 H 0.117      


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 2.488 2.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.188 0.000 0.000
y 0.000 -55.393 0.000
z 0.000 0.000 -54.166
Traceless
 xyz
x -6.408 0.000 0.000
y 0.000 2.283 0.000
z 0.000 0.000 4.125
Polar
3z2-r28.249
x2-y2-5.794
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.922 0.000 0.000
y 0.000 14.772 0.000
z 0.000 0.000 17.437


<r2> (average value of r2) Å2
<r2> 362.542
(<r2>)1/2 19.041