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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-1151.412232
Energy at 298.15K-1151.416502
HF Energy-1151.412232
Nuclear repulsion energy469.722540
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 mPW1PW91/6-31+G**
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 3098 3.41      
2 A1 3240 3084 5.53      
3 A1 1644 1565 5.42      
4 A1 1509 1436 67.07      
5 A1 1357 1292 1.38      
6 A1 1191 1134 2.21      
7 A1 1168 1112 46.71      
8 A1 1073 1021 10.25      
9 A1 677 644 16.66      
10 A1 490 467 6.89      
11 A1 204 194 0.02      
12 A2 1001 953 0.00      
13 A2 874 832 0.00      
14 A2 720 686 0.00      
15 A2 528 502 0.00      
16 A2 137 130 0.00      
17 B1 965 918 1.94      
18 B1 767 730 77.12      
19 B1 450 429 5.83      
20 B1 238 227 1.45      
21 B2 3250 3094 2.37      
22 B2 3228 3072 1.06      
23 B2 1654 1574 10.30      
24 B2 1476 1405 19.97      
25 B2 1284 1222 3.06      
26 B2 1164 1107 1.27      
27 B2 1051 1000 41.08      
28 B2 759 723 18.81      
29 B2 437 416 0.43      
30 B2 343 326 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18065.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 17194.6 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 mPW1PW91/6-31+G**
ABC
0.06384 0.04775 0.02732

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

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 1.391 1.179
C4 0.000 -1.391 1.179
C5 0.000 0.696 2.383
C6 0.000 -0.696 2.383
Cl7 0.000 1.599 -1.510
Cl8 0.000 -1.599 -1.510
H9 0.000 2.474 1.162
H10 0.000 -2.474 1.162
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
C11.39831.39402.41512.41402.78831.73102.73282.13873.39023.39293.8724
C21.39832.41511.39402.78832.41402.73281.73103.39022.13873.87243.3929
C31.39402.41512.78161.38972.40942.69714.02111.08343.86492.14323.3947
C42.41511.39402.78162.40941.38974.02112.69713.86491.08343.39472.1432
C52.41402.78831.38972.40941.39273.99604.51912.15653.39741.08412.1553
C62.78832.41402.40941.38971.39274.51913.99603.39742.15652.15531.0841
Cl71.73102.73282.69714.02113.99604.51913.19802.81164.87134.84025.6032
Cl82.73281.73104.02112.69714.51913.99603.19804.87132.81165.60324.8402
H92.13873.39021.08343.86492.15653.39742.81164.87134.94822.48084.2992
H103.39022.13873.86491.08343.39742.15654.87132.81164.94824.29922.4808
H113.39293.87242.14323.39471.08412.15534.84025.60322.48084.29922.4916
H123.87243.39293.39472.14322.15531.08415.60324.84024.29922.48082.4916

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 119.747 C1 C2 Cl8 121.321
C1 C3 C5 120.273 C1 C3 H9 118.845
C2 C1 C3 119.747 C2 C1 Cl7 121.321
C2 C4 C6 120.273 C2 C4 H10 118.845
C3 C1 Cl7 118.932 C3 C5 C6 119.980
C3 C5 H11 119.568 C4 C2 Cl8 118.932
C4 C6 C5 119.980 C4 C6 H12 119.568
C5 C3 H9 120.883 C5 C6 H12 120.451
C6 C4 H10 120.883 C6 C5 H11 120.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C -0.189      
3 C -0.330      
4 C -0.330      
5 C -0.155      
6 C -0.155      
7 Cl 0.318      
8 Cl 0.318      
9 H 0.185      
10 H 0.185      
11 H 0.171      
12 H 0.171      


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 2.646 2.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.923 0.000 0.000
y 0.000 -55.876 0.000
z 0.000 0.000 -54.725
Traceless
 xyz
x -7.623 0.000 0.000
y 0.000 2.949 0.000
z 0.000 0.000 4.674
Polar
3z2-r29.349
x2-y2-7.048
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.396 0.000 0.000
y 0.000 14.852 0.000
z 0.000 0.000 17.329


<r2> (average value of r2) Å2
<r2> 360.355
(<r2>)1/2 18.983