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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1151.472064
Energy at 298.15K-1151.476342
HF Energy-1151.472064
Nuclear repulsion energy469.329902
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3244 3109 2.90      
2 A1 3229 3094 5.20      
3 A1 1640 1572 5.66      
4 A1 1494 1432 65.97      
5 A1 1358 1302 1.24      
6 A1 1179 1130 7.01      
7 A1 1163 1115 38.06      
8 A1 1068 1024 8.27      
9 A1 675 646 15.20      
10 A1 489 468 6.24      
11 A1 201 193 0.01      
12 A2 993 952 0.00      
13 A2 870 834 0.00      
14 A2 712 682 0.00      
15 A2 528 506 0.00      
16 A2 137 131 0.00      
17 B1 962 922 1.48      
18 B1 763 731 65.45      
19 B1 449 431 5.29      
20 B1 238 228 1.16      
21 B2 3240 3105 1.61      
22 B2 3217 3083 1.08      
23 B2 1645 1576 8.81      
24 B2 1459 1398 18.75      
25 B2 1269 1216 2.59      
26 B2 1153 1105 0.78      
27 B2 1037 994 37.13      
28 B2 755 723 17.06      
29 B2 432 414 0.50      
30 B2 339 325 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 17969.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17220.1 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/aug-cc-pVDZ
ABC
0.06390 0.04762 0.02728

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.028
C2 0.000 -0.699 -0.028
C3 0.000 1.393 1.181
C4 0.000 -1.393 1.181
C5 0.000 0.697 2.385
C6 0.000 -0.697 2.385
Cl7 0.000 1.597 -1.513
Cl8 0.000 -1.597 -1.513
H9 0.000 2.481 1.163
H10 0.000 -2.481 1.163
H11 0.000 1.248 3.324
H12 0.000 -1.248 3.324

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39841.39412.41662.41302.78781.73462.73402.14303.39573.39643.8763
C21.39842.41661.39412.78782.41302.73401.73463.39572.14303.87633.3964
C31.39412.41662.78641.39092.41202.70114.02421.08773.87402.14763.4011
C42.41661.39412.78642.41201.39094.02422.70113.87401.08773.40112.1476
C52.41302.78781.39092.41201.39364.00004.52222.16233.40441.08862.1596
C62.78782.41302.41201.39091.39364.52224.00003.40442.16232.15961.0886
Cl71.73462.73402.70114.02424.00004.52223.19342.81774.87684.84875.6108
Cl82.73401.73464.02422.70114.52224.00003.19344.87682.81775.61084.8487
H92.14303.39571.08773.87402.16233.40442.81774.87684.96152.48764.3096
H103.39572.14303.87401.08773.40442.16234.87682.81774.96154.30962.4876
H113.39643.87632.14763.40111.08862.15964.84875.61082.48764.30962.4962
H123.87633.39643.40112.14762.15961.08865.61084.84874.30962.48762.4962

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 119.857 C1 C2 Cl8 121.158
C1 C3 C5 120.097 C1 C3 H9 118.907
C2 C1 C3 119.857 C2 C1 Cl7 121.158
C2 C4 C6 120.097 C2 C4 H10 118.907
C3 C1 Cl7 118.985 C3 C5 C6 120.046
C3 C5 H11 119.529 C4 C2 Cl8 118.985
C4 C6 C5 120.046 C4 C6 H12 119.529
C5 C3 H9 120.996 C5 C6 H12 120.425
C6 C4 H10 120.996 C6 C5 H11 120.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.292      
2 C 0.292      
3 C 0.542      
4 C 0.542      
5 C 0.514      
6 C 0.514      
7 Cl -0.249      
8 Cl -0.249      
9 H -0.542      
10 H -0.542      
11 H -0.557      
12 H -0.557      


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 2.572 2.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.829 0.000 0.000
y 0.000 -55.942 0.000
z 0.000 0.000 -54.686
Traceless
 xyz
x -7.516 0.000 0.000
y 0.000 2.816 0.000
z 0.000 0.000 4.699
Polar
3z2-r29.399
x2-y2-6.888
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.680 0.000 0.000
y 0.000 16.007 0.000
z 0.000 0.000 18.498


<r2> (average value of r2) Å2
<r2> 360.785
(<r2>)1/2 18.994