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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-1149.444939
Energy at 298.15K-1149.449371
HF Energy-1148.584162
Nuclear repulsion energy471.453642
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 CID/6-311G*
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 3343 3106 6.43      
2 A1 3326 3090 7.34      
3 A1 1721 1599 4.54      
4 A1 1588 1475 70.33      
5 A1 1309 1216 1.96      
6 A1 1232 1145 30.26      
7 A1 1215 1129 8.34      
8 A1 1113 1034 6.50      
9 A1 706 656 16.14      
10 A1 511 474 5.64      
11 A1 216 201 0.03      
12 A2 998 927 0.00      
13 A2 905 841 0.00      
14 A2 651 605 0.00      
15 A2 535 497 0.00      
16 A2 143 133 0.00      
17 B1 991 921 1.60      
18 B1 806 749 79.12      
19 B1 469 435 8.03      
20 B1 248 230 2.03      
21 B2 3338 3101 5.42      
22 B2 3312 3077 1.20      
23 B2 1737 1614 7.73      
24 B2 1545 1435 25.69      
25 B2 1350 1255 3.36      
26 B2 1213 1127 3.52      
27 B2 1098 1020 40.09      
28 B2 793 737 16.79      
29 B2 453 421 0.18      
30 B2 357 332 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 18610.9 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 17291.4 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 CID/6-311G*
ABC
0.06395 0.04824 0.02750

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.694 -0.032
C2 0.000 -0.694 -0.032
C3 0.000 1.383 1.173
C4 0.000 -1.383 1.173
C5 0.000 0.693 2.372
C6 0.000 -0.693 2.372
Cl7 0.000 1.601 -1.502
Cl8 0.000 -1.601 -1.502
H9 0.000 2.459 1.157
H10 0.000 -2.459 1.157
H11 0.000 1.240 3.300
H12 0.000 -1.240 3.300

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38881.38772.40122.40382.77571.72692.72572.12793.37033.37703.8534
C21.38882.40121.38772.77572.40382.72571.72693.37032.12793.85343.3770
C31.38772.40122.76511.38272.39732.68354.00701.07683.84182.13253.3771
C42.40121.38772.76512.39731.38274.00702.68353.84181.07683.37712.1325
C52.40382.77571.38272.39731.38693.97834.50212.14333.37871.07772.1450
C62.77572.40382.39731.38271.38694.50213.97833.37872.14332.14501.0777
Cl71.72692.72572.68354.00703.97834.50213.20252.79354.85334.81585.5798
Cl82.72571.72694.00702.68354.50213.97833.20254.85332.79355.57984.8158
H92.12793.37031.07683.84182.14333.37872.79354.85334.91852.46634.2755
H103.37032.12793.84181.07683.37872.14334.85332.79354.91854.27552.4663
H113.37703.85342.13253.37711.07772.14504.81585.57982.46634.27552.4799
H123.85343.37703.37712.13252.14501.07775.57984.81584.27552.46632.4799

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 119.731 C1 C2 Cl8 121.679
C1 C3 C5 120.377 C1 C3 H9 118.875
C2 C1 C3 119.731 C2 C1 Cl7 121.679
C2 C4 C6 120.377 C2 C4 H10 118.875
C3 C1 Cl7 118.590 C3 C5 C6 119.891
C3 C5 H11 119.641 C4 C2 Cl8 118.590
C4 C6 C5 119.891 C4 C6 H12 119.641
C5 C3 H9 120.747 C5 C6 H12 120.468
C6 C4 H10 120.747 C6 C5 H11 120.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability