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

using model chemistry: CCD/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 CCD/6-311G*
 hartrees
Energy at 0K-1149.692281
Energy at 298.15K-1149.696307
HF Energy-1148.582733
Nuclear repulsion energy468.447385
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 CCD/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 3227 3082 6.74      
2 A1 3211 3067 6.48      
3 A1 1652 1577 4.25      
4 A1 1527 1458 61.92      
5 A1 1284 1226 1.87      
6 A1 1193 1139 12.70      
7 A1 1183 1130 20.98      
8 A1 1073 1025 6.02      
9 A1 681 650 14.06      
10 A1 493 471 4.56      
11 A1 208 199 0.03      
12 A2 892 852 0.00      
13 A2 830 793 0.00      
14 A2 491 469 0.00      
15 A2 472 451 0.00      
16 A2 135 129 0.00      
17 B1 895 855 0.88      
18 B1 752 718 77.03      
19 B1 435 416 6.90      
20 B1 233 223 2.06      
21 B2 3221 3077 5.58      
22 B2 3198 3054 1.06      
23 B2 1667 1592 7.22      
24 B2 1484 1417 22.37      
25 B2 1298 1240 2.77      
26 B2 1170 1117 2.88      
27 B2 1060 1012 36.70      
28 B2 768 733 13.88      
29 B2 435 416 0.10      
30 B2 342 327 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17753.6 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 16956.5 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 CCD/6-311G*
ABC
0.06323 0.04761 0.02716

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.700 -0.034
C2 0.000 -0.700 -0.034
C3 0.000 1.394 1.180
C4 0.000 -1.394 1.180
C5 0.000 0.699 2.388
C6 0.000 -0.699 2.388
Cl7 0.000 1.609 -1.511
Cl8 0.000 -1.609 -1.511
H9 0.000 2.480 1.162
H10 0.000 -2.480 1.162
H11 0.000 1.250 3.325
H12 0.000 -1.250 3.325

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39981.39842.42012.42242.79721.73402.74052.14493.39763.40443.8846
C21.39982.42011.39842.79722.42242.74051.73403.39762.14493.88463.4044
C31.39842.42012.78711.39372.41622.69964.03171.08653.87362.15023.4047
C42.42011.39842.78712.41621.39374.03172.69963.87361.08653.40472.1502
C52.42242.79721.39372.41621.39774.00394.53082.16213.40701.08732.1626
C62.79722.42242.41621.39371.39774.53084.00393.40702.16212.16261.0873
Cl71.73402.74052.69964.03174.00394.53083.21732.81184.88514.84975.6181
Cl82.74051.73404.03172.69964.53084.00393.21734.88512.81185.61814.8497
H92.14493.39761.08653.87362.16213.40702.81184.88514.96002.48824.3119
H103.39762.14493.87361.08653.40702.16214.88512.81184.96004.31192.4882
H113.40443.88462.15023.40471.08732.16264.84975.61812.48824.31192.5002
H123.88463.40443.40472.15022.16261.08735.61814.84974.31192.48822.5002

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 119.739 C1 C2 Cl8 121.605
C1 C3 C5 120.362 C1 C3 H9 118.810
C2 C1 C3 119.739 C2 C1 Cl7 121.605
C2 C4 C6 120.362 C2 C4 H10 118.810
C3 C1 Cl7 118.656 C3 C5 C6 119.899
C3 C5 H11 119.638 C4 C2 Cl8 118.656
C4 C6 C5 119.899 C4 C6 H12 119.638
C5 C3 H9 120.828 C5 C6 H12 120.462
C6 C4 H10 120.828 C6 C5 H11 120.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability