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

using model chemistry: CCD/6-31G**

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/6-31G**
 hartrees
Energy at 0K-1149.589217
Energy at 298.15K-1149.593367
HF Energy-1148.503350
Nuclear repulsion energy468.784984
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/6-31G**
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 3294 3088 7.03      
2 A1 3278 3074 6.79      
3 A1 1676 1572 3.37      
4 A1 1548 1451 52.70      
5 A1 1305 1223 1.18      
6 A1 1211 1135 4.16      
7 A1 1195 1121 29.43      
8 A1 1087 1020 5.23      
9 A1 685 642 13.31      
10 A1 494 463 4.96      
11 A1 207 194 0.00      
12 A2 937 878 0.00      
13 A2 859 805 0.00      
14 A2 550 516 0.00      
15 A2 499 468 0.00      
16 A2 138 129 0.00      
17 B1 931 873 1.24      
18 B1 770 722 58.01      
19 B1 440 412 3.35      
20 B1 236 222 0.64      
21 B2 3289 3084 5.70      
22 B2 3266 3062 1.14      
23 B2 1692 1587 6.22      
24 B2 1510 1415 16.85      
25 B2 1315 1233 3.05      
26 B2 1187 1113 2.82      
27 B2 1070 1003 33.50      
28 B2 771 723 12.71      
29 B2 439 412 0.34      
30 B2 345 324 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 18112.3 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 16982.1 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 CCD/6-31G**
ABC
0.06331 0.04765 0.02719

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.032
C2 0.000 -0.699 -0.032
C3 0.000 1.391 1.180
C4 0.000 -1.391 1.180
C5 0.000 0.697 2.386
C6 0.000 -0.697 2.386
Cl7 0.000 1.609 -1.511
Cl8 0.000 -1.609 -1.511
H9 0.000 2.472 1.164
H10 0.000 -2.472 1.164
H11 0.000 1.245 3.318
H12 0.000 -1.245 3.318

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39801.39622.41662.41812.79231.73642.74092.13883.38913.39463.8736
C21.39802.41661.39622.79232.41812.74091.73643.38912.13883.87363.3946
C31.39622.41662.78291.39122.41182.70034.03041.08063.86342.14293.3946
C42.41661.39622.78292.41181.39124.03042.70033.86341.08063.39462.1429
C52.41812.79231.39122.41181.39474.00234.52832.15463.39671.08132.1547
C62.79232.41812.41181.39121.39474.52834.00233.39672.15462.15471.0813
Cl71.73642.74092.70034.03044.00234.52833.21712.81124.87944.84315.6096
Cl82.74091.73644.03042.70034.52834.00233.21714.87942.81125.60964.8431
H92.13883.38911.08063.86342.15463.39672.81124.87944.94392.47894.2963
H103.38912.13883.86341.08063.39672.15464.87942.81124.94394.29632.4789
H113.39463.87362.14293.39461.08132.15474.84315.60962.47894.29632.4906
H123.87363.39463.39462.14292.15471.08135.60964.84314.29632.47892.4906

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 119.732 C1 C2 Cl8 121.587
C1 C3 C5 120.340 C1 C3 H9 118.876
C2 C1 C3 119.732 C2 C1 Cl7 121.587
C2 C4 C6 120.340 C2 C4 H10 118.876
C3 C1 Cl7 118.680 C3 C5 C6 119.928
C3 C5 H11 119.627 C4 C2 Cl8 118.680
C4 C6 C5 119.928 C4 C6 H12 119.627
C5 C3 H9 120.784 C5 C6 H12 120.445
C6 C4 H10 120.784 C6 C5 H11 120.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability