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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-1149.556972
Energy at 298.15K-1149.561089
HF Energy-1148.495710
Nuclear repulsion energy468.563681
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 3245 3072 5.82      
2 A1 3230 3057 6.46      
3 A1 1673 1583 3.37      
4 A1 1542 1459 57.81      
5 A1 1302 1232 0.88      
6 A1 1213 1148 2.38      
7 A1 1194 1130 28.30      
8 A1 1087 1029 5.97      
9 A1 686 649 13.82      
10 A1 494 467 5.16      
11 A1 208 197 0.00      
12 A2 914 865 0.00      
13 A2 847 802 0.00      
14 A2 558 528 0.00      
15 A2 502 475 0.00      
16 A2 138 131 0.00      
17 B1 912 864 1.39      
18 B1 764 723 66.31      
19 B1 441 417 3.76      
20 B1 237 224 0.74      
21 B2 3241 3067 4.29      
22 B2 3218 3046 1.17      
23 B2 1687 1597 5.75      
24 B2 1502 1422 19.24      
25 B2 1311 1241 2.45      
26 B2 1186 1123 2.26      
27 B2 1070 1013 34.01      
28 B2 771 730 13.18      
29 B2 439 416 0.34      
30 B2 346 327 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 17977.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 17015.6 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 CCD/6-31G*
ABC
0.06330 0.04761 0.02717

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 1.392 1.181
C4 0.000 -1.392 1.181
C5 0.000 0.698 2.387
C6 0.000 -0.698 2.387
Cl7 0.000 1.608 -1.512
Cl8 0.000 -1.608 -1.512
H9 0.000 2.479 1.164
H10 0.000 -2.479 1.164
H11 0.000 1.249 3.324
H12 0.000 -1.249 3.324

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39801.39642.41722.41822.79251.73712.74112.14453.39563.40073.8802
C21.39802.41721.39642.79252.41822.74111.73713.39562.14453.88023.4007
C31.39642.41722.78461.39172.41292.70104.03131.08703.87152.14873.4016
C42.41721.39642.78462.41291.39174.03132.70103.87151.08703.40162.1487
C52.41822.79251.39172.41291.39534.00334.52922.16063.40391.08772.1605
C62.79252.41822.41291.39171.39534.52924.00333.40392.16062.16051.0877
Cl71.73712.74112.70104.03134.00334.52923.21612.81424.88534.84965.6169
Cl82.74111.73714.03132.70104.52924.00333.21614.88532.81425.61694.8496
H92.14453.39561.08703.87152.16063.40392.81424.88534.95832.48614.3085
H103.39562.14453.87151.08703.40392.16064.88532.81424.95834.30852.4861
H113.40073.88022.14873.40161.08772.16054.84965.61692.48614.30852.4973
H123.88023.40073.40162.14872.16051.08775.61694.84964.30852.48612.4973

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 119.768 C1 C2 Cl8 121.555
C1 C3 C5 120.291 C1 C3 H9 118.902
C2 C1 C3 119.768 C2 C1 Cl7 121.555
C2 C4 C6 120.291 C2 C4 H10 118.902
C3 C1 Cl7 118.677 C3 C5 C6 119.941
C3 C5 H11 119.624 C4 C2 Cl8 118.677
C4 C6 C5 119.941 C4 C6 H12 119.624
C5 C3 H9 120.807 C5 C6 H12 120.435
C6 C4 H10 120.807 C6 C5 H11 120.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability