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

using model chemistry: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-1150.898728
Energy at 298.15K-1150.902605
HF Energy-1150.530964
Nuclear repulsion energy468.034284
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 B2PLYP=FULL/6-31+G**
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 3256 3096 4.99      
2 A1 3241 3082 6.05      
3 A1 1627 1547 4.54      
4 A1 1506 1432 59.76      
5 A1 1357 1291 1.42      
6 A1 1197 1139 0.32      
7 A1 1160 1103 46.13      
8 A1 1065 1012 10.85      
9 A1 674 641 15.25      
10 A1 484 460 7.11      
11 A1 203 193 0.02      
12 A2 957 910 0.00      
13 A2 850 809 0.00      
14 A2 523 498 0.00      
15 A2 308 292 0.00      
16 A2 131 125 0.00      
17 B1 939 893 1.40      
18 B1 761 724 75.14      
19 B1 434 413 5.11      
20 B1 230 218 1.50      
21 B2 3251 3092 3.39      
22 B2 3229 3071 1.16      
23 B2 1637 1557 9.78      
24 B2 1475 1403 18.09      
25 B2 1290 1226 3.73      
26 B2 1162 1105 1.70      
27 B2 1049 998 39.69      
28 B2 755 718 18.25      
29 B2 432 411 0.50      
30 B2 341 324 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 17761.9 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 16891.5 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 B2PLYP=FULL/6-31+G**
ABC
0.06324 0.04744 0.02711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.700 -0.030
C2 0.000 -0.700 -0.030
C3 0.000 1.394 1.183
C4 0.000 -1.394 1.183
C5 0.000 0.698 2.391
C6 0.000 -0.698 2.391
Cl7 0.000 1.608 -1.515
Cl8 0.000 -1.608 -1.515
H9 0.000 2.476 1.167
H10 0.000 -2.476 1.167
H11 0.000 1.247 3.324
H12 0.000 -1.247 3.324

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40101.39772.42082.42062.79571.74052.74522.14173.39493.39833.8786
C21.40102.42081.39772.79572.42062.74521.74053.39492.14173.87863.3983
C31.39772.42082.78871.39362.41602.70674.03701.08233.87092.14573.4002
C42.42081.39772.78872.41601.39364.03702.70673.87091.08233.40022.1457
C52.42062.79571.39362.41601.39664.01024.53592.15863.40251.08292.1580
C62.79572.42062.41601.39361.39664.53594.01023.40252.15862.15801.0829
Cl71.74052.74522.70674.03704.01024.53593.21692.81874.88664.85235.6188
Cl82.74521.74054.03702.70674.53594.01023.21694.88662.81875.61884.8523
H92.14173.39491.08233.87092.15863.40252.81874.88664.95302.48274.3035
H103.39492.14173.87091.08233.40252.15864.88662.81874.95304.30352.4827
H113.39833.87862.14573.40021.08292.15804.85235.61882.48274.30352.4948
H123.87863.39833.40022.14572.15801.08295.61884.85234.30352.48272.4948

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 119.765 C1 C2 Cl8 121.445
C1 C3 C5 120.271 C1 C3 H9 118.896
C2 C1 C3 119.765 C2 C1 Cl7 121.445
C2 C4 C6 120.271 C2 C4 H10 118.896
C3 C1 Cl7 118.790 C3 C5 C6 119.964
C3 C5 H11 119.567 C4 C2 Cl8 118.790
C4 C6 C5 119.964 C4 C6 H12 119.567
C5 C3 H9 120.833 C5 C6 H12 120.469
C6 C4 H10 120.833 C6 C5 H11 120.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability