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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-1148.998807
Energy at 298.15K-1149.002742
HF Energy-1148.371359
Nuclear repulsion energy438.128036
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 MP2=FULL/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 Ag 3233 3072 0.00      
2 Ag 1607 1527 0.00      
3 Ag 1239 1177 0.00      
4 Ag 1098 1043 0.00      
5 Ag 744 707 0.00      
6 Ag 316 300 0.00      
7 Au 891 846 0.00      
8 Au 414 394 0.00      
9 B1g 818 777 0.00      
10 B1u 3215 3055 0.30      
11 B1u 1524 1448 74.91      
12 B1u 1117 1061 75.53      
13 B1u 1038 986 81.77      
14 B1u 509 484 26.18      
15 B2g 860 818 0.00      
16 B2g 564 536 0.00      
17 B2g 288 274 0.00      
18 B2u 3231 3070 3.40      
19 B2u 1422 1351 6.80      
20 B2u 1374 1306 0.02      
21 B2u 1146 1089 3.67      
22 B2u 209 198 1.69      
23 B3g 3216 3055 0.00      
24 B3g 1614 1534 0.00      
25 B3g 1355 1287 0.00      
26 B3g 649 616 0.00      
27 B3g 344 327 0.00      
28 B3u 797 758 75.17      
29 B3u 483 459 18.58      
30 B3u 98 93 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 17706.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 16823.2 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 MP2=FULL/6-31G
ABC
0.18528 0.02093 0.01880

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.392
C2 0.000 0.000 -1.392
C3 0.000 1.225 0.706
C4 0.000 -1.225 0.706
C5 0.000 -1.225 -0.706
C6 0.000 1.225 -0.706
Cl7 0.000 0.000 3.228
Cl8 0.000 0.000 -3.228
H9 0.000 2.165 1.256
H10 0.000 -2.165 1.256
H11 0.000 -2.165 -1.256
H12 0.000 2.165 -1.256

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78481.40471.40472.42992.42991.83544.62022.16952.16953.42053.4205
C22.78482.42992.42991.40471.40474.62021.83543.42053.42052.16952.1695
C31.40472.42992.45092.82851.41182.80394.12021.08873.43493.91712.1749
C41.40472.42992.45091.41182.82852.80394.12023.43491.08872.17493.9171
C52.42991.40472.82851.41182.45094.12022.80393.91712.17491.08873.4349
C62.42991.40471.41182.82852.45094.12022.80392.17493.91713.43491.0887
Cl71.83544.62022.80392.80394.12024.12026.45572.92882.92884.97884.9788
Cl84.62021.83544.12024.12022.80392.80396.45574.97884.97882.92882.9288
H92.16953.42051.08873.43493.91712.17492.92884.97884.33045.00582.5110
H102.16953.42053.43491.08872.17493.91712.92884.97884.33042.51105.0058
H113.42052.16953.91712.17491.08873.43494.97882.92885.00582.51104.3304
H123.42052.16952.17493.91713.43491.08874.97882.92882.51105.00584.3304

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.258 C1 C3 H9 120.419
C1 C4 C5 119.258 C1 C4 H10 120.419
C2 C5 C4 119.258 C2 C5 H11 120.419
C2 C6 C3 119.258 C2 C6 H12 120.419
C3 C1 C4 121.484 C3 C1 Cl7 119.258
C3 C6 H12 120.323 C4 C1 Cl7 119.258
C4 C5 H11 120.323 C5 C2 C6 121.484
C5 C2 Cl8 119.258 C5 C4 H10 120.323
C6 C2 Cl8 119.258 C6 C3 H9 120.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability