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All results from a given calculation for C6H4Cl2 (1,2-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 C2V 1A1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-1148.995052
Energy at 298.15K-1148.999046
HF Energy-1148.365560
Nuclear repulsion energy457.602894
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 A1 3230 3068 9.20      
2 A1 3210 3050 6.84      
3 A1 1608 1528 2.47      
4 A1 1507 1432 42.06      
5 A1 1377 1308 0.01      
6 A1 1231 1170 0.07      
7 A1 1155 1097 22.22      
8 A1 1055 1002 6.93      
9 A1 672 638 12.69      
10 A1 454 431 8.00      
11 A1 194 184 0.00      
12 A2 870 826 0.00      
13 A2 834 793 0.00      
14 A2 590 560 0.00      
15 A2 495 471 0.00      
16 A2 134 127 0.00      
17 B1 882 838 3.02      
18 B1 753 716 77.73      
19 B1 444 422 5.80      
20 B1 229 217 0.93      
21 B2 3223 3062 4.48      
22 B2 3196 3037 1.86      
23 B2 1609 1529 6.59      
24 B2 1478 1405 14.98      
25 B2 1313 1248 2.68      
26 B2 1164 1106 1.97      
27 B2 1053 1000 38.47      
28 B2 741 704 17.45      
29 B2 415 394 0.73      
30 B2 329 313 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17723.0 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 16838.6 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 MP2=FULL/6-31G
ABC
0.06018 0.04524 0.02583

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.702 -0.002
C2 0.000 -0.702 -0.002
C3 0.000 1.408 1.216
C4 0.000 -1.408 1.216
C5 0.000 0.706 2.438
C6 0.000 -0.706 2.438
Cl7 0.000 1.661 -1.558
Cl8 0.000 -1.661 -1.558
H9 0.000 2.497 1.197
H10 0.000 -2.497 1.197
H11 0.000 1.259 3.377
H12 0.000 -1.259 3.377

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40421.40792.43652.44012.81711.82712.82902.15863.41643.42453.9068
C21.40422.43651.40792.81712.44012.82901.82713.41642.15863.90683.4245
C31.40792.43652.81631.40952.44182.78474.13661.08893.90512.16603.4327
C42.43651.40792.81632.44181.40954.13662.78473.90511.08893.43272.1660
C52.44012.81711.40952.44181.41174.10794.64382.17883.43471.08972.1777
C62.81712.44012.44181.40951.41174.64384.10793.43472.17882.17771.0897
Cl71.82712.82902.78474.13664.10794.64383.32222.87864.98764.95055.7335
Cl82.82901.82714.13662.78474.64384.10793.32224.98762.87865.73354.9505
H92.15863.41641.08893.90512.17883.43472.87864.98764.99382.50654.3426
H103.41642.15863.90511.08893.43472.17884.98762.87864.99384.34262.5065
H113.42453.90682.16603.43271.08972.17774.95055.73352.50654.34262.5182
H123.90683.42453.43272.16602.17771.08975.73354.95054.34262.50652.5182

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 120.101 C1 C2 Cl8 121.660
C1 C3 C5 120.013 C1 C3 H9 119.118
C2 C1 C3 120.101 C2 C1 Cl7 121.660
C2 C4 C6 120.013 C2 C4 H10 119.118
C3 C1 Cl7 118.239 C3 C5 C6 119.886
C3 C5 H11 119.605 C4 C2 Cl8 118.239
C4 C6 C5 119.886 C4 C6 H12 119.605
C5 C3 H9 120.869 C5 C6 H12 120.509
C6 C4 H10 120.869 C6 C5 H11 120.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability