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All results from a given calculation for C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-1149.521978
Energy at 298.15K-1149.525940
HF Energy-1148.500227
Nuclear repulsion energy452.284852
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 MP2/6-31G*
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 3262 3076 2.48      
2 A1 3262 3076 0.38      
3 A1 3238 3053 3.65      
4 A1 1648 1555 23.90      
5 A1 1469 1385 14.67      
6 A1 1173 1106 16.86      
7 A1 1121 1057 13.69      
8 A1 1016 958 5.43      
9 A1 682 643 1.51      
10 A1 409 386 2.42      
11 A1 201 189 0.46      
12 A2 844 796 0.00      
13 A2 514 484 0.00      
14 A2 202 190 0.00      
15 B1 890 840 0.31      
16 B1 813 767 3.03      
17 B1 751 708 72.55      
18 B1 473 446 0.43      
19 B1 426 402 3.12      
20 B1 168 158 0.05      
21 B2 3257 3072 0.31      
22 B2 1652 1558 67.58      
23 B2 1521 1435 65.84      
24 B2 1464 1380 0.97      
25 B2 1320 1245 2.97      
26 B2 1221 1152 0.28      
27 B2 1134 1070 21.01      
28 B2 815 769 71.39      
29 B2 438 413 2.65      
30 B2 374 353 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 17878.3 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 16859.3 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 MP2/6-31G*
ABC
0.09409 0.02863 0.02195

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.077
C2 0.000 1.214 1.390
C3 0.000 -1.214 1.390
C4 0.000 1.197 -0.005
C5 0.000 -1.197 -0.005
C6 0.000 0.000 -0.720
Cl7 0.000 2.700 -0.881
Cl8 0.000 -2.700 -0.881
H9 0.000 0.000 3.164
H10 0.000 2.160 1.923
H11 0.000 -2.160 1.923
H12 0.000 0.000 -1.806

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39531.39532.40172.40172.79714.00494.00491.08692.16592.16593.8825
C21.39532.42871.39492.78592.43442.71364.52512.14991.08573.41653.4183
C31.39532.42872.78591.39492.43444.52512.71362.14993.41651.08573.4183
C42.40171.39492.78592.39441.39451.73923.99403.38752.15473.87152.1622
C52.40172.78591.39492.39441.39453.99401.73923.38753.87152.15472.1622
C62.79712.43442.43441.39451.39452.70432.70433.88403.41333.41331.0854
Cl74.00492.71364.52511.73923.99402.70435.39904.86332.85525.61072.8533
Cl84.00494.52512.71363.99401.73922.70435.39904.86335.61072.85522.8533
H91.08692.14992.14993.38753.38753.88404.86334.86332.49172.49174.9695
H102.16591.08573.41652.15473.87153.41332.85525.61072.49174.32084.3088
H112.16593.41651.08573.87152.15473.41335.61072.85522.49174.32084.3088
H123.88253.41833.41832.16222.16221.08542.85332.85334.96954.30884.3088

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.802 C1 C2 H10 121.113
C1 C3 C5 118.802 C1 C3 H11 121.113
C2 C1 C3 120.988 C2 C1 H9 119.506
C2 C4 C6 121.554 C2 C4 Cl7 119.552
C3 C1 H9 119.506 C3 C5 C6 121.554
C3 C5 Cl8 119.552 C4 C2 H10 120.084
C4 C6 C5 118.300 C4 C6 H12 120.850
C5 C3 H11 120.084 C5 C6 H12 120.850
C6 C4 Cl7 118.894 C6 C5 Cl8 118.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability