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

using model chemistry: MP2/6-31+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 MP2/6-31+G**
 hartrees
Energy at 0K-1149.570007
Energy at 298.15K 
HF Energy-1148.513738
Nuclear repulsion energy452.135678
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 MP2/6-31+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 3288 3092 2.93      
2 A1 3286 3091 0.12      
3 A1 3263 3069 3.77      
4 A1 1640 1543 23.83      
5 A1 1460 1373 11.78      
6 A1 1168 1099 20.18      
7 A1 1113 1047 15.18      
8 A1 1015 955 4.26      
9 A1 679 639 1.45      
10 A1 409 384 2.18      
11 A1 199 187 0.30      
12 A2 842 792 0.00      
13 A2 379 356 0.00      
14 A2 187 176 0.00      
15 B1 891 838 0.38      
16 B1 811 763 1.97      
17 B1 743 699 81.41      
18 B1 396 372 4.32      
19 B1 156 147 0.34      
20 B1 420i 395i 0.13      
21 B2 3282 3087 0.66      
22 B2 1644 1547 79.81      
23 B2 1516 1426 58.04      
24 B2 1465 1378 1.36      
25 B2 1318 1240 2.63      
26 B2 1211 1139 0.65      
27 B2 1130 1063 23.12      
28 B2 814 765 70.77      
29 B2 436 410 2.60      
30 B2 371 349 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 17345.1 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 16314.8 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 MP2/6-31+G**
ABC
0.09398 0.02860 0.02193

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.079
C2 0.000 1.216 1.391
C3 0.000 -1.216 1.391
C4 0.000 1.200 -0.005
C5 0.000 -1.200 -0.005
C6 0.000 0.000 -0.719
Cl7 0.000 2.700 -0.882
Cl8 0.000 -2.700 -0.882
H9 0.000 0.000 3.162
H10 0.000 2.158 1.923
H11 0.000 -2.158 1.923
H12 0.000 0.000 -1.801

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39701.39702.40472.40472.79824.00714.00711.08282.16352.16353.8797
C21.39702.43191.39642.79012.43572.71474.52802.14791.08173.41553.4157
C31.39702.43192.79011.39642.43574.52802.71472.14793.41551.08173.4157
C42.40471.39642.79012.39931.39611.73793.99723.38652.15313.87182.1595
C52.40472.79011.39642.39931.39613.99721.73793.38653.87182.15312.1595
C62.79822.43572.43571.39611.39612.70512.70513.88103.41143.41141.0815
Cl74.00712.71474.52801.73793.99722.70515.40044.86232.85675.60962.8523
Cl84.00714.52802.71473.99721.73792.70515.40044.86235.60962.85672.8523
H91.08282.14792.14793.38653.38653.88104.86234.86232.48822.48824.9625
H102.16351.08173.41552.15313.87183.41142.85675.60962.48824.31584.3038
H112.16353.41551.08173.87182.15313.41145.60962.85672.48824.31584.3038
H123.87973.41573.41572.15952.15951.08152.85232.85234.96254.30384.3038

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 118.825 C1 C2 H10 121.059
C1 C3 C5 118.825 C1 C3 H11 121.059
C2 C1 C3 121.013 C2 C1 H9 119.493
C2 C4 C6 121.432 C2 C4 Cl7 119.627
C3 C1 H9 119.493 C3 C5 C6 121.432
C3 C5 Cl8 119.627 C4 C2 H10 120.116
C4 C6 C5 118.472 C4 C6 H12 120.764
C5 C3 H11 120.116 C5 C6 H12 120.764
C6 C4 Cl7 118.941 C6 C5 Cl8 118.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability