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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-1149.570673
Energy at 298.15K-1149.574752
HF Energy-1148.500057
Nuclear repulsion energy451.616080
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 QCISD/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 3244 3089 0.31      
2 A1 3239 3085 3.71      
3 A1 3212 3059 5.10      
4 A1 1668 1589 22.06      
5 A1 1479 1408 14.63      
6 A1 1177 1121 16.88      
7 A1 1124 1070 11.96      
8 A1 1020 971 4.81      
9 A1 684 652 1.59      
10 A1 409 389 2.45      
11 A1 200 191 0.50      
12 A2 877 835 0.00      
13 A2 527 502 0.00      
14 A2 205 195 0.00      
15 B1 920 876 0.32      
16 B1 844 803 4.40      
17 B1 768 731 68.64      
18 B1 562 535 0.16      
19 B1 434 413 3.08      
20 B1 170 162 0.03      
21 B2 3234 3080 1.54      
22 B2 1674 1595 64.79      
23 B2 1534 1461 60.85      
24 B2 1340 1277 1.70      
25 B2 1281 1220 0.45      
26 B2 1213 1156 0.36      
27 B2 1137 1083 19.21      
28 B2 815 776 68.83      
29 B2 439 418 2.59      
30 B2 374 356 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17901.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 17047.3 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 QCISD/6-31G*
ABC
0.09386 0.02852 0.02187

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.079
C2 0.000 1.214 1.391
C3 0.000 -1.214 1.391
C4 0.000 1.198 -0.004
C5 0.000 -1.198 -0.004
C6 0.000 0.000 -0.718
Cl7 0.000 2.705 -0.883
Cl8 0.000 -2.705 -0.883
H9 0.000 0.000 3.168
H10 0.000 2.161 1.925
H11 0.000 -2.161 1.925
H12 0.000 0.000 -1.805

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39611.39612.40312.40312.79774.01204.01201.08842.16692.16693.8841
C21.39612.42891.39482.78642.43382.71924.53172.15241.08713.41783.4185
C31.39612.42892.78641.39482.43384.53172.71922.15243.41781.08713.4185
C42.40311.39482.78642.39561.39471.74534.00103.39032.15603.87352.1628
C52.40312.78641.39482.39561.39474.00101.74533.39033.87352.15602.1628
C62.79772.43382.43381.39471.39472.71042.71043.88613.41433.41431.0864
Cl74.01202.71924.53171.74534.00102.71045.41084.87142.86035.61872.8580
Cl84.01204.53172.71924.00101.74532.71045.41084.87145.61872.86032.8580
H91.08842.15242.15243.39033.39033.88614.87144.87142.49332.49334.9725
H102.16691.08713.41782.15603.87353.41432.86035.61872.49334.32274.3105
H112.16693.41781.08713.87352.15603.41435.61872.86032.49334.32274.3105
H123.88413.41853.41852.16282.16281.08642.85802.85804.97254.31054.3105

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 118.868 C1 C2 H10 121.027
C1 C3 C5 118.868 C1 C3 H11 121.027
C2 C1 C3 120.896 C2 C1 H9 119.552
C2 C4 C6 121.497 C2 C4 Cl7 119.570
C3 C1 H9 119.552 C3 C5 C6 121.497
C3 C5 Cl8 119.570 C4 C2 H10 120.105
C4 C6 C5 118.375 C4 C6 H12 120.813
C5 C3 H11 120.105 C5 C6 H12 120.813
C6 C4 Cl7 118.933 C6 C5 Cl8 118.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability