return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-1148.904017
Energy at 298.15K-1148.908346
HF Energy-1148.374869
Nuclear repulsion energy445.389261
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 CISD/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 3317 3110 1.74      
2 A1 3310 3104 3.82      
3 A1 3278 3074 4.33      
4 A1 1705 1599 24.27      
5 A1 1518 1423 14.88      
6 A1 1195 1121 9.75      
7 A1 1144 1073 20.19      
8 A1 1059 993 8.58      
9 A1 704 660 2.14      
10 A1 397 373 3.74      
11 A1 194 182 0.94      
12 A2 963 903 0.00      
13 A2 569 534 0.00      
14 A2 213 200 0.00      
15 B1 995 933 0.36      
16 B1 935 877 13.48      
17 B1 833 781 68.48      
18 B1 677 635 13.85      
19 B1 464 435 4.70      
20 B1 174 163 0.00      
21 B2 3302 3096 0.83      
22 B2 1703 1597 72.12      
23 B2 1576 1478 51.76      
24 B2 1397 1310 2.49      
25 B2 1312 1230 0.00      
26 B2 1258 1179 0.04      
27 B2 1163 1091 15.94      
28 B2 797 747 79.40      
29 B2 439 411 5.51      
30 B2 367 345 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 18477.6 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 17328.3 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 CISD/6-31G
ABC
0.09168 0.02747 0.02114

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.100
C2 0.000 1.215 1.406
C3 0.000 -1.215 1.406
C4 0.000 1.194 0.014
C5 0.000 -1.194 0.014
C6 0.000 0.000 -0.704
Cl7 0.000 2.765 -0.902
Cl8 0.000 -2.765 -0.902
H9 0.000 0.000 3.183
H10 0.000 2.158 1.935
H11 0.000 -2.158 1.935
H12 0.000 0.000 -1.784

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39951.39952.40332.40332.80354.08154.08151.08272.16442.16443.8839
C21.39952.43051.39222.78212.43452.78024.60112.15261.08133.41473.4135
C31.39952.43052.78211.39222.43454.60112.78022.15263.41471.08133.4135
C42.40331.39222.78212.38701.39261.81914.06323.38612.14993.86332.1579
C52.40332.78211.39222.38701.39264.06321.81913.38613.86332.14992.1579
C62.80352.43452.43451.39261.39262.77212.77213.88623.40903.40901.0804
Cl74.08152.78024.60111.81914.06322.77215.53004.93282.90185.68232.9021
Cl84.08154.60112.78024.06321.81912.77215.53004.93285.68232.90182.9021
H91.08272.15262.15263.38613.38613.88624.93284.93282.49262.49264.9666
H102.16441.08133.41472.14993.86333.40902.90185.68232.49264.31624.3000
H112.16443.41471.08133.86332.14993.40905.68232.90182.49264.31624.3000
H123.88393.41353.41352.15792.15791.08042.90212.90214.96664.30004.3000

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 118.836 C1 C2 H10 120.953
C1 C3 C5 118.836 C1 C3 H11 120.953
C2 C1 C3 120.537 C2 C1 H9 119.732
C2 C4 C6 121.907 C2 C4 Cl7 119.348
C3 C1 H9 119.732 C3 C5 C6 121.907
C3 C5 Cl8 119.348 C4 C2 H10 120.211
C4 C6 C5 117.977 C4 C6 H12 121.011
C5 C3 H11 120.211 C5 C6 H12 121.011
C6 C4 Cl7 118.745 C6 C5 Cl8 118.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability