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: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-1149.823314
Energy at 298.15K-1149.827599
HF Energy-1148.531235
Nuclear repulsion energy453.392412
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 CCD/6-31G(2df,p)
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 3277 3104 1.55      
2 A1 3272 3099 0.63      
3 A1 3244 3072 3.21      
4 A1 1659 1572 20.07      
5 A1 1471 1393 16.49      
6 A1 1177 1115 18.37      
7 A1 1118 1059 9.51      
8 A1 1021 967 4.74      
9 A1 681 645 1.57      
10 A1 410 389 2.25      
11 A1 200 190 0.53      
12 A2 928 879 0.00      
13 A2 553 523 0.00      
14 A2 209 198 0.00      
15 B1 986 934 0.15      
16 B1 908 860 10.70      
17 B1 812 769 39.33      
18 B1 682 646 7.54      
19 B1 447 424 2.57      
20 B1 172 163 0.00      
21 B2 3267 3095 0.05      
22 B2 1661 1573 60.25      
23 B2 1524 1443 62.32      
24 B2 1332 1262 2.27      
25 B2 1278 1210 0.94      
26 B2 1202 1138 0.41      
27 B2 1131 1072 20.53      
28 B2 816 773 67.81      
29 B2 438 414 2.04      
30 B2 374 354 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18124.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17167.2 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 CCD/6-31G(2df,p)
ABC
0.09465 0.02874 0.02205

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.072
C2 0.000 1.210 1.385
C3 0.000 -1.210 1.385
C4 0.000 1.192 -0.004
C5 0.000 -1.192 -0.004
C6 0.000 0.000 -0.719
Cl7 0.000 2.695 -0.879
Cl8 0.000 -2.695 -0.879
H9 0.000 0.000 3.155
H10 0.000 2.154 1.914
H11 0.000 -2.154 1.914
H12 0.000 0.000 -1.799

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39141.39142.39422.39422.79033.99573.99571.08302.15942.15943.8710
C21.39142.42071.38992.77582.42732.70724.51392.14361.08143.40533.4070
C31.39142.42072.77581.38992.42734.51392.70722.14363.40531.08143.4070
C42.39421.38992.77582.38491.38991.73813.98423.37662.14593.85712.1549
C52.39422.77581.38992.38491.38993.98421.73813.37663.85712.14592.1549
C62.79032.42732.42731.38991.38992.69952.69953.87323.40143.40141.0807
Cl73.99572.70724.51391.73813.98422.69955.38944.85062.84475.59522.8477
Cl83.99574.51392.70723.98421.73812.69955.38944.85065.59522.84472.8477
H91.08302.14362.14363.37663.37663.87324.85064.85062.48532.48534.9540
H102.15941.08143.40532.14593.85713.40142.84475.59522.48534.30734.2928
H112.15943.40531.08143.85712.14593.40145.59522.84472.48534.30734.2928
H123.87103.40703.40702.15492.15491.08072.84772.84774.95404.29284.2928

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 118.815 C1 C2 H10 121.172
C1 C3 C5 118.815 C1 C3 H11 121.172
C2 C1 C3 120.892 C2 C1 H9 119.554
C2 C4 C6 121.656 C2 C4 Cl7 119.456
C3 C1 H9 119.554 C3 C5 C6 121.656
C3 C5 Cl8 119.456 C4 C2 H10 120.013
C4 C6 C5 118.165 C4 C6 H12 120.917
C5 C3 H11 120.013 C5 C6 H12 120.917
C6 C4 Cl7 118.888 C6 C5 Cl8 118.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability