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All results from a given calculation for C6H4Cl2 (1,2-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-1149.819997
Energy at 298.15K-1149.824298
HF Energy-1148.526541
Nuclear repulsion energy470.085875
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 3269 3096 3.03      
2 A1 3253 3081 3.45      
3 A1 1653 1566 3.54      
4 A1 1525 1444 59.21      
5 A1 1285 1217 0.89      
6 A1 1198 1135 12.25      
7 A1 1187 1124 21.38      
8 A1 1076 1019 4.73      
9 A1 679 643 13.55      
10 A1 492 466 4.54      
11 A1 205 194 0.00      
12 A2 990 938 0.00      
13 A2 895 848 0.00      
14 A2 701 664 0.00      
15 A2 525 497 0.00      
16 A2 141 133 0.00      
17 B1 967 916 1.49      
18 B1 788 746 52.18      
19 B1 453 429 3.14      
20 B1 240 228 0.49      
21 B2 3264 3091 0.97      
22 B2 3240 3069 0.85      
23 B2 1663 1575 5.21      
24 B2 1487 1408 18.55      
25 B2 1298 1229 3.00      
26 B2 1173 1111 2.52      
27 B2 1060 1004 32.22      
28 B2 766 725 13.44      
29 B2 438 415 0.43      
30 B2 343 325 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18126.0 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17168.9 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
0.06390 0.04785 0.02736

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 0.697 -0.031
C2 0.000 -0.697 -0.031
C3 0.000 1.390 1.178
C4 0.000 -1.390 1.178
C5 0.000 0.696 2.381
C6 0.000 -0.696 2.381
Cl7 0.000 1.598 -1.508
Cl8 0.000 -1.598 -1.508
H9 0.000 2.472 1.159
H10 0.000 -2.472 1.159
H11 0.000 1.244 3.314
H12 0.000 -1.244 3.314

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39471.39312.41232.41132.78501.73072.73022.13673.38553.38943.8676
C21.39472.41231.39312.78502.41132.73021.73073.38552.13673.86763.3894
C31.39312.41232.78091.38892.40842.69414.01851.08193.86272.14153.3920
C42.41231.39312.78092.40841.38894.01852.69413.86271.08193.39202.1415
C52.41132.78501.38892.40841.39223.99224.51542.15563.39571.08262.1532
C62.78502.41132.40841.38891.39224.51543.99223.39572.15562.15321.0826
Cl71.73072.73022.69414.01853.99224.51543.19682.80684.86674.83565.5980
Cl82.73021.73074.01852.69414.51543.99223.19684.86672.80685.59804.8356
H92.13673.38551.08193.86272.15563.39572.80684.86674.94442.48064.2961
H103.38552.13673.86271.08193.39572.15564.86672.80684.94444.29612.4806
H113.38943.86762.14153.39201.08262.15324.83565.59802.48064.29612.4883
H123.86763.38943.39202.14152.15321.08265.59804.83564.29612.48062.4883

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.836 C1 C2 Cl8 121.376
C1 C3 C5 120.170 C1 C3 H9 118.844
C2 C1 C3 119.836 C2 C1 Cl7 121.376
C2 C4 C6 120.170 C2 C4 H10 118.844
C3 C1 Cl7 118.789 C3 C5 C6 119.994
C3 C5 H11 119.593 C4 C2 Cl8 118.789
C4 C6 C5 119.994 C4 C6 H12 119.593
C5 C3 H9 120.986 C5 C6 H12 120.413
C6 C4 H10 120.986 C6 C5 H11 120.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability