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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1150.146965
Energy at 298.15K-1150.139338
HF Energy-1148.498592
Nuclear repulsion energy453.975780
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 CBS-Q
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 3403 3403 0.21      
2 A1 3394 3394 5.27      
3 A1 3363 3363 6.88      
4 A1 1773 1773 26.92      
5 A1 1565 1565 17.87      
6 A1 1236 1236 24.07      
7 A1 1182 1182 14.24      
8 A1 1084 1084 4.44      
9 A1 724 724 2.48      
10 A1 430 430 3.71      
11 A1 211 211 0.59      
12 A2 1018 1018 0.00      
13 A2 595 595 0.00      
14 A2 227 227 0.00      
15 B1 1098 1098 0.36      
16 B1 998 998 14.73      
17 B1 880 880 43.20      
18 B1 748 748 15.81      
19 B1 485 485 3.45      
20 B1 186 186 0.00      
21 B2 3389 3389 2.19      
22 B2 1779 1779 76.56      
23 B2 1629 1629 71.52      
24 B2 1426 1426 2.44      
25 B2 1304 1304 0.01      
26 B2 1212 1212 12.05      
27 B2 1187 1187 15.86      
28 B2 852 852 90.93      
29 B2 464 464 4.25      
30 B2 397 397 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 19118.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19118.4 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 CBS-Q
ABC
0.09364 0.02853 0.02187

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.067
C2 0.000 1.206 1.383
C3 0.000 -1.206 1.383
C4 0.000 1.189 -0.002
C5 0.000 -1.189 -0.002
C6 0.000 0.000 -0.712
Cl7 0.000 2.695 -0.879
Cl8 0.000 -2.695 -0.879
H9 0.000 0.000 3.144
H10 0.000 2.143 1.912
H11 0.000 -2.143 1.912
H12 0.000 0.000 -1.787

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38651.38652.38592.38592.77893.99283.99281.07752.14822.14823.8537
C21.38652.41171.38452.76602.41692.70804.50932.13491.07583.39003.3910
C31.38652.41172.76601.38452.41694.50932.70802.13493.39001.07583.3910
C42.38591.38452.76602.37751.38471.74333.98193.36322.13813.84182.1446
C52.38592.76601.38452.37751.38473.98191.74333.36323.84182.13812.1446
C62.77892.41692.41691.38471.38472.70052.70053.85643.38743.38741.0748
Cl73.99282.70804.50931.74333.98192.70055.39084.84272.84485.58512.8442
Cl83.99284.50932.70803.98191.74332.70055.39084.84275.58512.84482.8442
H91.07752.13492.13493.36323.36323.85644.84274.84272.47192.47194.9311
H102.14821.07583.39002.13813.84183.38742.84485.58512.47194.28524.2743
H112.14823.39001.07583.84182.13813.38745.58512.84482.47194.28524.2743
H123.85373.39103.39102.14462.14461.07482.84422.84424.93114.27434.2743

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 118.865 C1 C2 H10 120.969
C1 C3 C5 118.865 C1 C3 H11 120.969
C2 C1 C3 120.854 C2 C1 H9 119.573
C2 C4 C6 121.564 C2 C4 Cl7 119.498
C3 C1 H9 119.573 C3 C5 C6 121.564
C3 C5 Cl8 119.498 C4 C2 H10 120.166
C4 C6 C5 118.287 C4 C6 H12 120.856
C5 C3 H11 120.166 C5 C6 H12 120.856
C6 C4 Cl7 118.938 C6 C5 Cl8 118.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability