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

using model chemistry: CCD/3-21G

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/3-21G
 hartrees
Energy at 0K-1143.500477
Energy at 298.15K-1143.504628
HF Energy-1142.841842
Nuclear repulsion energy442.657186
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/3-21G
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 3219 3130 1.93      
2 A1 3208 3119 1.90      
3 A1 3177 3089 2.88      
4 A1 1608 1564 26.46      
5 A1 1461 1420 9.03      
6 A1 1155 1123 11.68      
7 A1 1102 1071 16.28      
8 A1 1036 1007 2.65      
9 A1 689 670 1.23      
10 A1 379 369 3.10      
11 A1 180 175 0.93      
12 A2 926 901 0.00      
13 A2 549 534 0.00      
14 A2 209 203 0.00      
15 B1 962 935 0.00      
16 B1 915 890 18.47      
17 B1 805 782 49.51      
18 B1 689 670 25.60      
19 B1 452 439 5.42      
20 B1 168 164 0.02      
21 B2 3202 3113 0.08      
22 B2 1605 1560 70.43      
23 B2 1522 1479 31.36      
24 B2 1366 1328 1.45      
25 B2 1256 1221 0.40      
26 B2 1190 1157 0.27      
27 B2 1119 1088 13.71      
28 B2 771 750 56.85      
29 B2 423 411 5.00      
30 B2 342 333 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 17841.7 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 17347.5 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/3-21G
ABC
0.09059 0.02710 0.02086

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.112
C2 0.000 1.220 1.414
C3 0.000 -1.220 1.414
C4 0.000 1.195 0.018
C5 0.000 -1.195 0.018
C6 0.000 0.000 -0.703
Cl7 0.000 2.786 -0.910
Cl8 0.000 -2.786 -0.910
H9 0.000 0.000 3.200
H10 0.000 2.170 1.942
H11 0.000 -2.170 1.942
H12 0.000 0.000 -1.788

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40601.40602.41032.41032.81434.10954.10951.08842.17692.17693.9000
C21.40602.44091.39532.78942.44292.80134.63102.16361.08683.43163.4267
C31.40602.44092.78941.39532.44294.63102.80132.16363.43161.08683.4267
C42.41031.39532.78942.39001.39571.84164.08733.39862.15663.87612.1663
C52.41032.78941.39532.39001.39574.08731.84163.39863.87612.15662.1663
C62.81432.44292.44291.39571.39572.79322.79323.90273.42103.42101.0858
Cl74.10952.80134.63101.84164.08732.79325.57104.96482.91735.71772.9208
Cl84.10954.63102.80134.08731.84162.79325.57104.96485.71772.91732.9208
H91.08842.16362.16363.39863.39863.90274.96484.96482.50852.50854.9884
H102.17691.08683.43162.15663.87613.42102.91735.71772.50854.34054.3157
H112.17693.43161.08683.87612.15663.42105.71772.91732.50854.34054.3157
H123.90003.42673.42672.16632.16631.08582.92082.92084.98844.31574.3157

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 118.722 C1 C2 H10 121.144
C1 C3 C5 118.722 C1 C3 H11 121.144
C2 C1 C3 120.462 C2 C1 H9 119.769
C2 C4 C6 122.155 C2 C4 Cl7 119.222
C3 C1 H9 119.769 C3 C5 C6 122.155
C3 C5 Cl8 119.222 C4 C2 H10 120.133
C4 C6 C5 117.783 C4 C6 H12 121.108
C5 C3 H11 120.133 C5 C6 H12 121.108
C6 C4 Cl7 118.624 C6 C5 Cl8 118.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability