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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-1150.027991
Energy at 298.15K 
HF Energy-1148.651035
Nuclear repulsion energy449.755110
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 QCISD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.19004 0.02231 0.01997

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.379
C2 0.000 0.000 -1.379
C3 0.000 1.210 0.696
C4 0.000 -1.210 0.696
C5 0.000 -1.210 -0.696
C6 0.000 1.210 -0.696
Cl7 0.000 0.000 3.119
Cl8 0.000 0.000 -3.119
H9 0.000 2.140 1.244
H10 0.000 -2.140 1.244
H11 0.000 -2.140 -1.244
H12 0.000 2.140 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75811.38931.38932.40162.40161.74034.49842.14462.14463.38553.3855
C22.75812.40162.40161.38931.38934.49841.74033.38553.38552.14462.1446
C31.38932.40162.41932.79091.39132.70884.00221.08023.39463.87102.1515
C41.38932.40162.41931.39132.79092.70884.00223.39461.08022.15153.8710
C52.40161.38932.79091.39132.41934.00222.70883.87102.15151.08023.3946
C62.40161.38931.39132.79092.41934.00222.70882.15153.87103.39461.0802
Cl71.74034.49842.70882.70884.00224.00226.23872.84562.84564.86014.8601
Cl84.49841.74034.00224.00222.70882.70886.23874.86014.86012.84562.8456
H92.14463.38551.08023.39463.87102.15152.84564.86014.28064.95122.4882
H102.14463.38553.39461.08022.15153.87102.84564.86014.28062.48824.9512
H113.38552.14463.87102.15151.08023.39464.86012.84564.95122.48824.2806
H123.38552.14462.15153.87103.39461.08024.86012.84562.48824.95124.2806

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.463 C1 C3 H9 120.027
C1 C4 C5 119.463 C1 C4 H10 120.027
C2 C5 C4 119.463 C2 C5 H11 120.027
C2 C6 C3 119.463 C2 C6 H12 120.027
C3 C1 C4 121.074 C3 C1 Cl7 119.463
C3 C6 H12 120.510 C4 C1 Cl7 119.463
C4 C5 H11 120.510 C5 C2 C6 121.074
C5 C2 Cl8 119.463 C5 C4 H10 120.510
C6 C2 Cl8 119.463 C6 C3 H9 120.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability