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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-1150.002380
Energy at 298.15K 
HF Energy-1148.648943
Nuclear repulsion energy449.823990
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 CCSD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVTZ
ABC
0.19033 0.02230 0.01996

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.380
C2 0.000 0.000 -1.380
C3 0.000 1.209 0.695
C4 0.000 -1.209 0.695
C5 0.000 -1.209 -0.695
C6 0.000 1.209 -0.695
Cl7 0.000 0.000 3.120
Cl8 0.000 0.000 -3.120
H9 0.000 2.139 1.242
H10 0.000 -2.139 1.242
H11 0.000 -2.139 -1.242
H12 0.000 2.139 -1.242

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76071.38931.38932.40192.40191.73944.50012.14382.14383.38423.3842
C22.76072.40192.40191.38931.38934.50011.73943.38423.38422.14382.1438
C31.38932.40192.41732.78881.39072.70904.00201.07933.39233.86802.1492
C41.38932.40192.41731.39072.78882.70904.00203.39231.07932.14923.8680
C52.40191.38932.78881.39072.41734.00202.70903.86802.14921.07933.3923
C62.40191.38931.39072.78882.41734.00202.70902.14923.86803.39231.0793
Cl71.73944.50012.70902.70904.00204.00206.23952.84662.84664.85804.8580
Cl84.50011.73944.00204.00202.70902.70906.23954.85804.85802.84662.8466
H92.14383.38421.07933.39233.86802.14922.84664.85804.27864.94732.4837
H102.14383.38423.39231.07932.14923.86802.84664.85804.27862.48374.9473
H113.38422.14383.86802.14921.07933.39234.85802.84664.94732.48374.2786
H123.38422.14382.14923.86803.39231.07934.85802.84662.48374.94734.2786

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 119.543 C1 C3 H9 120.033
C1 C4 C5 119.543 C1 C4 H10 120.033
C2 C5 C4 119.543 C2 C5 H11 120.033
C2 C6 C3 119.543 C2 C6 H12 120.033
C3 C1 C4 120.914 C3 C1 Cl7 119.543
C3 C6 H12 120.424 C4 C1 Cl7 119.543
C4 C5 H11 120.424 C5 C2 C6 120.914
C5 C2 Cl8 119.543 C5 C4 H10 120.424
C6 C2 Cl8 119.543 C6 C3 H9 120.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability