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

using model chemistry: CCSD(T)/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(T)/cc-pVTZ
 hartrees
Energy at 0K-1150.075087
Energy at 298.15K 
HF Energy-1148.647956
Nuclear repulsion energy448.448153
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(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.18881 0.02218 0.01985

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.385
C2 0.000 0.000 -1.385
C3 0.000 1.214 0.698
C4 0.000 -1.214 0.698
C5 0.000 -1.214 -0.698
C6 0.000 1.214 -0.698
Cl7 0.000 0.000 3.128
Cl8 0.000 0.000 -3.128
H9 0.000 2.146 1.246
H10 0.000 -2.146 1.246
H11 0.000 -2.146 -1.246
H12 0.000 2.146 -1.246

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76971.39471.39472.41072.41071.74324.51302.15032.15033.39543.3954
C22.76972.41072.41071.39471.39474.51301.74323.39543.39542.15032.1503
C31.39472.41072.42762.80031.39592.71644.01401.08153.40423.88172.1562
C41.39472.41072.42761.39592.80032.71644.01403.40421.08152.15623.8817
C52.41071.39472.80031.39592.42764.01402.71643.88172.15621.08153.4042
C62.41071.39471.39592.80032.42764.01402.71642.15623.88173.40421.0815
Cl71.74324.51302.71642.71644.01404.01406.25622.85402.85404.87254.8725
Cl84.51301.74324.01404.01402.71642.71646.25624.87254.87252.85402.8540
H92.15033.39541.08153.40423.88172.15622.85404.87254.29174.96322.4928
H102.15033.39543.40421.08152.15623.88172.85404.87254.29172.49284.9632
H113.39542.15033.88172.15621.08153.40424.87252.85404.96322.49284.2917
H123.39542.15032.15623.88173.40421.08154.87252.85402.49284.96324.2917

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 119.507 C1 C3 H9 120.018
C1 C4 C5 119.507 C1 C4 H10 120.018
C2 C5 C4 119.507 C2 C5 H11 120.018
C2 C6 C3 119.507 C2 C6 H12 120.018
C3 C1 C4 120.986 C3 C1 Cl7 119.507
C3 C6 H12 120.475 C4 C1 Cl7 119.507
C4 C5 H11 120.475 C5 C2 C6 120.986
C5 C2 Cl8 119.507 C5 C4 H10 120.475
C6 C2 Cl8 119.507 C6 C3 H9 120.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability