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All results from a given calculation for CH2ClCH2Cl (Ethane, 1,2-dichloro-)

using model chemistry: CCSD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at CCSD(T)=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-997.712759
Energy at 298.15K-997.717604
HF Energy-997.075962
Nuclear repulsion energy201.030763
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)=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3161 3045        
2 A 3100 2986        
3 A 1468 1414        
4 A 1343 1294        
5 A 1229 1183        
6 A 1065 1026        
7 A 965 929        
8 A 678 653        
9 A 265 255        
10 A 119 115        
11 B 3172 3055        
12 B 3090 2976        
13 B 1463 1409        
14 B 1315 1267        
15 B 1158 1115        
16 B 900 867        
17 B 703 677        
18 B 412 397        

Unscaled Zero Point Vibrational Energy (zpe) 12803.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 12332.1 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 CCSD(T)=FULL/cc-pVDZ
ABC
0.32826 0.07371 0.06403

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.701 0.900
C2 -0.298 -0.701 0.900
Cl3 -0.298 1.694 -0.475
Cl4 0.298 -1.694 -0.475
H5 0.003 1.219 1.829
H6 1.397 0.663 0.836
H7 -0.003 -1.219 1.829
H8 -1.397 -0.663 0.836

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.52271.79792.76171.10371.10182.15412.1762
C21.52272.76171.79792.15412.17621.10371.1018
Cl31.79792.76173.44052.37142.37733.72602.9123
Cl42.76171.79793.44053.72602.91232.37142.3773
H51.10372.15412.37143.72601.79962.43882.5479
H61.10182.17622.37732.91231.79962.54793.0925
H72.15411.10373.72602.37142.43882.54791.7996
H82.17621.10182.91232.37732.54793.09251.7996

picture of Ethane, 1,2-dichloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 112.279 C1 C2 H7 109.164
C1 C2 H8 111.015 C2 C1 Cl3 112.279
C2 C1 H5 109.164 C2 C1 H6 111.015
Cl3 C1 H5 107.191 Cl3 C1 H6 107.713
Cl4 C2 H7 107.191 Cl4 C2 H8 107.713
H5 C1 H6 109.372 H7 C2 H8 109.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability