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

using model chemistry: MP2=FULL/cc-pVTZ

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 MP2=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-997.957001
Energy at 298.15K-997.961914
HF Energy-997.132220
Nuclear repulsion energy204.294013
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3182 3021 0.60      
2 A 3138 2980 20.48      
3 A 1496 1420 0.35      
4 A 1360 1291 15.86      
5 A 1252 1189 0.91      
6 A 1082 1027 1.44      
7 A 982 933 9.42      
8 A 705 670 14.28      
9 A 269 255 0.78      
10 A 125 119 0.69      
11 B 3195 3033 2.92      
12 B 3132 2974 3.14      
13 B 1493 1418 12.07      
14 B 1336 1269 30.45      
15 B 1187 1127 0.86      
16 B 916 870 16.34      
17 B 729 692 17.50      
18 B 419 398 6.45      

Unscaled Zero Point Vibrational Energy (zpe) 12999.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12341.7 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 MP2=FULL/cc-pVTZ
ABC
0.33419 0.07676 0.06642

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.293 0.691 0.895
C2 -0.293 -0.691 0.895
Cl3 -0.293 1.659 -0.471
Cl4 0.293 -1.659 -0.471
H5 0.000 1.207 1.802
H6 1.373 0.653 0.832
H7 -0.000 -1.207 1.802
H8 -1.373 -0.653 0.832

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.50161.77432.71851.08351.08182.12382.1417
C21.50162.71851.77432.12382.14171.08351.0818
Cl31.77432.71853.36942.33632.34153.66962.8650
Cl42.71851.77433.36943.66962.86502.33632.3415
H51.08352.12382.33633.66961.76982.41352.5073
H61.08182.14172.34152.86501.76982.50733.0403
H72.12381.08353.66962.33632.41352.50731.7698
H82.14171.08182.86502.34152.50733.04031.7698

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 111.903 C1 C2 H7 109.411
C1 C2 H8 110.949 C2 C1 Cl3 111.903
C2 C1 H5 109.411 C2 C1 H6 110.949
Cl3 C1 H5 107.189 Cl3 C1 H6 107.656
Cl4 C2 H7 107.189 Cl4 C2 H8 107.656
H5 C1 H6 109.637 H7 C2 H8 109.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability