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

using model chemistry: MP3/TZVP

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 MP3/TZVP
Rotational Constants (cm-1) from geometry optimized at MP3/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-997.724995
Energy at 298.15K-997.729915
HF Energy-997.103683
Nuclear repulsion energy201.811747
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 MP3/TZVP
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 3218 3009 1.76      
2 A 3159 2955 23.97      
3 A 1505 1407 0.24      
4 A 1407 1316 23.02      
5 A 1267 1185 1.08      
6 A 1091 1020 0.65      
7 A 992 928 7.93      
8 A 695 650 17.89      
9 A 273 255 0.61      
10 A 123 115 0.95      
11 B 3230 3020 6.77      
12 B 3151 2947 3.95      
13 B 1498 1401 9.04      
14 B 1383 1294 46.45      
15 B 1200 1123 1.27      
16 B 930 869 13.78      
17 B 723 676 20.32      
18 B 422 395 7.38      

Unscaled Zero Point Vibrational Energy (zpe) 13132.7 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 12281.7 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 MP3/TZVP
ABC
0.33421 0.07369 0.06417

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.694 0.893
C2 -0.298 -0.694 0.893
Cl3 -0.298 1.697 -0.470
Cl4 0.298 -1.697 -0.470
H5 0.010 1.201 1.810
H6 1.379 0.653 0.821
H7 -0.010 -1.201 1.810
H8 -1.379 -0.653 0.821

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.50981.79412.75171.08671.08472.12702.1522
C21.50982.75171.79412.12702.15221.08671.0847
Cl31.79412.75173.44492.35412.35973.69822.8911
Cl42.75171.79413.44493.69822.89112.35412.3597
H51.08672.12702.35413.69821.77572.40122.5191
H61.08472.15222.35972.89111.77572.51913.0524
H72.12701.08673.69822.35412.40122.51911.7757
H82.15221.08472.89112.35972.51913.05241.7757

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 112.504 C1 C2 H7 108.914
C1 C2 H8 111.037 C2 C1 Cl3 112.504
C2 C1 H5 108.914 C2 C1 H6 111.037
Cl3 C1 H5 107.028 Cl3 C1 H6 107.534
Cl4 C2 H7 107.028 Cl4 C2 H8 107.534
H5 C1 H6 109.722 H7 C2 H8 109.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability