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

using model chemistry: CCD/6-31+G**

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 CCD/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-997.631032
Energy at 298.15K-997.635947
HF Energy-997.035530
Nuclear repulsion energy202.322442
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 CCD/6-31+G**
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 3224 3038 1.60      
2 A 3164 2981 25.63      
3 A 1524 1436 0.01      
4 A 1412 1330 24.02      
5 A 1277 1203 0.98      
6 A 1096 1032 0.45      
7 A 1005 947 8.45      
8 A 705 664 16.26      
9 A 267 252 0.56      
10 A 120 113 0.89      
11 B 3235 3048 6.08      
12 B 3156 2974 4.60      
13 B 1518 1431 10.99      
14 B 1393 1313 43.13      
15 B 1208 1138 1.42      
16 B 938 884 15.08      
17 B 735 692 19.35      
18 B 423 398 6.65      

Unscaled Zero Point Vibrational Energy (zpe) 13199.4 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 12437.8 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 CCD/6-31+G**
ABC
0.33438 0.07431 0.06458

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.292 0.699 0.893
C2 -0.292 -0.699 0.893
Cl3 -0.292 1.689 -0.471
Cl4 0.292 -1.689 -0.471
H5 -0.006 1.203 1.811
H6 1.378 0.666 0.840
H7 0.006 -1.203 1.811
H8 -1.378 -0.666 0.840

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.51541.78382.74991.08871.08702.13112.1578
C21.51542.74991.78382.13112.15781.08871.0870
Cl31.78382.74993.42782.35032.35653.69552.9057
Cl42.74991.78383.42783.69552.90572.35032.3565
H51.08872.13112.35033.69551.77332.40602.5135
H61.08702.15782.35652.90571.77332.51353.0606
H72.13111.08873.69552.35032.40602.51351.7733
H82.15781.08702.90572.35652.51353.06061.7733

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 112.665 C1 C2 H7 108.740
C1 C2 H8 110.950 C2 C1 Cl3 112.665
C2 C1 H5 108.740 C2 C1 H6 110.950
Cl3 C1 H5 107.327 Cl3 C1 H6 107.866
Cl4 C2 H7 107.327 Cl4 C2 H8 107.866
H5 C1 H6 109.184 H7 C2 H8 109.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability