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All results from a given calculation for CH2ClCCl3 (1,1,1,2-tetrachloroethane)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1915.860581
Energy at 298.15K 
HF Energy-1914.827371
Nuclear repulsion energy535.717987
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 MP2/6-31G(2df,p)
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' 3150 2975 4.42 70.62 0.07 0.13
2 A' 1477 1395 6.09 7.57 0.75 0.86
3 A' 1321 1247 8.94 1.64 0.62 0.77
4 A' 1102 1040 11.06 1.47 0.32 0.49
5 A' 859 812 43.11 15.68 0.46 0.63
6 A' 800 755 108.92 1.41 0.05 0.09
7 A' 570 538 15.97 8.65 0.06 0.11
8 A' 393 372 1.59 7.33 0.14 0.25
9 A' 316 298 0.96 2.56 0.75 0.85
10 A' 246 233 0.04 2.04 0.68 0.81
11 A' 156 148 0.53 0.48 0.66 0.80
12 A" 3231 3052 1.01 45.21 0.75 0.86
13 A" 1239 1170 10.79 3.67 0.75 0.86
14 A" 992 937 53.30 0.97 0.75 0.86
15 A" 765 722 76.78 4.38 0.75 0.86
16 A" 341 322 0.79 1.54 0.75 0.86
17 A" 250 236 0.89 1.34 0.75 0.86
18 A" 118 111 1.09 0.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8662.1 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 8181.4 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 MP2/6-31G(2df,p)
ABC
0.06257 0.03692 0.03489

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.267 0.286 0.000
C2 -1.258 0.369 0.000
Cl3 -2.025 -1.223 0.000
Cl4 0.853 1.965 0.000
Cl5 0.853 -0.540 1.447
Cl6 0.853 -0.540 -1.447
H7 -1.572 0.905 0.895
H8 -1.572 0.905 -0.895

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.52752.74411.77891.76581.76582.13692.1369
C21.52751.76672.64742.71622.71621.08921.0892
Cl32.74411.76674.29543.29363.29362.35232.3523
Cl41.77892.64744.29542.89242.89242.79442.7944
Cl51.76582.71623.29362.89242.89342.87693.6678
Cl61.76582.71623.29362.89242.89343.66782.8769
H72.13691.08922.35232.79442.87693.66781.7891
H82.13691.08922.35232.79443.66782.87691.7891

picture of 1,1,1,2-tetrachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 112.617 C1 C2 H7 108.335
C1 C2 H8 108.335 C2 C1 Cl4 106.141
C2 C1 Cl5 110.920 C2 C1 Cl6 110.920
Cl3 C2 H7 108.569 Cl3 C2 H8 108.569
Cl4 C1 Cl5 109.371 Cl4 C1 Cl6 109.371
Cl5 C1 Cl6 110.027 H7 C2 H8 110.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability