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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-1906.771050
Energy at 298.15K 
HF Energy-1906.047965
Nuclear repulsion energy528.568460
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 MP2/3-21G*
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' 3152 2998 2.91 69.88 0.09 0.17
2 A' 1551 1476 9.55 12.04 0.75 0.86
3 A' 1386 1318 5.61 3.30 0.73 0.84
4 A' 1037 986 10.20 1.84 0.26 0.41
5 A' 817 777 30.64 19.30 0.45 0.62
6 A' 742 706 112.78 0.48 0.00 0.01
7 A' 547 520 20.86 8.30 0.13 0.24
8 A' 381 363 1.67 10.62 0.18 0.30
9 A' 313 298 1.06 4.57 0.75 0.85
10 A' 246 234 0.12 3.38 0.70 0.82
11 A' 157 149 0.79 0.60 0.67 0.81
12 A" 3223 3066 0.74 50.76 0.75 0.86
13 A" 1309 1245 8.77 7.64 0.75 0.86
14 A" 1020 970 44.00 2.18 0.75 0.86
15 A" 710 676 92.71 5.93 0.75 0.86
16 A" 345 328 0.85 2.55 0.75 0.86
17 A" 251 239 1.07 2.39 0.75 0.86
18 A" 113 107 1.52 1.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8648.7 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 8227.5 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 MP2/3-21G*
ABC
0.06103 0.03594 0.03391

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.264 0.291 0.000
C2 -1.275 0.370 0.000
Cl3 -2.046 -1.251 0.000
Cl4 0.863 1.998 0.000
Cl5 0.863 -0.543 1.467
Cl6 0.863 -0.543 -1.467
H7 -1.592 0.902 0.897
H8 -1.592 0.902 -0.897

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.54102.77741.80841.79111.79112.15052.1505
C21.54101.79472.68712.74912.74911.09021.0902
Cl32.77741.79474.36053.33393.33392.37532.3753
Cl41.80842.68714.36052.93422.93422.83502.8350
Cl51.79112.74913.33392.93422.93412.90583.7025
Cl61.79112.74913.33392.93422.93413.70252.9058
H72.15051.09022.37532.83502.90583.70251.7945
H82.15051.09022.37532.83503.70252.90581.7945

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 112.522 C1 C2 H7 108.418
C1 C2 H8 108.418 C2 C1 Cl4 106.420
C2 C1 Cl5 110.964 C2 C1 Cl6 110.964
Cl3 C2 H7 108.364 Cl3 C2 H8 108.364
Cl4 C1 Cl5 109.209 Cl4 C1 Cl6 109.209
Cl5 C1 Cl6 109.985 H7 C2 H8 110.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability