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All results from a given calculation for CH3CCl3 (Ethane, 1,1,1-trichloro-)

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 C3V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-1449.827357
Energy at 298.15K-1449.831129
HF Energy-1449.237479
Nuclear repulsion energy357.618328
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 A1 3109 2958 0.56      
2 A1 1507 1434 13.62      
3 A1 1056 1005 13.48      
4 A1 516 491 10.96      
5 A1 350 332 1.48      
6 A2 321 305 0.00      
7 E 3200 3044 1.09      
7 E 3200 3044 1.09      
8 E 1577 1500 5.60      
8 E 1577 1500 5.60      
9 E 1182 1124 49.52      
9 E 1182 1124 49.52      
10 E 703 669 109.46      
10 E 703 669 109.46      
11 E 353 336 0.89      
11 E 353 336 0.89      
12 E 248 236 0.32      
12 E 248 236 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 10692.2 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 10171.5 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
0.07714 0.07714 0.05536

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.782
C2 0.000 0.000 0.251
H3 0.000 -1.033 2.140
H4 0.894 0.516 2.140
H5 -0.894 0.516 2.140
Cl6 0.000 1.695 -0.365
Cl7 -1.468 -0.847 -0.365
Cl8 1.468 -0.847 -0.365

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 Cl7 Cl8
C11.53131.09271.09271.09272.73552.73552.7355
C21.53132.15252.15252.15251.80321.80321.8032
H31.09272.15251.78851.78853.70292.90902.9090
H41.09272.15251.78851.78852.90903.70292.9090
H51.09272.15251.78851.78852.90902.90903.7029
Cl62.73551.80323.70292.90902.90902.93522.9352
Cl72.73551.80322.90903.70292.90902.93522.9352
Cl82.73551.80322.90902.90903.70292.93522.9352

picture of Ethane, 1,1,1-trichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.979 C1 C2 Cl7 109.979
C1 C2 Cl8 109.979 C2 C1 H3 109.092
C2 C1 H4 109.092 C2 C1 H5 109.092
H3 C1 H4 109.848 H3 C1 H5 109.848
H4 C1 H5 109.848 Cl6 C2 Cl7 108.959
Cl6 C2 Cl8 108.959 Cl7 C2 Cl8 108.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability