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

using model chemistry: MP2/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-57.421543
Energy at 298.15K-57.425356
HF Energy-56.767787
Nuclear repulsion energy93.268642
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/CEP-31G*
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 3108 2950 7.07      
2 A1 1442 1369 6.11      
3 A1 1122 1065 17.77      
4 A1 537 510 10.57      
5 A1 354 336 1.58      
6 A2 323 307 0.00      
7 E 3225 3062 7.14      
7 E 3225 3062 7.14      
8 E 1503 1427 3.01      
8 E 1503 1427 3.01      
9 E 1132 1075 70.86      
9 E 1132 1075 70.86      
10 E 768 729 116.72      
10 E 768 729 116.72      
11 E 351 334 0.79      
11 E 351 334 0.79      
12 E 247 234 0.26      
12 E 247 234 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 10669.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10129.5 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/CEP-31G*
ABC
0.07737 0.07737 0.05562

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.784
C2 0.000 0.000 0.245
H3 0.000 -1.042 2.143
H4 0.902 0.521 2.143
H5 -0.902 0.521 2.143
Cl6 0.000 1.691 -0.365
Cl7 -1.464 -0.845 -0.365
Cl8 1.464 -0.845 -0.365

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 Cl7 Cl8
C11.53871.10191.10191.10192.73402.73402.7340
C21.53872.16512.16512.16511.79721.79721.7972
H31.10192.16511.80421.80423.70882.91082.9108
H41.10192.16511.80421.80422.91083.70882.9108
H51.10192.16511.80421.80422.91082.91083.7088
Cl62.73401.79723.70882.91082.91082.92812.9281
Cl72.73401.79722.91083.70882.91082.92812.9281
Cl82.73401.79722.91082.91083.70882.92812.9281

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 109.842 C1 C2 Cl7 109.842
C1 C2 Cl8 109.842 C2 C1 H3 109.034
C2 C1 H4 109.034 C2 C1 H5 109.034
H3 C1 H4 109.905 H3 C1 H5 109.905
H4 C1 H5 109.905 Cl6 C2 Cl7 109.098
Cl6 C2 Cl8 109.098 Cl7 C2 Cl8 109.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability