return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CCl(CH3)CH3 (Propane, 2-chloro-2-methyl-)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-616.948152
Energy at 298.15K 
HF Energy-616.221338
Nuclear repulsion energy241.833015
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.15240 0.10106 0.10106

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.346
Cl2 0.000 0.000 1.470
C3 0.000 1.450 -0.807
C4 1.256 -0.725 -0.807
C5 -1.256 -0.725 -0.807
H6 0.000 1.479 -1.899
H7 1.281 -0.740 -1.899
H8 -1.281 -0.740 -1.899
H9 0.885 1.973 -0.446
H10 -0.885 1.973 -0.446
H11 1.266 -1.753 -0.446
H12 2.151 -0.220 -0.446
H13 -2.151 -0.220 -0.446
H14 -1.266 -1.753 -0.446

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.81581.52201.52201.52202.14482.14482.14482.16442.16442.16442.16442.16442.1644
Cl21.81582.69972.69972.69973.67923.67923.67922.88842.88842.88842.88842.88842.8884
C31.52202.69972.51212.51211.09202.76222.76221.08941.08943.46312.74722.74723.4631
C41.52202.69972.51212.51212.76221.09202.76222.74723.46311.08941.08943.46312.7472
C51.52202.69972.51212.51212.76222.76221.09203.46312.74722.74723.46311.08941.0894
H62.14483.67921.09202.76222.76222.56242.56241.77171.77173.76323.10273.10273.7632
H72.14483.67922.76221.09202.76222.56242.56243.10273.76321.77171.77173.76323.1027
H82.14483.67922.76222.76221.09202.56242.56243.76323.10273.10273.76321.77171.7717
H92.16442.88841.08942.74723.46311.77173.10273.76321.76983.74492.53193.74494.3017
H102.16442.88841.08943.46312.74721.77173.76323.10271.76984.30173.74492.53193.7449
H112.16442.88843.46311.08942.74723.76321.77173.10273.74494.30171.76983.74492.5319
H122.16442.88842.74721.08943.46313.10271.77173.76322.53193.74491.76984.30173.7449
H132.16442.88842.74723.46311.08943.10273.76321.77173.74492.53193.74494.30171.7698
H142.16442.88843.46312.74721.08943.76323.10271.77174.30173.74492.53193.74491.7698

picture of Propane, 2-chloro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H6 109.163 C1 C3 H9 110.870
C1 C3 H10 110.870 C1 C4 H7 109.163
C1 C4 H11 110.870 C1 C4 H12 110.870
C1 C5 H8 109.163 C1 C5 H13 110.870
C1 C5 H14 110.870 Cl2 C1 C3 107.640
Cl2 C1 C4 107.640 Cl2 C1 C5 107.640
C3 C1 C4 111.238 C3 C1 C5 111.238
C4 C1 C5 111.238 H6 C3 H9 108.620
H6 C3 H10 108.620 H7 C4 H11 108.620
H7 C4 H12 108.620 H8 C5 H13 108.620
H8 C5 H14 108.620 H9 C3 H10 108.639
H11 C4 H12 108.639 H13 C5 H14 108.639
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability