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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: MP2/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/6-311+G(3df,2pd)
 hartrees
Energy at 0K-117.618344
Energy at 298.15K-117.624717
HF Energy-117.099619
Nuclear repulsion energy75.997516
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 MP2/6-311+G(3df,2pd)
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' 3188 3029 0.00      
2 A1' 1535 1458 0.00      
3 A1' 1233 1172 0.00      
4 A1" 1169 1111 0.00      
5 A2' 1088 1034 0.00      
6 A2" 3292 3127 15.25      
7 A2" 869 826 0.36      
8 E' 3179 3020 13.14      
8 E' 3179 3020 13.14      
9 E' 1486 1412 0.83      
9 E' 1486 1412 0.83      
10 E' 1052 1000 10.44      
10 E' 1052 1000 10.44      
11 E' 908 863 19.35      
11 E' 908 863 19.35      
12 E" 3273 3110 0.00      
12 E" 3273 3110 0.00      
13 E" 1220 1159 0.00      
13 E" 1220 1159 0.00      
14 E" 747 710 0.00      
14 E" 747 710 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18052.6 cm-1
Scaled (by 0.95) Zero Point Vibrational Energy (zpe) 17150.0 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 MP2/6-311+G(3df,2pd)
ABC
0.67706 0.67706 0.42373

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2pd)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.448 0.910
H5 1.254 -0.724 0.910
H6 -1.254 -0.724 0.910
H7 0.000 1.448 -0.910
H8 1.254 -0.724 -0.910
H9 -1.254 -0.724 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50321.50321.07892.22102.22101.07892.22102.2210
C21.50321.50322.22091.07892.22092.22091.07892.2209
C31.50321.50322.22092.22091.07892.22092.22091.0789
H41.07892.22092.22092.50722.50721.81983.09803.0980
H52.22101.07892.22092.50722.50723.09801.81983.0980
H62.22102.22091.07892.50722.50723.09803.09801.8198
H71.07892.22092.22091.81983.09803.09802.50722.5072
H82.22101.07892.22093.09801.81983.09802.50722.5072
H92.22102.22091.07893.09803.09801.81982.50722.5072

picture of Cyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 H5 117.731
C1 C2 H8 117.731 C1 C3 C2 60.000
C1 C3 H6 117.731 C1 C3 H9 117.731
C2 C1 C3 60.000 C2 C1 H4 117.731
C2 C1 H7 117.731 C2 C3 H6 117.731
C2 C3 H9 117.731 C3 C1 H4 117.731
C3 C1 H7 117.731 C3 C2 H5 117.731
C3 C2 H8 117.731 H4 C1 H7 114.999
H5 C2 H8 114.999 H6 C3 H9 114.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability