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All results from a given calculation for C3H6 (Cyclopropane)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-117.497142
Energy at 298.15K 
HF Energy-117.068942
Nuclear repulsion energy75.980144
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 MP2/6-31G**
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' 3245 3039 0.00 215.70 0.05 0.09
2 A1' 1588 1487 0.00 5.21 0.75 0.86
3 A1' 1265 1185 0.00 26.69 0.09 0.16
4 A1" 1205 1129 0.00 0.00 0.75 0.86
5 A2' 1121 1050 0.00 0.00 0.00 0.00
6 A2" 3346 3134 26.06 0.00 0.00 0.00
7 A2" 886 830 0.16 0.00 0.75 0.86
8 E' 3236 3031 17.81 16.52 0.75 0.86
8 E' 3236 3031 17.81 16.52 0.75 0.86
9 E' 1532 1435 0.22 8.23 0.75 0.86
9 E' 1532 1435 0.22 8.23 0.75 0.86
10 E' 1115 1044 8.60 0.00 0.75 0.86
10 E' 1115 1044 8.60 0.00 0.75 0.86
11 E' 934 875 17.03 13.78 0.75 0.86
11 E' 934 875 17.03 13.78 0.75 0.86
12 E" 3329 3118 0.00 80.87 0.75 0.86
12 E" 3329 3118 0.00 80.87 0.75 0.86
13 E" 1255 1176 0.00 10.67 0.75 0.86
13 E" 1255 1176 0.00 10.67 0.75 0.86
14 E" 767 718 0.00 2.40 0.75 0.86
14 E" 767 718 0.00 2.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18497.0 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 17322.4 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 MP2/6-31G**
ABC
0.67705 0.67705 0.42327

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.867 0.000
C2 0.751 -0.434 0.000
C3 -0.751 -0.434 0.000
H4 0.000 1.452 0.908
H5 1.258 -0.726 0.908
H6 -1.258 -0.726 0.908
H7 0.000 1.452 -0.908
H8 1.258 -0.726 -0.908
H9 -1.258 -0.726 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50211.50211.08012.22362.22361.08012.22362.2236
C21.50211.50212.22361.08012.22362.22361.08012.2236
C31.50211.50212.22362.22361.08012.22362.22361.0801
H41.08012.22362.22362.51522.51521.81603.10223.1022
H52.22361.08012.22362.51522.51523.10221.81603.1022
H62.22362.22361.08012.51522.51523.10223.10221.8160
H71.08012.22362.22361.81603.10223.10222.51522.5152
H82.22361.08012.22363.10221.81603.10222.51522.5152
H92.22362.22361.08013.10223.10221.81602.51522.5152

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 117.969
C1 C2 H8 117.969 C1 C3 C2 60.000
C1 C3 H6 117.969 C1 C3 H9 117.969
C2 C1 C3 60.000 C2 C1 H4 117.969
C2 C1 H7 117.969 C2 C3 H6 117.969
C2 C3 H9 117.969 C3 C1 H4 117.969
C3 C1 H7 117.969 C3 C2 H5 117.969
C3 C2 H8 117.969 H4 C1 H7 114.423
H5 C2 H8 114.423 H6 C3 H9 114.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability