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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-115.824847
Energy at 298.15K 
HF Energy-115.663243
Nuclear repulsion energy74.666591
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/STO-3G
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' 3472 3027 0.00 79.55 0.06 0.12
2 A1' 1695 1478 0.00 15.35 0.74 0.85
3 A1' 1335 1164 0.00 17.70 0.19 0.32
4 A1" 1302 1135 0.00 0.00 0.00 0.00
5 A2' 1244 1085 0.00 0.00 0.00 0.00
6 A2" 3619 3155 0.27 0.00 0.00 0.00
7 A2" 902 787 0.00 0.00 0.00 0.00
8 E' 3456 3014 1.18 7.52 0.75 0.86
8 E' 3456 3014 1.18 7.52 0.75 0.86
9 E' 1644 1434 0.22 8.24 0.75 0.86
9 E' 1644 1434 0.22 8.24 0.75 0.86
10 E' 1268 1106 0.07 0.01 0.75 0.86
10 E' 1268 1106 0.07 0.01 0.75 0.86
11 E' 1030 898 4.33 10.42 0.75 0.86
11 E' 1030 898 4.33 10.42 0.75 0.86
12 E" 3612 3150 0.00 38.07 0.75 0.86
12 E" 3612 3150 0.00 38.07 0.75 0.86
13 E" 1340 1168 0.00 12.50 0.75 0.86
13 E" 1340 1168 0.00 12.50 0.75 0.86
14 E" 826 720 0.00 2.01 0.75 0.86
14 E" 826 720 0.00 2.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19960.9 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 17403.9 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/STO-3G
ABC
0.65377 0.65377 0.40834

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.883 0.000
C2 0.765 -0.441 0.000
C3 -0.765 -0.441 0.000
H4 0.000 1.478 0.922
H5 1.280 -0.739 0.922
H6 -1.280 -0.739 0.922
H7 0.000 1.478 -0.922
H8 1.280 -0.739 -0.922
H9 -1.280 -0.739 -0.922

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52941.52941.09772.26302.26301.09772.26302.2630
C21.52941.52942.26301.09772.26302.26301.09772.2630
C31.52941.52942.26302.26301.09772.26302.26301.0977
H41.09772.26302.26302.56052.56051.84453.15573.1557
H52.26301.09772.26302.56052.56053.15571.84453.1557
H62.26302.26301.09772.56052.56053.15573.15571.8445
H71.09772.26302.26301.84453.15573.15572.56052.5605
H82.26301.09772.26303.15571.84453.15572.56052.5605
H92.26302.26301.09773.15573.15571.84452.56052.5605

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 118.014
C1 C2 H8 118.014 C1 C3 C2 60.000
C1 C3 H6 118.014 C1 C3 H9 118.014
C2 C1 C3 60.000 C2 C1 H4 118.014
C2 C1 H7 118.014 C2 C3 H6 118.014
C2 C3 H9 118.014 C3 C1 H4 118.014
C3 C1 H7 118.014 C3 C2 H5 118.014
C3 C2 H8 118.014 H4 C1 H7 114.314
H5 C2 H8 114.314 H6 C3 H9 114.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability