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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-117.448575
Energy at 298.15K 
HF Energy-117.058470
Nuclear repulsion energy75.816268
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' 3219 3035 0.00 214.45 0.05 0.09
2 A1' 1587 1496 0.00 5.32 0.75 0.85
3 A1' 1267 1195 0.00 26.01 0.09 0.16
4 A1" 1200 1132 0.00 0.00 0.75 0.86
5 A2' 1118 1054 0.00 0.00 0.00 0.00
6 A2" 3314 3125 24.47 0.00 0.00 0.00
7 A2" 889 838 0.47 0.00 0.75 0.86
8 E' 3211 3028 16.84 16.99 0.75 0.86
8 E' 3211 3028 16.84 16.99 0.75 0.86
9 E' 1532 1445 0.79 8.30 0.75 0.86
9 E' 1532 1445 0.79 8.30 0.75 0.86
10 E' 1111 1048 11.15 0.00 0.75 0.86
10 E' 1111 1048 11.15 0.00 0.75 0.86
11 E' 934 881 18.07 13.96 0.75 0.86
11 E' 934 881 18.07 13.96 0.75 0.86
12 E" 3297 3109 0.00 82.57 0.75 0.86
12 E" 3297 3109 0.00 82.57 0.75 0.86
13 E" 1254 1183 0.00 11.23 0.75 0.86
13 E" 1254 1183 0.00 11.23 0.75 0.86
14 E" 770 726 0.00 2.65 0.75 0.86
14 E" 770 726 0.00 2.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18405.0 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 17355.9 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 MP2/6-31G*
ABC
0.67438 0.67438 0.42185

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 0.868 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.457 0.911
H5 1.262 -0.728 0.911
H6 -1.262 -0.728 0.911
H7 0.000 1.457 -0.911
H8 1.262 -0.728 -0.911
H9 -1.262 -0.728 -0.911

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50351.50351.08462.22942.22941.08462.22942.2294
C21.50351.50352.22941.08462.22942.22941.08462.2294
C31.50351.50352.22942.22941.08462.22942.22941.0846
H41.08462.22942.22942.52352.52351.82163.11233.1123
H52.22941.08462.22942.52352.52353.11231.82163.1123
H62.22942.22941.08462.52352.52353.11233.11231.8216
H71.08462.22942.22941.82163.11233.11232.52352.5235
H82.22941.08462.22943.11231.82163.11232.52352.5235
H92.22942.22941.08463.11233.11231.82162.52352.5235

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 118.049
C1 C2 H8 118.049 C1 C3 C2 60.000
C1 C3 H6 118.049 C1 C3 H9 118.049
C2 C1 C3 60.000 C2 C1 H4 118.049
C2 C1 H7 118.049 C2 C3 H6 118.049
C2 C3 H9 118.049 C3 C1 H4 118.049
C3 C1 H7 118.049 C3 C2 H5 118.049
C3 C2 H8 118.049 H4 C1 H7 114.229
H5 C2 H8 114.229 H6 C3 H9 114.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability