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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/CEP-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 CCD/CEP-31G*
 hartrees
Energy at 0K-20.315573
Energy at 298.15K-20.321899
HF Energy-19.910691
Nuclear repulsion energy42.376596
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 CCD/CEP-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' 3161 2981 0.00      
2 A1' 1558 1469 0.00      
3 A1' 1225 1155 0.00      
4 A1" 1160 1094 0.00      
5 A2' 1070 1009 0.00      
6 A2" 3262 3076 66.23      
7 A2" 844 796 1.25      
8 E' 3148 2969 33.01      
8 E' 3148 2969 33.01      
9 E' 1474 1391 1.25      
9 E' 1474 1391 1.25      
10 E' 1074 1013 9.02      
10 E' 1074 1013 9.02      
11 E' 894 843 26.33      
11 E' 894 843 26.33      
12 E" 3241 3057 0.00      
12 E" 3241 3057 0.00      
13 E" 1207 1138 0.00      
13 E" 1207 1138 0.00      
14 E" 733 691 0.00      
14 E" 733 691 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17910.5 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16891.4 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 CCD/CEP-31G*
ABC
0.64856 0.64856 0.40548

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.888 0.000
C2 0.769 -0.444 0.000
C3 -0.769 -0.444 0.000
H4 0.000 1.477 0.928
H5 1.279 -0.738 0.928
H6 -1.279 -0.738 0.928
H7 0.000 1.477 -0.928
H8 1.279 -0.738 -0.928
H9 -1.279 -0.738 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53811.53811.09882.26752.26751.09882.26752.2675
C21.53811.53812.26751.09882.26752.26751.09882.2675
C31.53811.53812.26752.26751.09882.26752.26751.0988
H41.09882.26752.26752.55782.55781.85553.16003.1600
H52.26751.09882.26752.55782.55783.16001.85553.1600
H62.26752.26751.09882.55782.55783.16003.16001.8555
H71.09882.26752.26751.85553.16003.16002.55782.5578
H82.26751.09882.26753.16001.85553.16002.55782.5578
H92.26752.26751.09883.16003.16001.85552.55782.5578

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 117.646
C1 C2 H8 117.646 C1 C3 C2 60.000
C1 C3 H6 117.646 C1 C3 H9 117.646
C2 C1 C3 60.000 C2 C1 H4 117.646
C2 C1 H7 117.646 C2 C3 H6 117.646
C2 C3 H9 117.646 C3 C1 H4 117.646
C3 C1 H7 117.646 C3 C2 H5 117.646
C3 C2 H8 117.646 H4 C1 H7 115.205
H5 C2 H8 115.204 H6 C3 H9 115.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability