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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/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 CCD/STO-3G
 hartrees
Energy at 0K-115.876106
Energy at 298.15K-115.882438
HF Energy-115.660670
Nuclear repulsion energy74.212814
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/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' 3377 3377 0.00      
2 A1' 1661 1661 0.00      
3 A1' 1299 1299 0.00      
4 A1" 1260 1260 0.00      
5 A2' 1228 1228 0.00      
6 A2" 3511 3511 1.11      
7 A2" 878 878 0.00      
8 E' 3363 3363 0.43      
8 E' 3363 3363 0.43      
9 E' 1605 1605 0.21      
9 E' 1605 1605 0.21      
10 E' 1248 1248 0.31      
10 E' 1248 1248 0.31      
11 E' 1002 1002 2.96      
11 E' 1002 1002 2.96      
12 E" 3505 3505 0.00      
12 E" 3505 3505 0.00      
13 E" 1307 1307 0.00      
13 E" 1307 1307 0.00      
14 E" 808 808 0.00      
14 E" 808 808 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19444.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19444.4 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/STO-3G
ABC
0.64597 0.64597 0.40349

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

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 1.488 0.928
H5 1.289 -0.744 0.928
H6 -1.289 -0.744 0.928
H7 0.000 1.488 -0.928
H8 1.289 -0.744 -0.928
H9 -1.289 -0.744 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53791.53791.10532.27742.27741.10532.27742.2774
C21.53791.53792.27741.10532.27742.27741.10532.2774
C31.53791.53792.27742.27741.10532.27742.27741.1053
H41.10532.27742.27742.57812.57811.85593.17663.1766
H52.27741.10532.27742.57812.57813.17661.85593.1766
H62.27742.27741.10532.57812.57813.17663.17661.8559
H71.10532.27742.27741.85593.17663.17662.57812.5781
H82.27741.10532.27743.17661.85593.17662.57812.5781
H92.27742.27741.10533.17663.17661.85592.57812.5781

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 118.070
C1 C2 H8 118.070 C1 C3 C2 60.000
C1 C3 H6 118.070 C1 C3 H9 118.070
C2 C1 C3 60.000 C2 C1 H4 118.070
C2 C1 H7 118.070 C2 C3 H6 118.070
C2 C3 H9 118.070 C3 C1 H4 118.070
C3 C1 H7 118.070 C3 C2 H5 118.070
C3 C2 H8 118.070 H4 C1 H7 114.177
H5 C2 H8 114.177 H6 C3 H9 114.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability