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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCSD/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCSD/SDD
 hartrees
Energy at 0K-117.315258
Energy at 298.15K-117.321636
HF Energy-117.014559
Nuclear repulsion energy73.931800
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 CCSD/SDD
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' 3117 2940 0.00      
2 A1' 1526 1440 0.00      
3 A1' 1180 1112 0.00      
4 A1" 1171 1104 0.00      
5 A2' 1143 1078 0.00      
6 A2" 3216 3033 61.34      
7 A2" 875 825 2.55      
8 E' 3101 2924 31.52      
8 E' 3101 2924 31.52      
9 E' 1492 1407 2.62      
9 E' 1492 1407 2.62      
10 E' 1128 1064 15.48      
10 E' 1128 1064 15.48      
11 E' 845 797 23.39      
11 E' 845 797 23.39      
12 E" 3195 3013 0.00      
12 E" 3195 3013 0.00      
13 E" 1226 1157 0.00      
13 E" 1226 1157 0.00      
14 E" 783 739 0.00      
14 E" 783 739 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17884.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16866.8 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 CCSD/SDD
ABC
0.63990 0.63990 0.39749

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/SDD

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.897 0.000
C2 0.777 -0.449 0.000
C3 -0.777 -0.449 0.000
H4 0.000 1.491 0.922
H5 1.291 -0.745 0.922
H6 -1.291 -0.745 0.922
H7 0.000 1.491 -0.922
H8 1.291 -0.745 -0.922
H9 -1.291 -0.745 -0.922

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.55381.55381.09652.28362.28361.09652.28362.2836
C21.55381.55382.28361.09652.28362.28361.09652.2836
C31.55381.55382.28362.28361.09652.28362.28361.0965
H41.09652.28362.28362.58232.58231.84373.17293.1729
H52.28361.09652.28362.58232.58233.17291.84373.1729
H62.28362.28361.09652.58232.58233.17293.17291.8437
H71.09652.28362.28361.84373.17293.17292.58232.5823
H82.28361.09652.28363.17291.84373.17292.58232.5823
H92.28362.28361.09653.17293.17291.84372.58232.5823

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 117.968
C1 C2 H8 117.968 C1 C3 C2 60.000
C1 C3 H6 117.968 C1 C3 H9 117.968
C2 C1 C3 60.000 C2 C1 H4 117.968
C2 C1 H7 117.968 C2 C3 H6 117.968
C2 C3 H9 117.968 C3 C1 H4 117.968
C3 C1 H7 117.968 C3 C2 H5 117.968
C3 C2 H8 117.968 H4 C1 H7 114.426
H5 C2 H8 114.426 H6 C3 H9 114.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability