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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCSD/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-20.174791
Energy at 298.15K-20.181179
HF Energy-19.864730
Nuclear repulsion energy42.116129
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/CEP-121G
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' 3057 2883 0.00      
2 A1' 1512 1426 0.00      
3 A1' 1173 1106 0.00      
4 A1" 1177 1110 0.00      
5 A2' 1127 1063 0.00      
6 A2" 3159 2980 64.80      
7 A2" 847 799 0.15      
8 E' 3038 2865 30.34      
8 E' 3038 2865 30.34      
9 E' 1477 1393 0.98      
9 E' 1477 1393 0.98      
10 E' 1128 1064 12.49      
10 E' 1128 1064 12.49      
11 E' 846 798 26.34      
11 E' 846 798 26.34      
12 E" 3136 2958 0.00      
12 E" 3136 2958 0.00      
13 E" 1218 1149 0.00      
13 E" 1218 1149 0.00      
14 E" 772 728 0.00      
14 E" 772 728 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17641.0 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16637.2 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/CEP-121G
ABC
0.63845 0.63845 0.39661

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/CEP-121G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.899 0.000
C2 0.778 -0.449 0.000
C3 -0.778 -0.449 0.000
H4 0.000 1.490 0.923
H5 1.290 -0.745 0.923
H6 -1.290 -0.745 0.923
H7 0.000 1.490 -0.923
H8 1.290 -0.745 -0.923
H9 -1.290 -0.745 -0.923

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.55691.55691.09582.28422.28421.09582.28422.2842
C21.55691.55692.28421.09582.28422.28421.09582.2842
C31.55691.55692.28422.28421.09582.28422.28421.0958
H41.09582.28422.28422.57992.57991.84603.17233.1723
H52.28421.09582.28422.57992.57993.17231.84603.1723
H62.28422.28421.09582.57992.57993.17233.17231.8460
H71.09582.28422.28421.84603.17233.17232.57992.5799
H82.28421.09582.28423.17231.84603.17232.57992.5799
H92.28422.28421.09583.17233.17231.84602.57992.5799

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 117.825
C1 C2 H8 117.825 C1 C3 C2 60.000
C1 C3 H6 117.825 C1 C3 H9 117.825
C2 C1 C3 60.000 C2 C1 H4 117.825
C2 C1 H7 117.825 C2 C3 H6 117.825
C2 C3 H9 117.825 C3 C1 H4 117.825
C3 C1 H7 117.825 C3 C2 H5 117.825
C3 C2 H8 117.825 H4 C1 H7 114.770
H5 C2 H8 114.770 H6 C3 H9 114.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability