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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-20.355977
Energy at 298.15K-20.362347
HF Energy-19.922017
Nuclear repulsion energy42.750434
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' 3142 2963 0.00      
2 A1' 1549 1461 0.00      
3 A1' 1212 1143 0.00      
4 A1" 1180 1113 0.00      
5 A2' 1092 1030 0.00      
6 A2" 3238 3053 50.07      
7 A2" 852 803 0.16      
8 E' 3129 2951 29.16      
8 E' 3129 2951 29.16      
9 E' 1492 1407 0.56      
9 E' 1492 1407 0.56      
10 E' 1093 1031 8.86      
10 E' 1093 1031 8.86      
11 E' 892 842 23.81      
11 E' 892 842 23.81      
12 E" 3218 3035 0.00      
12 E" 3218 3035 0.00      
13 E" 1226 1157 0.00      
13 E" 1226 1157 0.00      
14 E" 750 708 0.00      
14 E" 750 708 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17931.7 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16911.3 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
0.66029 0.66029 0.41234

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 0.880 0.000
C2 0.762 -0.440 0.000
C3 -0.762 -0.440 0.000
H4 0.000 1.467 0.917
H5 1.270 -0.733 0.917
H6 -1.270 -0.733 0.917
H7 0.000 1.467 -0.917
H8 1.270 -0.733 -0.917
H9 -1.270 -0.733 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52411.52411.08902.24902.24901.08902.24902.2490
C21.52411.52412.24901.08902.24902.24901.08902.2490
C31.52411.52412.24902.24901.08902.24902.24901.0890
H41.08902.24902.24902.54062.54061.83483.13383.1338
H52.24901.08902.24902.54062.54063.13381.83483.1338
H62.24902.24901.08902.54062.54063.13383.13381.8348
H71.08902.24902.24901.83483.13383.13382.54062.5406
H82.24901.08902.24903.13381.83483.13382.54062.5406
H92.24902.24901.08903.13383.13381.83482.54062.5406

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 117.820
C1 C2 H8 117.820 C1 C3 C2 60.000
C1 C3 H6 117.820 C1 C3 H9 117.820
C2 C1 C3 60.000 C2 C1 H4 117.820
C2 C1 H7 117.820 C2 C3 H6 117.820
C2 C3 H9 117.820 C3 C1 H4 117.820
C3 C1 H7 117.820 C3 C2 H5 117.820
C3 C2 H8 117.820 H4 C1 H7 114.784
H5 C2 H8 114.784 H6 C3 H9 114.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability