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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCSD(T)/3-21G

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(T)/3-21G
 hartrees
Energy at 0K-116.714468
Energy at 298.15K-116.720835
HF Energy-116.399107
Nuclear repulsion energy74.595648
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(T)/3-21G
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' 3144 3114        
2 A1' 1552 1538        
3 A1' 1115 1105        
4 A1" 1186 1175        
5 A2' 1145 1135        
6 A2" 3235 3205        
7 A2" 862 854        
8 E' 3133 3104        
8 E' 3133 3103        
9 E' 1530 1516        
9 E' 1530 1515        
10 E' 1122 1112        
10 E' 1122 1112        
11 E' 826 819        
11 E' 826 818        
12 E" 3213 3183        
12 E" 3213 3183        
13 E" 1233 1222        
13 E" 1233 1222        
14 E" 775 768        
14 E" 775 767        

Unscaled Zero Point Vibrational Energy (zpe) 17952.3 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 17783.6 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(T)/3-21G
ABC
0.65129 0.65129 0.40535

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.889 0.000
C2 0.770 -0.445 0.000
C3 -0.770 -0.445 0.000
H4 0.000 1.474 0.917
H5 1.276 -0.737 0.917
H6 -1.276 -0.737 0.917
H7 0.000 1.474 -0.917
H8 1.276 -0.737 -0.917
H9 -1.276 -0.737 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53991.53991.08782.26142.26141.08782.26142.2614
C21.53991.53992.26141.08782.26142.26141.08782.2614
C31.53991.53992.26142.26141.08782.26142.26141.0878
H41.08782.26142.26142.55242.55241.83483.14353.1435
H52.26141.08782.26142.55242.55243.14351.83483.1435
H62.26142.26141.08782.55242.55243.14353.14351.8348
H71.08782.26142.26141.83483.14353.14352.55242.5524
H82.26141.08782.26143.14351.83483.14352.55242.5524
H92.26142.26141.08783.14353.14351.83482.55242.5524

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 117.736
C1 C2 H8 117.736 C1 C3 C2 60.000
C1 C3 H6 117.736 C1 C3 H9 117.736
C2 C1 C3 60.000 C2 C1 H4 117.736
C2 C1 H7 117.736 C2 C3 H6 117.736
C2 C3 H9 117.736 C3 C1 H4 117.736
C3 C1 H7 117.736 C3 C2 H5 117.736
C3 C2 H8 117.736 H4 C1 H7 114.988
H5 C2 H8 114.988 H6 C3 H9 114.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability