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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-116.705139
Energy at 298.15K-116.711536
HF Energy-116.399693
Nuclear repulsion energy74.818786
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/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' 3169 3031 0.00      
2 A1' 1567 1499 0.00      
3 A1' 1140 1091 0.00      
4 A1" 1197 1145 0.00      
5 A2' 1164 1114 0.00      
6 A2" 3258 3117 25.11      
7 A2" 872 834 0.56      
8 E' 3158 3020 15.55      
8 E' 3158 3020 15.55      
9 E' 1542 1475 2.40      
9 E' 1542 1475 2.40      
10 E' 1138 1088 18.03      
10 E' 1138 1088 18.03      
11 E' 849 812 14.65      
11 E' 849 812 14.65      
12 E" 3236 3096 0.00      
12 E" 3236 3096 0.00      
13 E" 1245 1191 0.00      
13 E" 1245 1191 0.00      
14 E" 785 751 0.00      
14 E" 785 751 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18137.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 17348.4 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/3-21G*
ABC
0.65545 0.65545 0.40814

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.886 0.000
C2 0.767 -0.443 0.000
C3 -0.767 -0.443 0.000
H4 0.000 1.470 0.915
H5 1.273 -0.735 0.915
H6 -1.273 -0.735 0.915
H7 0.000 1.470 -0.915
H8 1.273 -0.735 -0.915
H9 -1.273 -0.735 -0.915

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53381.53381.08632.25522.25521.08632.25522.2552
C21.53381.53382.25521.08632.25522.25521.08632.2552
C31.53381.53382.25522.25521.08632.25522.25521.0863
H41.08632.25522.25522.54672.54671.83083.13653.1365
H52.25521.08632.25522.54672.54673.13651.83083.1365
H62.25522.25521.08632.54672.54673.13653.13651.8308
H71.08632.25522.25521.83083.13653.13652.54672.5467
H82.25521.08632.25523.13651.83083.13652.54672.5467
H92.25522.25521.08633.13653.13651.83082.54672.5467

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 117.790
C1 C2 H8 117.790 C1 C3 C2 60.000
C1 C3 H6 117.790 C1 C3 H9 117.790
C2 C1 C3 60.000 C2 C1 H4 117.790
C2 C1 H7 117.790 C2 C3 H6 117.790
C2 C3 H9 117.790 C3 C1 H4 117.790
C3 C1 H7 117.790 C3 C2 H5 117.790
C3 C2 H8 117.790 H4 C1 H7 114.857
H5 C2 H8 114.857 H6 C3 H9 114.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability