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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CID/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 CID/CEP-121G*
 hartrees
Energy at 0K-20.306750
Energy at 298.15K-20.313174
HF Energy-19.922683
Nuclear repulsion energy42.980920
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 CID/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' 3217 2973 0.00      
2 A1' 1588 1467 0.00      
3 A1' 1244 1149 0.00      
4 A1" 1206 1115 0.00      
5 A2' 1128 1042 0.00      
6 A2" 3315 3063 49.52      
7 A2" 871 805 0.14      
8 E' 3203 2960 28.92      
8 E' 3203 2960 28.92      
9 E' 1526 1410 0.64      
9 E' 1526 1410 0.64      
10 E' 1118 1033 7.36      
10 E' 1118 1033 7.36      
11 E' 920 850 26.64      
11 E' 920 850 26.64      
12 E" 3294 3044 0.00      
12 E" 3294 3044 0.00      
13 E" 1256 1160 0.00      
13 E" 1256 1160 0.00      
14 E" 766 707 0.00      
14 E" 766 707 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18366.4 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 16970.5 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 CID/CEP-121G*
ABC
0.66747 0.66747 0.41674

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.875 0.000
C2 0.758 -0.438 0.000
C3 -0.758 -0.438 0.000
H4 0.000 1.459 0.912
H5 1.264 -0.730 0.912
H6 -1.264 -0.730 0.912
H7 0.000 1.459 -0.912
H8 1.264 -0.730 -0.912
H9 -1.264 -0.730 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51581.51581.08322.23722.23721.08322.23722.2372
C21.51581.51582.23721.08322.23722.23721.08322.2372
C31.51581.51582.23722.23721.08322.23722.23721.0832
H41.08322.23722.23722.52782.52781.82413.11733.1173
H52.23721.08322.23722.52782.52783.11731.82413.1173
H62.23722.23721.08322.52782.52783.11733.11731.8241
H71.08322.23722.23721.82413.11733.11732.52782.5278
H82.23721.08322.23723.11731.82413.11732.52782.5278
H92.23722.23721.08323.11733.11731.82412.52782.5278

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 117.849
C1 C2 H8 117.849 C1 C3 C2 60.000
C1 C3 H6 117.849 C1 C3 H9 117.849
C2 C1 C3 60.000 C2 C1 H4 117.849
C2 C1 H7 117.849 C2 C3 H6 117.849
C2 C3 H9 117.849 C3 C1 H4 117.849
C3 C1 H7 117.849 C3 C2 H5 117.849
C3 C2 H8 117.849 H4 C1 H7 114.712
H5 C2 H8 114.712 H6 C3 H9 114.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability