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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-117.496629
Energy at 298.15K-117.503019
HF Energy-117.057857
Nuclear repulsion energy75.486952
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 QCISD(T)/6-31G*
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' 3163 3034        
2 A1' 1566 1502        
3 A1' 1240 1190        
4 A1" 1181 1133        
5 A2' 1106 1061        
6 A2" 3249 3116        
7 A2" 873 837        
8 E' 3152 3024        
8 E' 3152 3024        
9 E' 1512 1450        
9 E' 1512 1450        
10 E' 1100 1056        
10 E' 1100 1055        
11 E' 911 874        
11 E' 911 874        
12 E" 3230 3099        
12 E" 3230 3099        
13 E" 1239 1189        
13 E" 1239 1189        
14 E" 759 728        
14 E" 759 728        

Unscaled Zero Point Vibrational Energy (zpe) 18092.1 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 17355.8 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 QCISD(T)/6-31G*
ABC
0.66851 0.66851 0.41795

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.872 0.000
C2 0.755 -0.436 0.000
C3 -0.755 -0.436 0.000
H4 0.000 1.464 0.914
H5 1.268 -0.732 0.914
H6 -1.268 -0.732 0.914
H7 0.000 1.464 -0.914
H8 1.268 -0.732 -0.914
H9 -1.268 -0.732 -0.914

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51031.51031.08902.23962.23961.08902.23962.2396
C21.51031.51032.23961.08902.23962.23961.08902.2396
C31.51031.51032.23962.23961.08902.23962.23961.0890
H41.08902.23962.23962.53612.53611.82773.12603.1260
H52.23961.08902.23962.53612.53613.12601.82773.1260
H62.23962.23961.08902.53612.53613.12603.12601.8277
H71.08902.23962.23961.82773.12603.12602.53612.5361
H82.23961.08902.23963.12601.82773.12602.53612.5361
H92.23962.23961.08903.12603.12601.82772.53612.5361

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 118.100
C1 C2 H8 118.100 C1 C3 C2 60.000
C1 C3 H6 118.100 C1 C3 H9 118.100
C2 C1 C3 60.000 C2 C1 H4 118.100
C2 C1 H7 118.100 C2 C3 H6 118.100
C2 C3 H9 118.100 C3 C1 H4 118.100
C3 C1 H7 118.100 C3 C2 H5 118.100
C3 C2 H8 118.100 H4 C1 H7 114.104
H5 C2 H8 114.104 H6 C3 H9 114.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability