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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-117.877495
Energy at 298.15K 
HF Energy-117.877495
Nuclear repulsion energy75.296215
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 TPSSh/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' 3171 3051 0.00 256.49 0.04 0.07
2 A1' 1553 1494 0.00 7.08 0.67 0.81
3 A1' 1226 1179 0.00 30.28 0.08 0.14
4 A1" 1172 1128 0.00 0.00 0.75 0.86
5 A2' 1143 1100 0.00 0.00 0.75 0.86
6 A2" 3265 3141 50.31 0.00 0.75 0.86
7 A2" 874 841 0.90 0.00 0.75 0.86
8 E' 3159 3039 29.56 21.27 0.75 0.86
8 E' 3159 3039 29.56 21.27 0.75 0.86
9 E' 1525 1467 1.40 10.26 0.75 0.86
9 E' 1525 1467 1.40 10.26 0.75 0.86
10 E' 1100 1059 17.37 0.03 0.75 0.86
10 E' 1100 1059 17.37 0.03 0.75 0.86
11 E' 896 862 19.83 16.99 0.75 0.86
11 E' 896 862 19.83 16.99 0.75 0.86
12 E" 3240 3117 0.00 100.29 0.75 0.86
12 E" 3240 3117 0.00 100.28 0.75 0.86
13 E" 1242 1194 0.00 12.29 0.75 0.86
13 E" 1242 1194 0.00 12.29 0.75 0.86
14 E" 767 738 0.00 3.31 0.75 0.86
14 E" 767 738 0.00 3.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18130.0 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 17442.9 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 TPSSh/6-31G
ABC
0.66468 0.66468 0.41390

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.877 0.000
C2 0.759 -0.438 0.000
C3 -0.759 -0.438 0.000
H4 0.000 1.469 0.909
H5 1.272 -0.734 0.909
H6 -1.272 -0.734 0.909
H7 0.000 1.469 -0.909
H8 1.272 -0.734 -0.909
H9 -1.272 -0.734 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51901.51901.08472.24512.24511.08472.24512.2451
C21.51901.51902.24511.08472.24512.24511.08472.2451
C31.51901.51902.24512.24511.08472.24512.24511.0847
H41.08472.24512.24512.54372.54371.81823.12673.1267
H52.24511.08472.24512.54372.54373.12671.81823.1267
H62.24512.24511.08472.54372.54373.12673.12671.8182
H71.08472.24512.24511.81823.12673.12672.54372.5437
H82.24511.08472.24513.12671.81823.12672.54372.5437
H92.24512.24511.08473.12673.12671.81822.54372.5437

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 118.190
C1 C2 H8 118.190 C1 C3 C2 60.000
C1 C3 H6 118.190 C1 C3 H9 118.190
C2 C1 C3 60.000 C2 C1 H4 118.190
C2 C1 H7 118.190 C2 C3 H6 118.190
C2 C3 H9 118.190 C3 C1 H4 118.190
C3 C1 H7 118.190 C3 C2 H5 118.190
C3 C2 H8 118.190 H4 C1 H7 113.886
H5 C2 H8 113.886 H6 C3 H9 113.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.325      
2 C -0.325      
3 C -0.325      
4 H 0.162      
5 H 0.162      
6 H 0.162      
7 H 0.162      
8 H 0.162      
9 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.403 0.000 0.000
y 0.000 4.403 0.000
z 0.000 0.000 4.276


<r2> (average value of r2) Å2
<r2> 44.003
(<r2>)1/2 6.634