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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-117.218888
Energy at 298.15K 
HF Energy-117.218888
Nuclear repulsion energy75.411991
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 mPW1PW91/3-21G
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' 3199 3053 0.00 201.56 0.04 0.09
2 A1' 1547 1477 0.00 7.57 0.72 0.84
3 A1' 1186 1132 0.00 25.04 0.08 0.14
4 A1" 1173 1120 0.00 0.00 0.75 0.86
5 A2' 1142 1090 0.00 0.00 0.75 0.86
6 A2" 3296 3147 17.83 0.00 0.75 0.86
7 A2" 869 830 1.70 0.00 0.75 0.86
8 E' 3189 3044 15.80 15.58 0.75 0.86
8 E' 3189 3044 15.80 15.58 0.75 0.86
9 E' 1518 1449 5.15 8.71 0.75 0.86
9 E' 1518 1449 5.15 8.71 0.75 0.86
10 E' 1093 1043 27.84 0.03 0.75 0.86
10 E' 1093 1043 27.84 0.03 0.75 0.86
11 E' 880 840 17.14 16.50 0.75 0.86
11 E' 880 840 17.14 16.50 0.75 0.86
12 E" 3272 3124 0.00 81.43 0.75 0.86
12 E" 3272 3124 0.00 81.43 0.75 0.86
13 E" 1235 1179 0.00 12.46 0.75 0.86
13 E" 1235 1179 0.00 12.47 0.75 0.86
14 E" 771 736 0.00 3.50 0.75 0.86
14 E" 771 736 0.00 3.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18164.4 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 17339.7 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 mPW1PW91/3-21G
ABC
0.66623 0.66623 0.41614

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

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 1.457 0.914
H5 1.262 -0.729 0.914
H6 -1.262 -0.729 0.914
H7 0.000 1.457 -0.914
H8 1.262 -0.729 -0.914
H9 -1.262 -0.729 -0.914

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51841.51841.08262.23722.23721.08262.23722.2372
C21.51841.51842.23721.08262.23722.23721.08262.2372
C31.51841.51842.23722.23721.08262.23722.23721.0826
H41.08262.23722.23722.52432.52431.82743.11633.1163
H52.23721.08262.23722.52432.52433.11631.82743.1163
H62.23722.23721.08262.52432.52433.11633.11631.8274
H71.08262.23722.23721.82743.11633.11632.52432.5243
H82.23721.08262.23723.11631.82743.11632.52432.5243
H92.23722.23721.08263.11633.11631.82742.52432.5243

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 117.682
C1 C2 H8 117.682 C1 C3 C2 60.000
C1 C3 H6 117.682 C1 C3 H9 117.682
C2 C1 C3 60.000 C2 C1 H4 117.682
C2 C1 H7 117.682 C2 C3 H6 117.682
C2 C3 H9 117.682 C3 C1 H4 117.682
C3 C1 H7 117.682 C3 C2 H5 117.682
C3 C2 H8 117.682 H4 C1 H7 115.119
H5 C2 H8 115.119 H6 C3 H9 115.119
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.460      
2 C -0.460      
3 C -0.460      
4 H 0.230      
5 H 0.230      
6 H 0.230      
7 H 0.230      
8 H 0.230      
9 H 0.230      


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
Primitive
 xyz
x -20.436 0.000 0.000
y 0.000 -20.436 0.000
z 0.000 0.000 -18.103
Traceless
 xyz
x -1.167 0.000 0.000
y 0.000 -1.167 0.000
z 0.000 0.000 2.333
Polar
3z2-r24.666
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.131 0.000 0.000
y 0.000 4.131 0.000
z 0.000 0.000 4.016


<r2> (average value of r2) Å2
<r2> 43.864
(<r2>)1/2 6.623