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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-116.465097
Energy at 298.15K 
HF Energy-116.465097
Nuclear repulsion energy75.154781
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/STO-3G
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' 3457 3038 0.00 88.05 0.05 0.10
2 A1' 1675 1472 0.00 14.32 0.73 0.84
3 A1' 1341 1179 0.00 19.72 0.20 0.33
4 A1" 1267 1113 0.00 0.00 0.75 0.86
5 A2' 1224 1076 0.00 0.00 0.75 0.86
6 A2" 3603 3167 0.52 0.00 0.75 0.86
7 A2" 898 789 0.68 0.00 0.75 0.86
8 E' 3442 3025 3.28 8.69 0.75 0.86
8 E' 3442 3025 3.28 8.69 0.75 0.86
9 E' 1617 1421 0.63 8.43 0.75 0.86
9 E' 1617 1421 0.63 8.43 0.75 0.86
10 E' 1240 1089 2.03 0.00 0.75 0.86
10 E' 1240 1089 2.03 0.00 0.75 0.86
11 E' 1020 897 7.63 10.56 0.75 0.86
11 E' 1020 897 7.63 10.56 0.75 0.86
12 E" 3595 3160 0.00 40.82 0.75 0.86
12 E" 3595 3160 0.00 40.82 0.75 0.86
13 E" 1315 1156 0.00 11.94 0.75 0.86
13 E" 1315 1156 0.00 11.94 0.75 0.86
14 E" 816 717 0.00 2.18 0.75 0.86
14 E" 816 717 0.00 2.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19776.7 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 17381.7 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/STO-3G
ABC
0.66253 0.66253 0.41401

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.876 0.000
C2 0.759 -0.438 0.000
C3 -0.759 -0.438 0.000
H4 0.000 1.470 0.917
H5 1.273 -0.735 0.917
H6 -1.273 -0.735 0.917
H7 0.000 1.470 -0.917
H8 1.273 -0.735 -0.917
H9 -1.273 -0.735 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51811.51811.09222.24892.24891.09222.24892.2489
C21.51811.51812.24891.09222.24892.24891.09222.2489
C31.51811.51812.24892.24891.09222.24892.24891.0922
H41.09222.24892.24892.54572.54571.83423.13763.1376
H52.24891.09222.24892.54572.54573.13761.83423.1376
H62.24892.24891.09222.54572.54573.13763.13761.8342
H71.09222.24892.24891.83423.13763.13762.54572.5457
H82.24891.09222.24893.13761.83423.13762.54572.5457
H92.24892.24891.09223.13763.13761.83422.54572.5457

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 118.060
C1 C2 H8 118.060 C1 C3 C2 60.000
C1 C3 H6 118.060 C1 C3 H9 118.060
C2 C1 C3 60.000 C2 C1 H4 118.060
C2 C1 H7 118.060 C2 C3 H6 118.060
C2 C3 H9 118.060 C3 C1 H4 118.060
C3 C1 H7 118.060 C3 C2 H5 118.060
C3 C2 H8 118.060 H4 C1 H7 114.200
H5 C2 H8 114.200 H6 C3 H9 114.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 C -0.172      
3 C -0.172      
4 H 0.086      
5 H 0.086      
6 H 0.086      
7 H 0.086      
8 H 0.086      
9 H 0.086      


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 -19.184 0.000 0.000
y 0.000 -19.184 0.000
z 0.000 0.000 -17.349
Traceless
 xyz
x -0.918 0.000 0.000
y 0.000 -0.918 0.000
z 0.000 0.000 1.835
Polar
3z2-r23.670
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 2.227 0.000 0.000
y 0.000 2.227 0.000
z 0.000 0.000 2.251


<r2> (average value of r2) Å2
<r2> 43.435
(<r2>)1/2 6.591