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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-117.855533
Energy at 298.15K-117.861892
Nuclear repulsion energy75.738408
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 B3PW91/6-31G*
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' 3166 3029 0.00      
2 A1' 1547 1480 0.00      
3 A1' 1242 1189 0.00      
4 A1" 1162 1111 0.00      
5 A2' 1088 1041 0.00      
6 A2" 3255 3114 35.22      
7 A2" 867 829 0.78      
8 E' 3157 3021 27.28      
8 E' 3157 3021 27.28      
9 E' 1493 1428 0.80      
9 E' 1493 1428 0.80      
10 E' 1069 1022 9.98      
10 E' 1069 1022 9.98      
11 E' 914 874 19.43      
11 E' 914 874 19.43      
12 E" 3234 3094 0.00      
12 E" 3234 3094 0.00      
13 E" 1223 1170 0.00      
13 E" 1223 1170 0.00      
14 E" 744 712 0.00      
14 E" 744 712 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17996.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17217.5 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 B3PW91/6-31G*
ABC
0.67316 0.67316 0.42106

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.460 0.912
H5 1.264 -0.730 0.912
H6 -1.264 -0.730 0.912
H7 0.000 1.460 -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
C11.50401.50401.08672.23262.23261.08672.23262.2326
C21.50401.50402.23261.08672.23262.23261.08672.2326
C31.50401.50402.23262.23261.08672.23262.23261.0867
H41.08672.23262.23262.52892.52891.82313.11753.1175
H52.23261.08672.23262.52892.52893.11751.82313.1175
H62.23262.23261.08672.52892.52893.11753.11751.8231
H71.08672.23262.23261.82313.11753.11752.52892.5289
H82.23261.08672.23263.11751.82313.11752.52892.5289
H92.23262.23261.08673.11753.11751.82312.52892.5289

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 118.132
C1 C2 H8 118.132 C1 C3 C2 60.000
C1 C3 H6 118.132 C1 C3 H9 118.132
C2 C1 C3 60.000 C2 C1 H4 118.132
C2 C1 H7 118.132 C2 C3 H6 118.132
C2 C3 H9 118.132 C3 C1 H4 118.132
C3 C1 H7 118.132 C3 C2 H5 118.132
C3 C2 H8 118.132 H4 C1 H7 114.026
H5 C2 H8 114.026 H6 C3 H9 114.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352     -0.296
2 C -0.352     -0.301
3 C -0.352     -0.309
4 H 0.176     0.149
5 H 0.176     0.151
6 H 0.176     0.153
7 H 0.176     0.149
8 H 0.176     0.151
9 H 0.176     0.153


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 0.002 0.000 0.000 0.002


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.202 0.000 0.000
y 0.000 -20.202 0.000
z 0.000 0.000 -17.975
Traceless
 xyz
x -1.113 0.000 0.000
y 0.000 -1.113 0.000
z 0.000 0.000 2.227
Polar
3z2-r24.453
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 43.503
(<r2>)1/2 6.596