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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-117.866628
Energy at 298.15K 
HF Energy-117.866628
Nuclear repulsion energy75.824117
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(2df,p)
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' 3153 3032 0.00 240.61 0.04 0.07
2 A1' 1514 1456 0.00 4.46 0.75 0.86
3 A1' 1233 1185 0.00 29.82 0.09 0.16
4 A1" 1155 1111 0.00 0.00 0.75 0.86
5 A2' 1082 1040 0.00 0.00 0.75 0.86
6 A2" 3247 3122 27.51 0.00 0.75 0.86
7 A2" 854 821 0.62 0.00 0.75 0.86
8 E' 3145 3023 24.82 20.39 0.75 0.86
8 E' 3145 3023 24.82 20.39 0.75 0.86
9 E' 1465 1409 0.65 8.64 0.75 0.86
9 E' 1465 1409 0.65 8.64 0.75 0.86
10 E' 1057 1017 6.87 0.00 0.75 0.86
10 E' 1057 1017 6.87 0.00 0.75 0.86
11 E' 911 876 16.24 11.92 0.75 0.86
11 E' 911 876 16.24 11.92 0.75 0.86
12 E" 3226 3101 0.00 90.98 0.75 0.86
12 E" 3226 3101 0.00 90.98 0.75 0.86
13 E" 1208 1162 0.00 8.64 0.75 0.86
13 E" 1208 1162 0.00 8.64 0.75 0.86
14 E" 734 706 0.00 2.34 0.75 0.86
14 E" 734 706 0.00 2.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17865.9 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 17176.3 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(2df,p)
ABC
0.67460 0.67460 0.42186

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.751 -0.434 0.000
C3 -0.751 -0.434 0.000
H4 0.000 1.458 0.910
H5 1.263 -0.729 0.910
H6 -1.263 -0.729 0.910
H7 0.000 1.458 -0.910
H8 1.263 -0.729 -0.910
H9 -1.263 -0.729 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50301.50301.08482.22982.22981.08482.22982.2298
C21.50301.50302.22981.08482.22982.22981.08482.2298
C31.50301.50302.22982.22981.08482.22982.22981.0848
H41.08482.22982.22982.52522.52521.82033.11293.1129
H52.22981.08482.22982.52522.52523.11291.82033.1129
H62.22982.22981.08482.52522.52523.11293.11291.8203
H71.08482.22982.22981.82033.11293.11292.52522.5252
H82.22981.08482.22983.11291.82033.11292.52522.5252
H92.22982.22981.08483.11293.11291.82032.52522.5252

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 118.112
C1 C2 H8 118.112 C1 C3 C2 60.000
C1 C3 H6 118.112 C1 C3 H9 118.112
C2 C1 C3 60.000 C2 C1 H4 118.112
C2 C1 H7 118.112 C2 C3 H6 118.112
C2 C3 H9 118.112 C3 C1 H4 118.112
C3 C1 H7 118.112 C3 C2 H5 118.112
C3 C2 H8 118.112 H4 C1 H7 114.075
H5 C2 H8 114.075 H6 C3 H9 114.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 C -0.276      
3 C -0.276      
4 H 0.138      
5 H 0.138      
6 H 0.138      
7 H 0.138      
8 H 0.138      
9 H 0.138      


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 -20.164 0.000 0.000
y 0.000 -20.164 0.000
z 0.000 0.000 -17.992
Traceless
 xyz
x -1.086 0.000 0.000
y 0.000 -1.086 0.000
z 0.000 0.000 2.172
Polar
3z2-r24.343
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 4.655 0.000 0.000
y 0.000 4.655 0.000
z 0.000 0.000 4.420


<r2> (average value of r2) Å2
<r2> 43.419
(<r2>)1/2 6.589