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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-117.847944
Energy at 298.15K-117.854333
HF Energy-117.847944
Nuclear repulsion energy75.148692
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/LANL2DZ
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' 3208 3047 0.00      
2 A1' 1541 1464 0.00      
3 A1' 1241 1179 0.00      
4 A1" 1158 1100 0.00      
5 A2' 1143 1086 0.00      
6 A2" 3315 3149 54.86      
7 A2" 873 829 5.57      
8 E' 3191 3031 29.70      
8 E' 3191 3031 29.70      
9 E' 1501 1426 7.33      
9 E' 1501 1426 7.33      
10 E' 1093 1038 22.84      
10 E' 1093 1038 22.84      
11 E' 896 851 28.07      
11 E' 896 851 28.07      
12 E" 3290 3126 0.00      
12 E" 3290 3126 0.00      
13 E" 1227 1165 0.00      
13 E" 1227 1165 0.00      
14 E" 768 729 0.00      
14 E" 768 729 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18204.1 cm-1
Scaled (by 0.9499) Zero Point Vibrational Energy (zpe) 17292.1 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/LANL2DZ
ABC
0.66175 0.66175 0.41167

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/LANL2DZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.880 0.000
C2 0.762 -0.440 0.000
C3 -0.762 -0.440 0.000
H4 0.000 1.470 0.909
H5 1.273 -0.735 0.909
H6 -1.273 -0.735 0.909
H7 0.000 1.470 -0.909
H8 1.273 -0.735 -0.909
H9 -1.273 -0.735 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52431.52431.08392.24852.24851.08392.24852.2485
C21.52431.52432.24851.08392.24852.24851.08392.2485
C31.52431.52432.24852.24851.08392.24852.24851.0839
H41.08392.24852.24852.54612.54611.81853.12883.1288
H52.24851.08392.24852.54612.54613.12881.81853.1288
H62.24852.24851.08392.54612.54613.12883.12881.8185
H71.08392.24852.24851.81853.12883.12882.54612.5461
H82.24851.08392.24853.12881.81853.12882.54612.5461
H92.24852.24851.08393.12883.12881.81852.54612.5461

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 118.122
C1 C2 H8 118.122 C1 C3 C2 60.000
C1 C3 H6 118.122 C1 C3 H9 118.122
C2 C1 C3 60.000 C2 C1 H4 118.122
C2 C1 H7 118.122 C2 C3 H6 118.122
C2 C3 H9 118.122 C3 C1 H4 118.122
C3 C1 H7 118.122 C3 C2 H5 118.122
C3 C2 H8 118.122 H4 C1 H7 114.052
H5 C2 H8 114.051 H6 C3 H9 114.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.455      
2 C -0.455      
3 C -0.455      
4 H 0.228      
5 H 0.228      
6 H 0.228      
7 H 0.228      
8 H 0.228      
9 H 0.228      


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 -20.407 0.000 0.000
y 0.000 -20.407 0.000
z 0.000 0.000 -17.894
Traceless
 xyz
x -1.257 0.000 0.000
y 0.000 -1.257 0.000
z 0.000 0.000 2.513
Polar
3z2-r25.027
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 4.608 0.000 0.000
y 0.000 4.608 0.000
z 0.000 0.000 4.074


<r2> (average value of r2) Å2
<r2> 44.090
(<r2>)1/2 6.640