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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: HSEh1PBE/CEP-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 HSEh1PBE/CEP-31G
 hartrees
Energy at 0K-20.480096
Energy at 298.15K-20.486450
HF Energy-20.480096
Nuclear repulsion energy42.456410
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 HSEh1PBE/CEP-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' 3196 3196 0.00      
2 A1' 1536 1536 0.00      
3 A1' 1236 1236 0.00      
4 A1" 1147 1147 0.00      
5 A2' 1116 1116 0.00      
6 A2" 3303 3303 83.43      
7 A2" 855 855 6.26      
8 E' 3178 3178 35.28      
8 E' 3178 3178 35.26      
9 E' 1475 1475 5.61      
9 E' 1475 1475 5.61      
10 E' 1072 1072 21.59      
10 E' 1072 1072 21.59      
11 E' 895 895 30.41      
11 E' 895 895 30.41      
12 E" 3275 3275 0.00      
12 E" 3275 3275 0.00      
13 E" 1203 1203 0.00      
13 E" 1203 1203 0.00      
14 E" 747 747 0.00      
14 E" 747 747 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18038.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18038.5 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 HSEh1PBE/CEP-31G
ABC
0.65039 0.65039 0.40467

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/CEP-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.888 0.000
C2 0.769 -0.444 0.000
C3 -0.769 -0.444 0.000
H4 0.000 1.480 0.917
H5 1.282 -0.740 0.917
H6 -1.282 -0.740 0.917
H7 0.000 1.480 -0.917
H8 1.282 -0.740 -0.917
H9 -1.282 -0.740 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53851.53851.09202.26662.26661.09202.26662.2666
C21.53851.53852.26661.09202.26662.26661.09202.2666
C31.53851.53852.26662.26661.09202.26662.26661.0920
H41.09202.26662.26662.56432.56431.83503.15323.1532
H52.26661.09202.26662.56432.56433.15321.83503.1532
H62.26662.26661.09202.56432.56433.15323.15321.8350
H71.09202.26662.26661.83503.15323.15322.56432.5643
H82.26661.09202.26663.15321.83503.15322.56432.5643
H92.26662.26661.09203.15323.15321.83502.56432.5643

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 118.012
C1 C2 H8 118.012 C1 C3 C2 60.000
C1 C3 H6 118.012 C1 C3 H9 118.012
C2 C1 C3 60.000 C2 C1 H4 118.012
C2 C1 H7 118.012 C2 C3 H6 118.012
C2 C3 H9 118.012 C3 C1 H4 118.012
C3 C1 H7 118.012 C3 C2 H5 118.012
C3 C2 H8 118.012 H4 C1 H7 114.317
H5 C2 H8 114.317 H6 C3 H9 114.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.365      
2 C -0.365      
3 C -0.365      
4 H 0.182      
5 H 0.182      
6 H 0.182      
7 H 0.182      
8 H 0.182      
9 H 0.182      


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 -20.538 0.000 0.000
y 0.000 -20.538 0.000
z 0.000 0.000 -17.795
Traceless
 xyz
x -1.372 0.000 0.000
y 0.000 -1.372 0.000
z 0.000 0.000 2.744
Polar
3z2-r25.487
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 4.776 0.000 0.000
y 0.000 4.776 0.000
z 0.000 0.000 3.883


<r2> (average value of r2) Å2
<r2> 39.926
(<r2>)1/2 6.319