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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B1B95/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B1B95/CEP-121G
 hartrees
Energy at 0K-20.463256
Energy at 298.15K-20.469657
HF Energy-20.463256
Nuclear repulsion energy42.752318
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 B1B95/CEP-121G
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' 3158 3158 0.00      
2 A1' 1528 1528 0.00      
3 A1' 1232 1232 0.00      
4 A1" 1152 1152 0.00      
5 A2' 1128 1128 0.00      
6 A2" 3262 3262 51.83      
7 A2" 854 854 1.37      
8 E' 3140 3140 26.89      
8 E' 3140 3140 26.89      
9 E' 1483 1483 4.76      
9 E' 1483 1483 4.75      
10 E' 1081 1081 18.00      
10 E' 1081 1081 18.02      
11 E' 902 902 28.58      
11 E' 902 902 28.60      
12 E" 3239 3239 0.00      
12 E" 3239 3239 0.00      
13 E" 1211 1211 0.00      
13 E" 1211 1211 0.00      
14 E" 759 759 0.00      
14 E" 759 759 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17972.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17972.7 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 B1B95/CEP-121G
ABC
0.65964 0.65964 0.41028

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-121G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.882 0.000
C2 0.764 -0.441 0.000
C3 -0.764 -0.441 0.000
H4 0.000 1.471 0.910
H5 1.274 -0.736 0.910
H6 -1.274 -0.736 0.910
H7 0.000 1.471 -0.910
H8 1.274 -0.736 -0.910
H9 -1.274 -0.736 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52741.52741.08462.25152.25151.08462.25152.2515
C21.52741.52742.25151.08462.25152.25151.08462.2515
C31.52741.52742.25152.25151.08462.25152.25151.0846
H41.08462.25152.25152.54862.54861.82083.13223.1322
H52.25151.08462.25152.54862.54863.13221.82083.1322
H62.25152.25151.08462.54862.54863.13223.13221.8208
H71.08462.25152.25151.82083.13223.13222.54862.5486
H82.25151.08462.25153.13221.82083.13222.54862.5486
H92.25152.25151.08463.13223.13221.82082.54862.5486

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 118.083
C1 C2 H8 118.083 C1 C3 C2 60.000
C1 C3 H6 118.083 C1 C3 H9 118.083
C2 C1 C3 60.000 C2 C1 H4 118.083
C2 C1 H7 118.083 C2 C3 H6 118.083
C2 C3 H9 118.083 C3 C1 H4 118.083
C3 C1 H7 118.083 C3 C2 H5 118.083
C3 C2 H8 118.083 H4 C1 H7 114.145
H5 C2 H8 114.145 H6 C3 H9 114.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.338      
2 C -0.338      
3 C -0.338      
4 H 0.169      
5 H 0.169      
6 H 0.169      
7 H 0.169      
8 H 0.169      
9 H 0.169      


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 -20.589 0.000 0.000
y 0.000 -20.589 0.000
z 0.000 0.000 -18.250
Traceless
 xyz
x -1.170 0.000 0.000
y 0.000 -1.170 0.000
z 0.000 0.000 2.339
Polar
3z2-r24.679
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 4.864 0.000 0.000
y 0.000 4.863 0.000
z 0.000 0.000 4.582


<r2> (average value of r2) Å2
<r2> 39.668
(<r2>)1/2 6.298