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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-117.824840
Energy at 298.15K-117.831255
Nuclear repulsion energy75.444392
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' 3180 3046 0.00      
2 A1' 1550 1485 0.00      
3 A1' 1241 1188 0.00      
4 A1" 1167 1117 0.00      
5 A2' 1149 1101 0.00      
6 A2" 3275 3136 39.36      
7 A2" 881 844 1.40      
8 E' 3168 3034 23.70      
8 E' 3168 3034 23.70      
9 E' 1517 1453 3.16      
9 E' 1517 1453 3.16      
10 E' 1102 1056 19.42      
10 E' 1102 1056 19.41      
11 E' 904 866 21.92      
11 E' 904 866 21.92      
12 E" 3251 3113 0.00      
12 E" 3251 3113 0.00      
13 E" 1238 1186 0.00      
13 E" 1238 1186 0.00      
14 E" 774 741 0.00      
14 E" 774 741 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18176.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17407.2 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
0.66760 0.66760 0.41603

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 0.874 0.000
C2 0.757 -0.437 0.000
C3 -0.757 -0.437 0.000
H4 0.000 1.467 0.909
H5 1.271 -0.734 0.909
H6 -1.271 -0.734 0.909
H7 0.000 1.467 -0.909
H8 1.271 -0.734 -0.909
H9 -1.271 -0.734 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51381.51381.08522.24172.24171.08522.24172.2417
C21.51381.51382.24171.08522.24172.24171.08522.2417
C31.51381.51382.24172.24171.08522.24172.24171.0852
H41.08522.24172.24172.54172.54171.81703.12443.1244
H52.24171.08522.24172.54172.54173.12441.81703.1244
H62.24172.24171.08522.54172.54173.12443.12441.8170
H71.08522.24172.24171.81703.12443.12442.54172.5417
H82.24171.08522.24173.12441.81703.12442.54172.5417
H92.24172.24171.08523.12443.12441.81702.54172.5417

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 118.269
C1 C2 H8 118.269 C1 C3 C2 60.000
C1 C3 H6 118.269 C1 C3 H9 118.269
C2 C1 C3 60.000 C2 C1 H4 118.269
C2 C1 H7 118.269 C2 C3 H6 118.269
C2 C3 H9 118.269 C3 C1 H4 118.269
C3 C1 H7 118.269 C3 C2 H5 118.269
C3 C2 H8 118.269 H4 C1 H7 113.693
H5 C2 H8 113.693 H6 C3 H9 113.693
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 C -0.340      
3 C -0.340      
4 H 0.170      
5 H 0.170      
6 H 0.170      
7 H 0.170      
8 H 0.170      
9 H 0.170      


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 -20.285 0.000 0.000
y 0.000 -20.285 0.000
z 0.000 0.000 -18.135
Traceless
 xyz
x -1.075 0.000 0.000
y 0.000 -1.075 0.000
z 0.000 0.000 2.150
Polar
3z2-r24.300
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> 43.844
(<r2>)1/2 6.621