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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-117.904157
Energy at 298.15K 
HF Energy-117.904157
Nuclear repulsion energy75.616941
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 B3LYP/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' 3147 3024 0.00 243.04 0.04 0.07
2 A1' 1536 1475 0.00 6.08 0.71 0.83
3 A1' 1223 1175 0.00 28.53 0.09 0.17
4 A1" 1157 1112 0.00 0.00 0.75 0.86
5 A2' 1088 1045 0.00 0.00 0.75 0.86
6 A2" 3236 3110 38.09 0.00 0.75 0.86
7 A2" 863 829 0.52 0.00 0.75 0.86
8 E' 3140 3017 27.60 20.10 0.75 0.86
8 E' 3140 3017 27.60 20.10 0.75 0.86
9 E' 1487 1428 0.33 9.52 0.75 0.86
9 E' 1487 1428 0.33 9.52 0.75 0.86
10 E' 1065 1023 8.23 0.03 0.75 0.86
10 E' 1065 1023 8.23 0.03 0.75 0.86
11 E' 892 857 16.35 14.52 0.75 0.86
11 E' 892 857 16.35 14.52 0.75 0.86
12 E" 3217 3090 0.00 94.92 0.75 0.86
12 E" 3217 3090 0.00 94.92 0.75 0.86
13 E" 1218 1170 0.00 11.27 0.75 0.86
13 E" 1218 1170 0.00 11.27 0.75 0.86
14 E" 740 711 0.00 2.66 0.75 0.86
14 E" 740 711 0.00 2.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17882.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 17181.4 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 B3LYP/6-31G**
ABC
0.67080 0.67080 0.41899

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.871 0.000
C2 0.754 -0.435 0.000
C3 -0.754 -0.435 0.000
H4 0.000 1.462 0.911
H5 1.266 -0.731 0.911
H6 -1.266 -0.731 0.911
H7 0.000 1.462 -0.911
H8 1.266 -0.731 -0.911
H9 -1.266 -0.731 -0.911

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50841.50841.08582.23602.23601.08582.23602.2360
C21.50841.50842.23601.08582.23602.23601.08582.2360
C31.50841.50842.23602.23601.08582.23602.23601.0858
H41.08582.23602.23602.53282.53281.82123.11963.1196
H52.23601.08582.23602.53282.53283.11961.82123.1196
H62.23602.23601.08582.53282.53283.11963.11961.8212
H71.08582.23602.23601.82123.11963.11962.53282.5328
H82.23601.08582.23603.11961.82123.11962.53282.5328
H92.23602.23601.08583.11963.11961.82122.53282.5328

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 118.148
C1 C2 H8 118.148 C1 C3 C2 60.000
C1 C3 H6 118.148 C1 C3 H9 118.148
C2 C1 C3 60.000 C2 C1 H4 118.148
C2 C1 H7 118.148 C2 C3 H6 118.148
C2 C3 H9 118.148 C3 C1 H4 118.148
C3 C1 H7 118.148 C3 C2 H5 118.148
C3 C2 H8 118.148 H4 C1 H7 113.988
H5 C2 H8 113.989 H6 C3 H9 113.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 C -0.219      
3 C -0.219      
4 H 0.109      
5 H 0.109      
6 H 0.109      
7 H 0.109      
8 H 0.109      
9 H 0.109      


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 -20.291 0.000 0.000
y 0.000 -20.291 0.000
z 0.000 0.000 -18.233
Traceless
 xyz
x -1.029 0.000 0.000
y 0.000 -1.029 0.000
z 0.000 0.000 2.057
Polar
3z2-r24.115
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 4.487 0.000 0.000
y 0.000 4.487 0.000
z 0.000 0.000 4.367


<r2> (average value of r2) Å2
<r2> 43.702
(<r2>)1/2 6.611