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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B97D3/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at B97D3/cc-pVQZ
 hartrees
Energy at 0K-116.594127
Energy at 298.15K-116.597293
HF Energy-116.594127
Nuclear repulsion energy63.838259
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 B97D3/cc-pVQZ
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 3235 3235 0.43 164.05 0.14 0.24
2 A1 2977 2977 86.69 162.37 0.13 0.24
3 A1 1697 1697 15.50 50.31 0.11 0.19
4 A1 1497 1497 3.03 15.08 0.21 0.34
5 A1 1134 1134 0.92 14.21 0.12 0.21
6 A1 903 903 3.92 4.91 0.62 0.76
7 A2 999 999 0.00 4.62 0.75 0.86
8 A2 834 834 0.00 0.15 0.75 0.86
9 B1 3036 3036 54.70 115.40 0.75 0.86
10 B1 1097 1097 1.60 0.55 0.75 0.86
11 B1 577 577 72.83 0.50 0.75 0.86
12 B2 3191 3191 0.84 89.57 0.75 0.86
13 B2 1048 1048 26.26 0.02 0.75 0.86
14 B2 1008 1008 30.09 0.00 0.75 0.86
15 B2 789 789 15.19 14.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12010.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12010.9 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 B97D3/cc-pVQZ
ABC
1.00568 0.73290 0.46321

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.647 -0.500
C3 0.000 -0.647 -0.500
H4 0.000 1.580 -1.041
H5 0.000 -1.580 -1.041
H6 0.914 0.000 1.459
H7 -0.914 0.000 1.459

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50551.50552.47152.47151.09311.0931
C21.50551.29391.07872.29182.25602.2560
C31.50551.29392.29181.07872.25602.2560
H42.47151.07872.29183.16023.09513.0951
H52.47152.29181.07873.16023.09513.0951
H61.09312.25602.25603.09513.09511.8289
H71.09312.25602.25603.09513.09511.8289

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.550 C1 C2 H4 145.554
C1 C3 C2 64.550 C1 C3 H5 145.554
C2 C1 C3 50.899 C2 C1 H6 119.650
C2 C1 H7 119.650 C2 C3 H5 149.896
C3 C1 H6 119.650 C3 C1 H7 119.650
C3 C2 H4 149.896 H6 C1 H7 113.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 C -0.199      
3 C -0.199      
4 H 0.169      
5 H 0.169      
6 H 0.088      
7 H 0.088      


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 -0.477 0.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.418 0.000 0.000
y 0.000 -16.926 0.000
z 0.000 0.000 -18.682
Traceless
 xyz
x -1.614 0.000 0.000
y 0.000 2.124 0.000
z 0.000 0.000 -0.510
Polar
3z2-r2-1.020
x2-y2-2.492
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.942 0.000 0.000
y 0.000 5.483 0.000
z 0.000 0.000 5.667


<r2> (average value of r2) Å2
<r2> 36.996
(<r2>)1/2 6.082