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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-116.587337
Energy at 298.15K-116.590594
HF Energy-116.587337
Nuclear repulsion energy63.958425
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 wB97X-D/6-31G(2df,p)
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 3347 3347 0.06 125.16 0.13 0.23
2 A1 3065 3065 65.20 120.08 0.15 0.26
3 A1 1763 1763 12.90 36.78 0.17 0.29
4 A1 1532 1532 2.95 14.13 0.32 0.48
5 A1 1167 1167 0.66 10.04 0.15 0.26
6 A1 940 940 3.65 8.69 0.63 0.77
7 A2 1025 1025 0.00 12.80 0.75 0.86
8 A2 898 898 0.00 0.01 0.75 0.86
9 B1 3135 3135 47.46 82.38 0.75 0.86
10 B1 1119 1119 2.52 2.16 0.75 0.86
11 B1 636 636 65.97 1.03 0.75 0.86
12 B2 3297 3297 0.18 66.96 0.75 0.86
13 B2 1086 1086 34.16 0.08 0.75 0.86
14 B2 1054 1054 24.85 0.05 0.75 0.86
15 B2 820 820 14.08 17.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12442.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12442.3 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 wB97X-D/6-31G(2df,p)
ABC
1.01365 0.73258 0.46463

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.644 -0.500
C3 0.000 -0.644 -0.500
H4 0.000 1.575 -1.038
H5 0.000 -1.575 -1.038
H6 0.913 0.000 1.459
H7 -0.913 0.000 1.459

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50521.50522.46652.46651.09171.0917
C21.50521.28781.07512.28302.25522.2552
C31.50521.28782.28301.07512.25522.2552
H42.46651.07512.28303.14973.09003.0900
H52.46652.28301.07513.14973.09003.0900
H61.09172.25522.25523.09003.09001.8260
H71.09172.25522.25523.09003.09001.8260

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.673 C1 C2 H4 145.340
C1 C3 C2 64.673 C1 C3 H5 145.340
C2 C1 C3 50.655 C2 C1 H6 119.707
C2 C1 H7 119.707 C2 C3 H5 149.988
C3 C1 H6 119.707 C3 C1 H7 119.707
C3 C2 H4 149.988 H6 C1 H7 113.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.332      
2 C -0.122      
3 C -0.122      
4 H 0.171      
5 H 0.171      
6 H 0.117      
7 H 0.117      


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 -0.552 0.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.872 0.000 0.000
y 0.000 -16.405 0.000
z 0.000 0.000 -18.013
Traceless
 xyz
x -1.663 0.000 0.000
y 0.000 2.038 0.000
z 0.000 0.000 -0.375
Polar
3z2-r2-0.749
x2-y2-2.467
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.022 0.000 0.000
y 0.000 4.730 0.000
z 0.000 0.000 4.838


<r2> (average value of r2) Å2
<r2> 36.552
(<r2>)1/2 6.046