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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-116.512732
Energy at 298.15K-116.515972
HF Energy-116.512732
Nuclear repulsion energy63.998435
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 HSEh1PBE/6-311G**
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 3320 3189 0.06 138.21 0.14 0.25
2 A1 3053 2932 73.78 145.06 0.16 0.27
3 A1 1752 1683 12.65 42.49 0.17 0.29
4 A1 1520 1460 2.15 13.82 0.26 0.41
5 A1 1185 1138 0.66 10.62 0.19 0.32
6 A1 928 891 5.92 5.18 0.62 0.76
7 A2 1023 982 0.00 9.17 0.75 0.86
8 A2 878 843 0.00 0.11 0.75 0.86
9 B1 3119 2995 54.21 102.92 0.75 0.86
10 B1 1113 1069 1.68 1.99 0.75 0.86
11 B1 617 592 83.65 0.77 0.75 0.86
12 B2 3271 3142 0.19 74.66 0.75 0.86
13 B2 1078 1035 35.14 0.18 0.75 0.86
14 B2 1038 997 28.04 0.01 0.75 0.86
15 B2 818 786 19.67 16.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12356.1 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 11866.8 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 HSEh1PBE/6-311G**
ABC
1.01095 0.73648 0.46567

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.858
C2 0.000 0.645 -0.498
C3 0.000 -0.645 -0.498
H4 0.000 1.577 -1.037
H5 0.000 -1.577 -1.037
H6 0.913 0.000 1.455
H7 -0.913 0.000 1.455

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50151.50152.46542.46541.09171.0917
C21.50151.28971.07692.28642.25112.2511
C31.50151.28972.28641.07692.25112.2511
H42.46541.07692.28643.15433.08803.0880
H52.46542.28641.07693.15433.08803.0880
H61.09172.25112.25113.08803.08801.8269
H71.09172.25112.25113.08803.08801.8269

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.566 C1 C2 H4 145.466
C1 C3 C2 64.566 C1 C3 H5 145.466
C2 C1 C3 50.868 C2 C1 H6 119.641
C2 C1 H7 119.641 C2 C3 H5 149.968
C3 C1 H6 119.641 C3 C1 H7 119.641
C3 C2 H4 149.968 H6 C1 H7 113.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.226      
2 C -0.121      
3 C -0.121      
4 H 0.110      
5 H 0.110      
6 H 0.124      
7 H 0.124      


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 -0.500 0.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.337 0.000 0.000
y 0.000 -16.681 0.000
z 0.000 0.000 -18.407
Traceless
 xyz
x -1.793 0.000 0.000
y 0.000 2.191 0.000
z 0.000 0.000 -0.398
Polar
3z2-r2-0.796
x2-y2-2.656
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.134 0.000 0.000
y 0.000 4.938 0.000
z 0.000 0.000 5.077


<r2> (average value of r2) Å2
<r2> 36.746
(<r2>)1/2 6.062