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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-116.619887
Energy at 298.15K-116.623127
HF Energy-116.619887
Nuclear repulsion energy64.094479
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/aug-cc-pVTZ
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 3321 3177 0.34 136.48 0.12 0.22
2 A1 3066 2933 67.82 147.11 0.12 0.21
3 A1 1752 1676 17.66 64.85 0.06 0.12
4 A1 1529 1463 1.20 10.70 0.20 0.33
5 A1 1156 1106 0.10 16.94 0.10 0.19
6 A1 925 884 4.66 4.73 0.56 0.72
7 A2 1025 981 0.00 2.49 0.75 0.86
8 A2 889 850 0.00 1.08 0.75 0.86
9 B1 3133 2997 39.64 101.69 0.75 0.86
10 B1 1116 1067 1.86 0.13 0.75 0.86
11 B1 611 584 87.93 0.03 0.75 0.86
12 B2 3274 3132 0.82 73.50 0.75 0.86
13 B2 1083 1036 23.19 0.39 0.75 0.86
14 B2 1052 1007 34.70 0.06 0.75 0.86
15 B2 808 773 18.98 12.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12370.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 11833.3 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/aug-cc-pVTZ
ABC
1.02005 0.73416 0.46648

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.642 -0.499
C3 0.000 -0.642 -0.499
H4 0.000 1.569 -1.040
H5 0.000 -1.569 -1.040
H6 0.912 0.000 1.454
H7 -0.912 0.000 1.454

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50351.50352.46462.46461.08751.0875
C21.50351.28371.07362.27632.24862.2486
C31.50351.28372.27631.07362.24862.2486
H42.46461.07362.27633.13863.08403.0840
H52.46462.27631.07363.13863.08403.0840
H61.08752.24862.24863.08403.08401.8232
H71.08752.24862.24863.08403.08401.8232

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.729 C1 C2 H4 145.515
C1 C3 C2 64.729 C1 C3 H5 145.515
C2 C1 C3 50.541 C2 C1 H6 119.547
C2 C1 H7 119.547 C2 C3 H5 149.756
C3 C1 H6 119.547 C3 C1 H7 119.547
C3 C2 H4 149.756 H6 C1 H7 113.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.545      
2 C -0.369      
3 C -0.369      
4 H 0.327      
5 H 0.327      
6 H 0.314      
7 H 0.314      


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 -0.496 0.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.400 0.000 0.000
y 0.000 -16.709 0.000
z 0.000 0.000 -18.493
Traceless
 xyz
x -1.799 0.000 0.000
y 0.000 2.238 0.000
z 0.000 0.000 -0.439
Polar
3z2-r2-0.877
x2-y2-2.691
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.145 0.000 0.000
y 0.000 5.478 0.000
z 0.000 0.000 5.611


<r2> (average value of r2) Å2
<r2> 36.720
(<r2>)1/2 6.060