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All results from a given calculation for C3H4 (cyclopropene)

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

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-pVDZ
 hartrees
Energy at 0K-116.587934
Energy at 298.15K-116.591129
HF Energy-116.587934
Nuclear repulsion energy63.600063
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-pVDZ
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 3329 3187 0.18 136.46 0.13 0.22
2 A1 3066 2935 69.94 143.04 0.12 0.22
3 A1 1748 1674 17.63 66.00 0.07 0.13
4 A1 1513 1449 1.16 9.23 0.19 0.32
5 A1 1158 1109 0.08 17.82 0.11 0.21
6 A1 917 878 4.87 4.50 0.55 0.71
7 A2 1010 967 0.00 2.48 0.75 0.86
8 A2 840 804 0.00 1.27 0.75 0.86
9 B1 3141 3007 40.93 102.02 0.75 0.86
10 B1 1103 1056 1.49 0.14 0.75 0.86
11 B1 578 554 91.69 0.02 0.75 0.86
12 B2 3281 3141 0.57 73.90 0.75 0.86
13 B2 1066 1021 31.38 0.46 0.75 0.86
14 B2 1037 993 25.26 0.11 0.75 0.86
15 B2 802 768 20.17 13.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12295.6 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 11770.6 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-pVDZ
ABC
1.00154 0.72497 0.45958

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.865
C2 0.000 0.648 -0.502
C3 0.000 -0.648 -0.502
H4 0.000 1.583 -1.048
H5 0.000 -1.583 -1.048
H6 0.919 0.000 1.464
H7 -0.919 0.000 1.464

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51321.51322.48342.48341.09641.0964
C21.51321.29621.08262.29672.26442.2644
C31.51321.29622.29671.08262.26442.2644
H42.48341.08262.29673.16553.10783.1078
H52.48342.29671.08263.16553.10783.1078
H61.09642.26442.26443.10783.10781.8378
H71.09642.26442.26443.10783.10781.8378

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.642 C1 C2 H4 145.664
C1 C3 C2 64.642 C1 C3 H5 145.664
C2 C1 C3 50.717 C2 C1 H6 119.533
C2 C1 H7 119.533 C2 C3 H5 149.694
C3 C1 H6 119.533 C3 C1 H7 119.533
C3 C2 H4 149.694 H6 C1 H7 113.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.691      
2 C 0.392      
3 C 0.392      
4 H -0.351      
5 H -0.351      
6 H -0.386      
7 H -0.386      


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 -0.482 0.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.514 0.000 0.000
y 0.000 -16.759 0.000
z 0.000 0.000 -18.607
Traceless
 xyz
x -1.831 0.000 0.000
y 0.000 2.301 0.000
z 0.000 0.000 -0.470
Polar
3z2-r2-0.940
x2-y2-2.755
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.194 0.000 0.000
y 0.000 5.587 0.000
z 0.000 0.000 5.715


<r2> (average value of r2) Å2
<r2> 37.164
(<r2>)1/2 6.096