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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B97D3/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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-116.556081
Energy at 298.15K-116.559193
HF Energy-116.556081
Nuclear repulsion energy63.349822
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/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 3239 3239 0.70 167.02 0.13 0.24
2 A1 2979 2979 89.58 165.13 0.13 0.23
3 A1 1694 1694 16.35 65.09 0.07 0.13
4 A1 1482 1482 2.92 12.40 0.18 0.31
5 A1 1135 1135 0.86 17.11 0.11 0.20
6 A1 896 896 3.85 4.59 0.59 0.74
7 A2 985 985 0.00 2.14 0.75 0.86
8 A2 778 778 0.00 0.95 0.75 0.86
9 B1 3046 3046 57.84 127.89 0.75 0.86
10 B1 1082 1082 1.27 0.08 0.75 0.86
11 B1 540 540 80.45 0.07 0.75 0.86
12 B2 3193 3193 1.11 95.11 0.75 0.86
13 B2 1031 1031 29.33 0.15 0.75 0.86
14 B2 993 993 23.99 0.04 0.75 0.86
15 B2 780 780 16.02 13.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11926.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11926.5 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/aug-cc-pVDZ
ABC
0.98729 0.72400 0.45642

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/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 0.653 -0.502
C3 0.000 -0.653 -0.502
H4 0.000 1.594 -1.049
H5 0.000 -1.594 -1.049
H6 0.922 0.000 1.468
H7 -0.922 0.000 1.468

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51501.51502.49032.49031.10171.1017
C21.51501.30661.08782.31262.27142.2714
C31.51501.30662.31261.08782.27142.2714
H42.49031.08782.31263.18753.11863.1186
H52.49032.31261.08783.18753.11863.1186
H61.10172.27142.27143.11863.11861.8433
H71.10172.27142.27143.11863.11861.8433

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.456 C1 C2 H4 145.708
C1 C3 C2 64.456 C1 C3 H5 145.708
C2 C1 C3 51.088 C2 C1 H6 119.627
C2 C1 H7 119.627 C2 C3 H5 149.836
C3 C1 H6 119.627 C3 C1 H7 119.627
C3 C2 H4 149.836 H6 C1 H7 113.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.828      
2 C 0.489      
3 C 0.489      
4 H -0.445      
5 H -0.445      
6 H -0.457      
7 H -0.457      


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 -0.463 0.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.582 0.000 0.000
y 0.000 -17.008 0.000
z 0.000 0.000 -18.876
Traceless
 xyz
x -1.640 0.000 0.000
y 0.000 2.221 0.000
z 0.000 0.000 -0.581
Polar
3z2-r2-1.161
x2-y2-2.574
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.315 0.000 0.000
y 0.000 5.778 0.000
z 0.000 0.000 5.956


<r2> (average value of r2) Å2
<r2> 37.473
(<r2>)1/2 6.122