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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B97D3/daug-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 B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-116.586975
Energy at 298.15K-116.590128
HF Energy-116.586975
Nuclear repulsion energy63.814130
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/daug-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 3235 3235 0.35 161.72 0.13 0.23
2 A1 2981 2981 86.14 168.84 0.12 0.21
3 A1 1696 1696 15.99 62.79 0.06 0.12
4 A1 1495 1495 2.80 13.90 0.17 0.30
5 A1 1133 1133 0.80 15.64 0.11 0.20
6 A1 902 902 3.87 4.72 0.62 0.77
7 A2 999 999 0.00 2.02 0.75 0.86
8 A2 831 831 0.00 0.94 0.75 0.86
9 B1 3039 3039 53.80 125.09 0.75 0.86
10 B1 1094 1094 1.53 0.08 0.75 0.86
11 B1 577 577 78.20 0.08 0.75 0.86
12 B2 3191 3191 0.62 92.11 0.75 0.86
13 B2 1045 1045 25.00 0.20 0.75 0.86
14 B2 1006 1006 30.07 0.01 0.75 0.86
15 B2 787 787 15.45 12.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12004.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12004.8 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 B97D3/daug-cc-pVTZ
ABC
1.00460 0.73254 0.46290

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-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 0.647 -0.500
C3 0.000 -0.647 -0.500
H4 0.000 1.581 -1.041
H5 0.000 -1.581 -1.041
H6 0.915 0.000 1.459
H7 -0.915 0.000 1.459

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50601.50602.47252.47251.09341.0934
C21.50601.29451.07922.29302.25642.2564
C31.50601.29452.29301.07922.25642.2564
H42.47251.07922.29303.16193.09593.0959
H52.47252.29301.07923.16193.09593.0959
H61.09342.25642.25643.09593.09591.8300
H71.09342.25642.25643.09593.09591.8300

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.545 C1 C2 H4 145.553
C1 C3 C2 64.545 C1 C3 H5 145.553
C2 C1 C3 50.910 C2 C1 H6 119.625
C2 C1 H7 119.625 C2 C3 H5 149.902
C3 C1 H6 119.625 C3 C1 H7 119.625
C3 C2 H4 149.902 H6 C1 H7 113.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.640      
2 C -0.262      
3 C -0.262      
4 H 0.445      
5 H 0.445      
6 H 0.136      
7 H 0.136      


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 -0.468 0.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.503 0.000 0.000
y 0.000 -16.968 0.000
z 0.000 0.000 -18.773
Traceless
 xyz
x -1.633 0.000 0.000
y 0.000 2.170 0.000
z 0.000 0.000 -0.537
Polar
3z2-r2-1.075
x2-y2-2.535
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.302 0.000 0.000
y 0.000 5.705 0.000
z 0.000 0.000 5.897


<r2> (average value of r2) Å2
<r2> 37.059
(<r2>)1/2 6.088