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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-116.609257
Energy at 298.15K-116.612380
HF Energy-116.609257
Nuclear repulsion energy63.505408
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 BLYP/Def2TZVPP
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 3211 3211 0.13 162.80 0.13 0.23
2 A1 2966 2966 75.95 156.48 0.14 0.25
3 A1 1676 1676 16.38 46.30 0.12 0.21
4 A1 1486 1486 2.48 15.05 0.22 0.36
5 A1 1105 1105 0.56 14.10 0.13 0.23
6 A1 892 892 3.63 5.59 0.55 0.71
7 A2 987 987 0.00 6.83 0.75 0.86
8 A2 828 828 0.00 0.02 0.75 0.86
9 B1 3026 3026 47.10 106.08 0.75 0.86
10 B1 1084 1084 1.51 1.03 0.75 0.86
11 B1 573 573 76.81 0.65 0.75 0.86
12 B2 3169 3169 0.25 89.72 0.75 0.86
13 B2 1033 1033 22.33 0.54 0.75 0.86
14 B2 993 993 38.11 0.25 0.75 0.86
15 B2 741 741 11.83 14.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11884.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11884.4 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 BLYP/Def2TZVPP
ABC
1.00147 0.72049 0.45758

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.869
C2 0.000 0.649 -0.504
C3 0.000 -0.649 -0.504
H4 0.000 1.582 -1.050
H5 0.000 -1.582 -1.050
H6 0.917 0.000 1.467
H7 -0.917 0.000 1.467

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51861.51862.48672.48671.09461.0946
C21.51861.29701.08112.29622.26862.2686
C31.51861.29702.29621.08112.26862.2686
H42.48671.08112.29623.16393.11073.1107
H52.48672.29621.08113.16393.11073.1107
H61.09462.26862.26863.11073.11071.8338
H71.09462.26862.26863.11073.11071.8338

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.719 C1 C2 H4 145.583
C1 C3 C2 64.719 C1 C3 H5 145.583
C2 C1 C3 50.561 C2 C1 H6 119.597
C2 C1 H7 119.597 C2 C3 H5 149.698
C3 C1 H6 119.597 C3 C1 H7 119.597
C3 C2 H4 149.698 H6 C1 H7 113.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 C -0.155      
3 C -0.155      
4 H 0.172      
5 H 0.172      
6 H 0.079      
7 H 0.079      


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 -0.472 0.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.691 0.000 0.000
y 0.000 -17.256 0.000
z 0.000 0.000 -18.926
Traceless
 xyz
x -1.600 0.000 0.000
y 0.000 2.052 0.000
z 0.000 0.000 -0.452
Polar
3z2-r2-0.904
x2-y2-2.435
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.860 0.000 0.000
y 0.000 5.507 0.000
z 0.000 0.000 5.758


<r2> (average value of r2) Å2
<r2> 37.454
(<r2>)1/2 6.120