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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: wB97X-D/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 wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-116.622401
Energy at 298.15K-116.625633
HF Energy-116.622401
Nuclear repulsion energy64.081359
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/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 3325 3176 0.46 131.46 0.13 0.22
2 A1 3069 2931 65.61 143.73 0.14 0.25
3 A1 1754 1676 16.74 53.79 0.11 0.19
4 A1 1529 1461 1.29 12.28 0.24 0.39
5 A1 1159 1107 0.12 15.06 0.13 0.23
6 A1 922 881 4.95 4.79 0.55 0.71
7 A2 1024 978 0.00 6.33 0.75 0.86
8 A2 889 849 0.00 0.15 0.75 0.86
9 B1 3138 2998 38.64 94.78 0.75 0.86
10 B1 1117 1067 2.01 0.75 0.75 0.86
11 B1 611 584 88.99 0.30 0.75 0.86
12 B2 3279 3132 1.06 69.60 0.75 0.86
13 B2 1084 1036 27.14 0.15 0.75 0.86
14 B2 1050 1003 31.31 0.01 0.75 0.86
15 B2 809 773 19.79 15.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12380.4 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 11825.8 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 wB97X-D/Def2TZVPP
ABC
1.01945 0.73406 0.46632

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

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 1.570 -1.041
H5 0.000 -1.570 -1.041
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
C11.50351.50352.46542.46541.08801.0880
C21.50351.28411.07422.27722.24912.2491
C31.50351.28412.27721.07422.24912.2491
H42.46541.07422.27723.13963.08523.0852
H52.46542.27721.07423.13963.08523.0852
H61.08802.24912.24913.08523.08521.8234
H71.08802.24912.24913.08523.08521.8234

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.720 C1 C2 H4 145.549
C1 C3 C2 64.720 C1 C3 H5 145.549
C2 C1 C3 50.560 C2 C1 H6 119.565
C2 C1 H7 119.565 C2 C3 H5 149.731
C3 C1 H6 119.565 C3 C1 H7 119.565
C3 C2 H4 149.731 H6 C1 H7 113.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 C -0.152      
3 C -0.152      
4 H 0.175      
5 H 0.175      
6 H 0.073      
7 H 0.073      


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 -0.497 0.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.371 0.000 0.000
y 0.000 -16.711 0.000
z 0.000 0.000 -18.462
Traceless
 xyz
x -1.784 0.000 0.000
y 0.000 2.205 0.000
z 0.000 0.000 -0.421
Polar
3z2-r2-0.842
x2-y2-2.659
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.748 0.000 0.000
y 0.000 5.277 0.000
z 0.000 0.000 5.452


<r2> (average value of r2) Å2
<r2> 36.719
(<r2>)1/2 6.060