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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-116.606490
Energy at 298.15K-116.609728
HF Energy-116.606490
Nuclear repulsion energy63.922033
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/6-311G**
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 3323 3178 0.15 127.57 0.14 0.25
2 A1 3058 2925 69.22 138.33 0.16 0.27
3 A1 1753 1676 14.46 43.54 0.17 0.30
4 A1 1525 1458 1.70 12.89 0.26 0.42
5 A1 1162 1112 0.29 11.31 0.19 0.32
6 A1 924 884 5.41 5.77 0.59 0.74
7 A2 1022 978 0.00 9.58 0.75 0.86
8 A2 889 851 0.00 0.18 0.75 0.86
9 B1 3128 2992 51.66 97.16 0.75 0.86
10 B1 1113 1064 2.06 2.02 0.75 0.86
11 B1 616 589 87.98 0.69 0.75 0.86
12 B2 3274 3132 0.42 69.91 0.75 0.86
13 B2 1078 1031 32.22 0.12 0.75 0.86
14 B2 1046 1000 31.87 0.01 0.75 0.86
15 B2 809 774 19.31 17.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12358.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11821.3 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/6-311G**
ABC
1.01428 0.73035 0.46396

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.863
C2 0.000 0.644 -0.501
C3 0.000 -0.644 -0.501
H4 0.000 1.574 -1.041
H5 0.000 -1.574 -1.041
H6 0.914 0.000 1.458
H7 -0.914 0.000 1.458

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50761.50762.47012.47011.09061.0906
C21.50761.28741.07572.28242.25502.2550
C31.50761.28742.28241.07572.25502.2550
H42.47011.07572.28243.14753.09153.0915
H52.47012.28241.07573.14753.09153.0915
H61.09062.25502.25503.09153.09151.8279
H71.09062.25502.25503.09153.09151.8279

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.725 C1 C2 H4 145.442
C1 C3 C2 64.725 C1 C3 H5 145.442
C2 C1 C3 50.549 C2 C1 H6 119.566
C2 C1 H7 119.566 C2 C3 H5 149.832
C3 C1 H6 119.566 C3 C1 H7 119.566
C3 C2 H4 149.832 H6 C1 H7 113.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.217      
2 C -0.124      
3 C -0.124      
4 H 0.115      
5 H 0.115      
6 H 0.118      
7 H 0.118      


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 -0.506 0.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.314 0.000 0.000
y 0.000 -16.668 0.000
z 0.000 0.000 -18.336
Traceless
 xyz
x -1.812 0.000 0.000
y 0.000 2.157 0.000
z 0.000 0.000 -0.345
Polar
3z2-r2-0.690
x2-y2-2.646
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.125 0.000 0.000
y 0.000 4.946 0.000
z 0.000 0.000 5.088


<r2> (average value of r2) Å2
<r2> 36.796
(<r2>)1/2 6.066