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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B3LYP/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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-116.666805
Energy at 298.15K-116.670008
HF Energy-116.666805
Nuclear repulsion energy63.996113
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 B3LYP/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 3290 3290 0.05 146.99 0.13 0.23
2 A1 3038 3038 72.78 157.57 0.12 0.21
3 A1 1731 1731 17.45 62.85 0.06 0.12
4 A1 1524 1524 1.82 12.68 0.17 0.30
5 A1 1147 1147 0.22 15.92 0.11 0.20
6 A1 924 924 3.92 4.88 0.60 0.75
7 A2 1017 1017 0.00 2.19 0.75 0.86
8 A2 872 872 0.00 1.16 0.75 0.86
9 B1 3098 3098 42.72 112.56 0.75 0.86
10 B1 1112 1112 1.65 0.11 0.75 0.86
11 B1 603 603 83.22 0.04 0.75 0.86
12 B2 3244 3244 0.15 81.99 0.75 0.86
13 B2 1072 1072 18.36 0.25 0.75 0.86
14 B2 1038 1038 41.02 0.01 0.75 0.86
15 B2 782 782 14.72 13.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12245.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12245.5 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 B3LYP/daug-cc-pVTZ
ABC
1.01663 0.73209 0.46486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.862
C2 0.000 0.643 -0.500
C3 0.000 -0.643 -0.500
H4 0.000 1.571 -1.041
H5 0.000 -1.571 -1.041
H6 0.911 0.000 1.456
H7 -0.911 0.000 1.456

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50601.50602.46772.46771.08791.0879
C21.50601.28661.07432.27992.25202.2520
C31.50601.28662.27991.07432.25202.2520
H42.46771.07432.27993.14293.08813.0881
H52.46772.27991.07433.14293.08813.0881
H61.08792.25202.25203.08813.08811.8217
H71.08792.25202.25203.08813.08811.8217

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.713 C1 C2 H4 145.520
C1 C3 C2 64.713 C1 C3 H5 145.520
C2 C1 C3 50.573 C2 C1 H6 119.629
C2 C1 H7 119.629 C2 C3 H5 149.767
C3 C1 H6 119.629 C3 C1 H7 119.629
C3 C2 H4 149.767 H6 C1 H7 113.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.878      
2 C -0.486      
3 C -0.486      
4 H 0.728      
5 H 0.728      
6 H 0.197      
7 H 0.197      


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 -0.475 0.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.608 0.000 0.000
y 0.000 -17.037 0.000
z 0.000 0.000 -18.812
Traceless
 xyz
x -1.683 0.000 0.000
y 0.000 2.172 0.000
z 0.000 0.000 -0.489
Polar
3z2-r2-0.978
x2-y2-2.570
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.212 0.000 0.000
y 0.000 5.586 0.000
z 0.000 0.000 5.757


<r2> (average value of r2) Å2
<r2> 36.976
(<r2>)1/2 6.081