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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-116.540784
Energy at 298.15K-116.543425
HF Energy-116.540784
Nuclear repulsion energy59.026524
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 PBEPBE/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 3062 3025 0.00 364.08 0.07 0.13
2 A1 1429 1411 0.00 18.56 0.70 0.82
3 A1 1086 1073 0.00 57.87 0.23 0.38
4 B1 859 848 0.00 2.54 0.75 0.86
5 B2 3058 3021 1.54 48.33 0.75 0.86
6 B2 2000 1976 81.63 1.97 0.75 0.86
7 B2 1371 1355 6.18 0.00 0.75 0.86
8 E 3133 3096 0.66 106.18 0.75 0.86
8 E 3133 3096 0.66 106.18 0.75 0.86
9 E 976 964 0.55 0.04 0.75 0.86
9 E 976 964 0.55 0.04 0.75 0.86
10 E 821 811 55.90 0.60 0.75 0.86
10 E 821 811 55.90 0.60 0.75 0.86
11 E 361 356 6.95 0.87 0.75 0.86
11 E 361 356 6.95 0.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11724.1 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 11582.2 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 PBEPBE/Def2TZVPP
ABC
4.80591 0.29569 0.29569

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.000 1.308
C3 0.000 0.000 -1.308
H4 0.000 0.933 1.876
H5 0.000 -0.933 1.876
H6 0.933 0.000 -1.876
H7 -0.933 0.000 -1.876

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30821.30822.09502.09502.09502.0950
C21.30822.61631.09201.09203.31793.3179
C31.30822.61633.31793.31791.09201.0920
H42.09501.09203.31791.86563.97703.9770
H52.09501.09203.31791.86563.97703.9770
H62.09503.31791.09203.97703.97701.8656
H72.09503.31791.09203.97703.97701.8656

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.327 C1 C2 H5 121.327
C1 C3 H6 121.327 C1 C3 H7 121.327
C2 C1 C3 180.000 H4 C2 H5 117.346
H6 C3 H7 117.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 C -0.214      
3 C -0.214      
4 H 0.111      
5 H 0.111      
6 H 0.111      
7 H 0.111      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.506 0.000 0.000
y 0.000 -19.506 0.000
z 0.000 0.000 -15.715
Traceless
 xyz
x -1.896 0.000 0.000
y 0.000 -1.896 0.000
z 0.000 0.000 3.792
Polar
3z2-r27.583
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.891 0.000 0.000
y 0.000 3.891 0.000
z 0.000 0.000 9.397


<r2> (average value of r2) Å2
<r2> 49.486
(<r2>)1/2 7.035