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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-116.704162
Energy at 298.15K-116.706895
HF Energy-116.704162
Nuclear repulsion energy59.375134
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/TZVP
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 3128 3020 0.00 330.59 0.07 0.14
2 A1 1486 1435 0.00 19.25 0.73 0.84
3 A1 1114 1075 0.00 59.88 0.26 0.41
4 B1 884 853 0.00 2.88 0.75 0.86
5 B2 3124 3016 2.04 58.26 0.75 0.86
6 B2 2052 1981 84.19 3.17 0.75 0.86
7 B2 1430 1381 4.48 0.06 0.75 0.86
8 E 3198 3087 1.26 103.42 0.75 0.86
8 E 3198 3087 1.26 103.42 0.75 0.86
9 E 1021 986 0.17 0.16 0.75 0.86
9 E 1021 986 0.17 0.16 0.75 0.86
10 E 875 845 64.11 0.56 0.75 0.86
10 E 875 845 64.11 0.56 0.75 0.86
11 E 372 359 7.74 1.25 0.75 0.86
11 E 372 359 7.74 1.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12074.1 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 11656.4 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 B3LYP/TZVP
ABC
4.87349 0.29906 0.29906

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

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 1.301
C3 0.000 0.000 -1.301
H4 0.000 0.926 1.865
H5 0.000 -0.926 1.865
H6 0.926 0.000 -1.865
H7 -0.926 0.000 -1.865

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30091.30092.08252.08252.08252.0825
C21.30092.60171.08461.08463.29873.2987
C31.30092.60173.29873.29871.08461.0846
H42.08251.08463.29871.85263.95363.9536
H52.08251.08463.29871.85263.95363.9536
H62.08253.29871.08463.95363.95361.8526
H72.08253.29871.08463.95363.95361.8526

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.348 C1 C2 H5 121.348
C1 C3 H6 121.348 C1 C3 H7 121.348
C2 C1 C3 180.000 H4 C2 H5 117.303
H6 C3 H7 117.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 C -0.310      
3 C -0.310      
4 H 0.139      
5 H 0.139      
6 H 0.139      
7 H 0.139      


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 -19.575 0.000 0.000
y 0.000 -19.575 0.000
z 0.000 0.000 -15.799
Traceless
 xyz
x -1.888 0.000 0.000
y 0.000 -1.888 0.000
z 0.000 0.000 3.777
Polar
3z2-r27.553
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 3.456 0.000 0.000
y 0.000 3.456 0.000
z 0.000 0.000 9.199


<r2> (average value of r2) Å2
<r2> 49.095
(<r2>)1/2 7.007