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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-116.584999
Energy at 298.15K-116.587724
HF Energy-116.428002
Nuclear repulsion energy59.349785
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 B2PLYP/6-311+G(3df,2p)
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 3150 3150 0.00 336.77 0.07 0.14
2 A1 1489 1489 0.00 17.07 0.75 0.86
3 A1 1103 1103 0.00 61.29 0.16 0.28
4 B1 888 888 0.00 0.39 0.75 0.86
5 B2 3148 3148 1.10 34.31 0.75 0.86
6 B2 2035 2035 78.00 5.24 0.75 0.86
7 B2 1437 1437 3.45 0.22 0.75 0.86
8 E 3228 3228 0.33 96.08 0.75 0.86
8 E 3228 3228 0.33 96.08 0.75 0.86
9 E 1022 1022 1.49 0.06 0.75 0.86
9 E 1022 1022 1.49 0.06 0.75 0.86
10 E 873 873 56.00 3.13 0.75 0.86
10 E 873 873 56.00 3.13 0.75 0.86
11 E 368 368 7.28 0.60 0.75 0.86
11 E 368 368 7.28 0.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12116.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12116.7 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 B2PLYP/6-311+G(3df,2p)
ABC
4.88021 0.29848 0.29848

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

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 1.303
C3 0.000 0.000 -1.303
H4 0.000 0.926 1.863
H5 0.000 -0.926 1.863
H6 0.926 0.000 -1.863
H7 -0.926 0.000 -1.863

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30331.30332.08002.08002.08002.0800
C21.30332.60661.08151.08153.29853.2985
C31.30332.60663.29853.29851.08151.0815
H42.08001.08153.29851.85133.94853.9485
H52.08001.08153.29851.85133.94853.9485
H62.08003.29851.08153.94853.94851.8513
H72.08003.29851.08153.94853.94851.8513

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.142 C1 C2 H5 121.142
C1 C3 H6 121.142 C1 C3 H7 121.142
C2 C1 C3 180.000 H4 C2 H5 117.717
H6 C3 H7 117.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.425      
2 C -0.555      
3 C -0.555      
4 H 0.171      
5 H 0.171      
6 H 0.171      
7 H 0.171      


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 -19.712 0.000 0.000
y 0.000 -19.706 0.000
z 0.000 0.000 -15.825
Traceless
 xyz
x -1.946 0.000 0.000
y 0.000 -1.937 0.000
z 0.000 0.000 3.884
Polar
3z2-r27.767
x2-y2-0.006
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.263 0.000 0.000
y 0.000 4.266 0.000
z 0.000 0.000 9.257


<r2> (average value of r2) Å2
<r2> 49.189
(<r2>)1/2 7.013