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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-116.503741
Energy at 298.15K-116.506488
HF Energy-116.503741
Nuclear repulsion energy59.183629
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3178 3029 0.00 287.87 0.05 0.10
2 A1 1506 1436 0.00 21.12 0.64 0.78
3 A1 1132 1079 0.00 52.36 0.31 0.48
4 B1 892 850 0.00 20.57 0.75 0.86
5 B2 3175 3026 2.13 48.79 0.75 0.86
6 B2 2100 2002 59.37 0.05 0.75 0.86
7 B2 1445 1378 3.16 0.28 0.75 0.86
8 E 3254 3101 2.00 103.51 0.75 0.86
8 E 3254 3101 2.00 103.51 0.75 0.86
9 E 1030 981 0.05 0.33 0.75 0.86
9 E 1030 981 0.05 0.33 0.75 0.86
10 E 868 827 64.18 0.07 0.75 0.86
10 E 868 827 64.18 0.07 0.75 0.86
11 E 384 366 3.79 3.03 0.75 0.86
11 E 384 366 3.79 3.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12249.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 11674.6 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 PBE1PBE/6-31G**
ABC
4.85042 0.29706 0.29706

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

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 1.305
C3 0.000 0.000 -1.305
H4 0.000 0.929 1.872
H5 0.000 -0.929 1.872
H6 0.929 0.000 -1.872
H7 -0.929 0.000 -1.872

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30521.30522.08952.08952.08952.0895
C21.30522.61041.08781.08783.30993.3099
C31.30522.61043.30993.30991.08781.0878
H42.08951.08783.30991.85703.96733.9673
H52.08951.08783.30991.85703.96733.9673
H62.08953.30991.08783.96733.96731.8570
H72.08953.30991.08783.96733.96731.8570

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.395 C1 C2 H5 121.395
C1 C3 H6 121.395 C1 C3 H7 121.395
C2 C1 C3 180.000 H4 C2 H5 117.211
H6 C3 H7 117.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 C -0.567      
3 C -0.567      
4 H 0.196      
5 H 0.196      
6 H 0.196      
7 H 0.196      


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 -18.847 0.000 0.000
y 0.000 -18.847 0.000
z 0.000 0.000 -15.205
Traceless
 xyz
x -1.821 0.000 0.000
y 0.000 -1.821 0.000
z 0.000 0.000 3.642
Polar
3z2-r27.284
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 2.574 0.000 0.000
y 0.000 2.574 0.000
z 0.000 0.000 8.384


<r2> (average value of r2) Å2
<r2> 48.919
(<r2>)1/2 6.994