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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: PBE1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-116.512791
Energy at 298.15K-116.515506
HF Energy-116.512791
Nuclear repulsion energy59.012232
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/cc-pVDZ
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 3158 3036 0.00 320.74 0.05 0.10
2 A1 1461 1405 0.00 15.09 0.70 0.82
3 A1 1122 1078 0.00 56.13 0.31 0.47
4 B1 878 844 0.00 14.15 0.75 0.86
5 B2 3155 3033 0.19 51.81 0.75 0.86
6 B2 2096 2015 74.09 0.06 0.75 0.86
7 B2 1392 1339 5.06 0.37 0.75 0.86
8 E 3249 3124 0.27 111.69 0.75 0.86
8 E 3249 3124 0.27 111.69 0.75 0.86
9 E 998 960 0.04 0.23 0.75 0.86
9 E 998 960 0.04 0.23 0.75 0.86
10 E 854 821 56.60 0.43 0.75 0.86
10 E 854 821 56.60 0.43 0.75 0.86
11 E 375 360 4.48 2.73 0.75 0.86
11 E 375 360 4.48 2.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12105.4 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 11639.3 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/cc-pVDZ
ABC
4.76793 0.29584 0.29584

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

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 0.937 1.873
H5 0.000 -0.937 1.873
H6 0.937 0.000 -1.873
H7 -0.937 0.000 -1.873

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30821.30822.09392.09392.09392.0939
C21.30822.61651.09351.09353.31603.3160
C31.30822.61653.31603.31601.09351.0935
H42.09391.09353.31601.87303.97293.9729
H52.09391.09353.31601.87303.97293.9729
H62.09393.31601.09353.97293.97291.8730
H72.09393.31601.09353.97293.97291.8730

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.084 C1 C2 H5 121.084
C1 C3 H6 121.084 C1 C3 H7 121.084
C2 C1 C3 180.000 H4 C2 H5 117.832
H6 C3 H7 117.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 C -0.112      
3 C -0.112      
4 H 0.077      
5 H 0.077      
6 H 0.077      
7 H 0.077      


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 -19.072 0.000 0.000
y 0.000 -19.072 0.000
z 0.000 0.000 -15.440
Traceless
 xyz
x -1.816 0.000 0.000
y 0.000 -1.816 0.000
z 0.000 0.000 3.632
Polar
3z2-r27.264
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 2.862 0.000 0.000
y 0.000 2.862 0.000
z 0.000 0.000 8.757


<r2> (average value of r2) Å2
<r2> 49.231
(<r2>)1/2 7.016