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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: PBE1PBE/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-116.547605
Energy at 298.15K-116.550341
HF Energy-116.547605
Nuclear repulsion energy59.447178
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-pVTZ
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 3146 3023 0.00 328.43 0.07 0.13
2 A1 1476 1418 0.00 14.60 0.74 0.85
3 A1 1119 1075 0.00 58.01 0.26 0.42
4 B1 886 852 0.00 5.29 0.75 0.86
5 B2 3142 3020 0.53 49.91 0.75 0.86
6 B2 2073 1992 87.65 0.20 0.75 0.86
7 B2 1413 1358 5.53 0.01 0.75 0.86
8 E 3223 3097 0.44 100.08 0.75 0.86
8 E 3223 3097 0.44 100.08 0.75 0.86
9 E 1008 969 0.44 0.21 0.75 0.86
9 E 1008 969 0.44 0.21 0.75 0.86
10 E 869 835 58.16 0.89 0.75 0.86
10 E 869 835 58.16 0.89 0.75 0.86
11 E 375 361 6.63 1.61 0.75 0.86
11 E 375 361 6.63 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12102.6 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 11630.6 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/cc-pVTZ
ABC
4.85381 0.30005 0.30005

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

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 1.299
C3 0.000 0.000 -1.299
H4 0.000 0.928 1.860
H5 0.000 -0.928 1.860
H6 0.928 0.000 -1.860
H7 -0.928 0.000 -1.860

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.29911.29912.07852.07852.07852.0785
C21.29912.59821.08441.08443.29243.2924
C31.29912.59823.29243.29241.08441.0844
H42.07851.08443.29241.85643.94443.9444
H52.07851.08443.29241.85643.94443.9444
H62.07853.29241.08443.94443.94441.8564
H72.07853.29241.08443.94443.94441.8564

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.135 C1 C2 H5 121.135
C1 C3 H6 121.135 C1 C3 H7 121.135
C2 C1 C3 180.000 H4 C2 H5 117.731
H6 C3 H7 117.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 C -0.320      
3 C -0.320      
4 H 0.135      
5 H 0.135      
6 H 0.135      
7 H 0.135      


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 -19.306 0.000 0.000
y 0.000 -19.306 0.000
z 0.000 0.000 -15.413
Traceless
 xyz
x -1.947 0.000 0.000
y 0.000 -1.947 0.000
z 0.000 0.000 3.893
Polar
3z2-r27.787
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 3.518 0.000 0.000
y 0.000 3.518 0.000
z 0.000 0.000 8.992


<r2> (average value of r2) Å2
<r2> 48.781
(<r2>)1/2 6.984