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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-116.708519
Energy at 298.15K-116.711241
HF Energy-116.708519
Nuclear repulsion energy59.318754
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 TPSSh/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 3122 3023 0.00 340.55 0.07 0.13
2 A1 1486 1439 0.00 17.95 0.71 0.83
3 A1 1108 1073 0.00 55.73 0.26 0.41
4 B1 888 860 0.00 5.64 0.75 0.86
5 B2 3118 3019 3.41 52.19 0.75 0.86
6 B2 2041 1976 72.89 0.23 0.75 0.86
7 B2 1433 1387 3.53 0.01 0.75 0.86
8 E 3193 3092 1.91 106.11 0.75 0.86
8 E 3193 3092 1.91 106.11 0.75 0.86
9 E 1017 984 1.34 0.15 0.75 0.86
9 E 1017 984 1.34 0.15 0.75 0.86
10 E 865 838 54.42 0.79 0.75 0.86
10 E 865 838 54.42 0.79 0.75 0.86
11 E 368 356 6.10 1.62 0.75 0.86
11 E 368 356 6.10 1.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12040.5 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 11658.8 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 TPSSh/cc-pVTZ
ABC
4.86673 0.29841 0.29841

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 1.303
C3 0.000 0.000 -1.303
H4 0.000 0.927 1.866
H5 0.000 -0.927 1.866
H6 0.927 0.000 -1.866
H7 -0.927 0.000 -1.866

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30261.30262.08362.08362.08362.0836
C21.30262.60521.08471.08473.30143.3014
C31.30262.60523.30143.30141.08471.0847
H42.08361.08473.30141.85393.95553.9555
H52.08361.08473.30141.85393.95553.9555
H62.08363.30141.08473.95553.95551.8539
H72.08363.30141.08473.95553.95551.8539

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.291 C1 C2 H5 121.291
C1 C3 H6 121.291 C1 C3 H7 121.291
C2 C1 C3 180.000 H4 C2 H5 117.418
H6 C3 H7 117.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.065      
2 C -0.257      
3 C -0.257      
4 H 0.112      
5 H 0.112      
6 H 0.112      
7 H 0.112      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.533 0.000 0.000
y 0.000 3.533 0.000
z 0.000 0.000 9.054


<r2> (average value of r2) Å2
<r2> 48.974
(<r2>)1/2 6.998