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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-115.907683
Energy at 298.15K-115.910589
HF Energy-115.907683
Nuclear repulsion energy59.850023
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 HF/daug-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 3282 2969 0.00 301.89 0.07 0.13
2 A1 1606 1453 0.00 10.89 0.62 0.76
3 A1 1173 1061 0.00 104.51 0.15 0.26
4 B1 941 852 0.00 0.65 0.75 0.86
5 B2 3279 2966 2.03 35.94 0.75 0.86
6 B2 2170 1963 126.76 6.94 0.75 0.86
7 B2 1545 1397 0.88 0.50 0.75 0.86
8 E 3360 3039 1.25 90.36 0.75 0.86
8 E 3360 3039 1.25 90.36 0.75 0.86
9 E 1108 1003 2.14 0.55 0.75 0.86
9 E 1108 1003 2.14 0.55 0.75 0.86
10 E 996 901 63.84 5.74 0.75 0.86
10 E 996 901 63.84 5.74 0.75 0.86
11 E 410 371 8.49 1.13 0.75 0.86
11 E 410 371 8.49 1.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12871.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 11643.6 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 HF/daug-cc-pVTZ
ABC
4.92830 0.30382 0.30382

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-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 1.292
C3 0.000 0.000 -1.292
H4 0.000 0.921 1.844
H5 0.000 -0.921 1.844
H6 0.921 0.000 -1.844
H7 -0.921 0.000 -1.844

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.29211.29212.06112.06112.06112.0611
C21.29212.58431.07371.07373.26843.2684
C31.29212.58433.26843.26841.07371.0737
H42.06111.07373.26841.84233.91103.9110
H52.06111.07373.26841.84233.91103.9110
H62.06113.26841.07373.91103.91101.8423
H72.06113.26841.07373.91103.91101.8423

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.918 C1 C2 H5 120.918
C1 C3 H6 120.918 C1 C3 H7 120.918
C2 C1 C3 180.000 H4 C2 H5 118.164
H6 C3 H7 118.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 2.409      
2 C -1.648      
3 C -1.648      
4 H 0.222      
5 H 0.222      
6 H 0.222      
7 H 0.222      


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 -19.762 0.000 0.000
y 0.000 -19.762 0.000
z 0.000 0.000 -15.610
Traceless
 xyz
x -2.076 0.000 0.000
y 0.000 -2.076 0.000
z 0.000 0.000 4.152
Polar
3z2-r28.305
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 4.294 0.000 0.000
y 0.000 4.294 0.000
z 0.000 0.000 9.317


<r2> (average value of r2) Å2
<r2> 48.507
(<r2>)1/2 6.965