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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-116.535612
Energy at 298.15K-116.538256
HF Energy-116.535612
Nuclear repulsion energy58.997869
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 PBEPBE/TZVP
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 3062 3028 0.00 352.46 0.08 0.14
2 A1 1430 1414 0.00 21.67 0.72 0.83
3 A1 1088 1076 0.00 56.55 0.26 0.41
4 B1 860 850 0.00 3.54 0.75 0.86
5 B2 3058 3024 1.56 57.23 0.75 0.86
6 B2 2007 1984 79.55 2.54 0.75 0.86
7 B2 1375 1359 6.94 0.07 0.75 0.86
8 E 3133 3098 0.75 108.76 0.75 0.86
8 E 3133 3098 0.75 108.76 0.75 0.86
9 E 979 968 0.06 0.07 0.75 0.86
9 E 979 968 0.06 0.07 0.75 0.86
10 E 823 814 64.21 0.21 0.75 0.86
10 E 823 814 64.21 0.21 0.75 0.86
11 E 358 354 7.41 1.07 0.75 0.86
11 E 358 354 7.41 1.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11733.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 11601.6 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 PBEPBE/TZVP
ABC
4.80093 0.29545 0.29545

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

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 0.933 1.878
H5 0.000 -0.933 1.878
H6 0.933 0.000 -1.878
H7 -0.933 0.000 -1.878

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30851.30852.09682.09682.09682.0968
C21.30852.61691.09311.09313.31993.3199
C31.30852.61693.31993.31991.09311.0931
H42.09681.09313.31991.86663.98043.9804
H52.09681.09313.31991.86663.98043.9804
H62.09683.31991.09313.98043.98041.8666
H72.09683.31991.09313.98043.98041.8666

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.376 C1 C2 H5 121.376
C1 C3 H6 121.376 C1 C3 H7 121.376
C2 C1 C3 180.000 H4 C2 H5 117.248
H6 C3 H7 117.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.097      
2 C -0.333      
3 C -0.333      
4 H 0.142      
5 H 0.142      
6 H 0.142      
7 H 0.142      


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 -19.514 0.000 0.000
y 0.000 -19.514 0.000
z 0.000 0.000 -15.684
Traceless
 xyz
x -1.915 0.000 0.000
y 0.000 -1.915 0.000
z 0.000 0.000 3.829
Polar
3z2-r27.659
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 3.516 0.000 0.000
y 0.000 3.516 0.000
z 0.000 0.000 9.342


<r2> (average value of r2) Å2
<r2> 49.521
(<r2>)1/2 7.037