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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B3LYP/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-116.715735
Energy at 298.15K-116.718467
HF Energy-116.715735
Nuclear repulsion energy59.446377
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 B3LYP/aug-cc-pVQZ
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 3124 3027 0.00 364.01 0.07 0.13
2 A1 1485 1439 0.00 16.38 0.75 0.86
3 A1 1110 1076 0.00 70.77 0.15 0.26
4 B1 883 856 0.00 0.68 0.75 0.86
5 B2 3119 3022 1.89 35.62 0.75 0.86
6 B2 2040 1976 92.28 4.75 0.75 0.86
7 B2 1429 1384 3.83 0.34 0.75 0.86
8 E 3193 3094 0.71 104.62 0.75 0.86
8 E 3193 3094 0.71 104.62 0.75 0.86
9 E 1020 988 1.20 0.20 0.75 0.86
9 E 1020 988 1.20 0.20 0.75 0.86
10 E 875 848 55.22 2.42 0.75 0.86
10 E 875 848 55.22 2.42 0.75 0.86
11 E 372 360 7.56 0.60 0.75 0.86
11 E 372 360 7.56 0.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12054.7 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 11679.8 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 B3LYP/aug-cc-pVQZ
ABC
4.88725 0.29972 0.29972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

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 1.300
C3 0.000 0.000 -1.300
H4 0.000 0.925 1.862
H5 0.000 -0.925 1.862
H6 0.925 0.000 -1.862
H7 -0.925 0.000 -1.862

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.29971.29972.07932.07932.07932.0793
C21.29972.59941.08261.08263.29443.2944
C31.29972.59943.29443.29441.08261.0826
H42.07931.08263.29441.85003.94753.9475
H52.07931.08263.29441.85003.94753.9475
H62.07933.29441.08263.94753.94751.8500
H72.07933.29441.08263.94753.94751.8500

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.305 C1 C2 H5 121.305
C1 C3 H6 121.305 C1 C3 H7 121.305
C2 C1 C3 180.000 H4 C2 H5 117.390
H6 C3 H7 117.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.157      
2 C -0.640      
3 C -0.640      
4 H 0.359      
5 H 0.359      
6 H 0.359      
7 H 0.359      


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 -19.607 0.000 0.000
y 0.000 -19.607 0.000
z 0.000 0.000 -15.874
Traceless
 xyz
x -1.866 0.000 0.000
y 0.000 -1.866 0.000
z 0.000 0.000 3.732
Polar
3z2-r27.465
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 4.457 0.000 0.000
y 0.000 4.457 0.000
z 0.000 0.000 9.424


<r2> (average value of r2) Å2
<r2> 49.033
(<r2>)1/2 7.002