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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-116.629136
Energy at 298.15K-116.631770
HF Energy-116.629136
Nuclear repulsion energy58.891684
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 BLYP/6-311G*
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 3037 3029 0.00 325.53 0.08 0.14
2 A1 1453 1449 0.00 26.05 0.63 0.78
3 A1 1080 1077 0.00 48.90 0.30 0.46
4 B1 866 864 0.00 10.97 0.75 0.86
5 B2 3032 3025 11.17 63.59 0.75 0.86
6 B2 1988 1983 57.77 0.13 0.75 0.86
7 B2 1403 1400 3.51 0.00 0.75 0.86
8 E 3099 3091 7.02 122.79 0.75 0.86
8 E 3099 3091 7.02 122.79 0.75 0.86
9 E 1003 1000 0.09 0.18 0.75 0.86
9 E 1003 1000 0.09 0.18 0.75 0.86
10 E 815 813 57.91 0.16 0.75 0.86
10 E 815 813 57.91 0.16 0.75 0.86
11 E 355 354 5.17 1.99 0.75 0.86
11 E 355 354 5.17 1.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11700.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 11671.1 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 BLYP/6-311G*
ABC
4.82684 0.29404 0.29404

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

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 1.311
C3 0.000 0.000 -1.311
H4 0.000 0.931 1.885
H5 0.000 -0.931 1.885
H6 0.931 0.000 -1.885
H7 -0.931 0.000 -1.885

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31111.31112.10262.10262.10262.1026
C21.31112.62221.09371.09373.32923.3292
C31.31112.62223.32923.32921.09371.0937
H42.10261.09373.32921.86153.99393.9939
H52.10261.09373.32921.86153.99393.9939
H62.10263.32921.09373.99393.99391.8615
H72.10263.32921.09373.99393.99391.8615

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.674 C1 C2 H5 121.674
C1 C3 H6 121.674 C1 C3 H7 121.674
C2 C1 C3 180.000 H4 C2 H5 116.652
H6 C3 H7 116.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.168      
2 C -0.503      
3 C -0.503      
4 H 0.210      
5 H 0.210      
6 H 0.210      
7 H 0.210      


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 -19.469 0.000 0.000
y 0.000 -19.469 0.000
z 0.000 0.000 -15.800
Traceless
 xyz
x -1.834 0.000 0.000
y 0.000 -1.834 0.000
z 0.000 0.000 3.668
Polar
3z2-r27.336
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 3.050 0.000 0.000
y 0.000 3.050 0.000
z 0.000 0.000 8.972


<r2> (average value of r2) Å2
<r2> 49.707
(<r2>)1/2 7.050