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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-116.541245
Energy at 298.15K-116.543954
HF Energy-116.409104
Nuclear repulsion energy59.185827
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 B2PLYP/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 3153 3153 0.00 289.05 0.07 0.13
2 A1 1502 1502 0.00 22.29 0.66 0.79
3 A1 1104 1104 0.00 46.00 0.29 0.45
4 B1 895 895 0.00 9.67 0.75 0.86
5 B2 3150 3150 4.76 59.74 0.75 0.86
6 B2 2048 2048 54.95 0.07 0.75 0.86
7 B2 1450 1450 3.15 0.00 0.75 0.86
8 E 3230 3230 3.47 105.84 0.75 0.86
8 E 3230 3230 3.47 105.84 0.75 0.86
9 E 1035 1035 0.17 0.21 0.75 0.86
9 E 1035 1035 0.17 0.21 0.75 0.86
10 E 860 860 61.30 0.41 0.75 0.86
10 E 860 860 61.30 0.41 0.75 0.86
11 E 365 365 6.14 2.08 0.75 0.86
11 E 365 365 6.14 2.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12141.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12141.4 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 B2PLYP/6-311G*
ABC
4.87264 0.29674 0.29674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 1.307
C3 0.000 0.000 -1.307
H4 0.000 0.926 1.871
H5 0.000 -0.926 1.871
H6 0.926 0.000 -1.871
H7 -0.926 0.000 -1.871

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30661.30662.08762.08762.08762.0876
C21.30662.61311.08471.08473.30973.3097
C31.30662.61313.30973.30971.08471.0847
H42.08761.08473.30971.85283.96443.9644
H52.08761.08473.30971.85283.96443.9644
H62.08763.30971.08473.96443.96441.8528
H72.08763.30971.08473.96443.96441.8528

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.345 C1 C2 H5 121.345
C1 C3 H6 121.345 C1 C3 H7 121.345
C2 C1 C3 180.000 H4 C2 H5 117.311
H6 C3 H7 117.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.143      
2 C -0.533      
3 C -0.533      
4 H 0.231      
5 H 0.231      
6 H 0.231      
7 H 0.231      


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 -19.465 0.000 0.000
y 0.000 -19.455 0.000
z 0.000 0.000 -15.571
Traceless
 xyz
x -1.952 0.000 0.000
y 0.000 -1.937 0.000
z 0.000 0.000 3.888
Polar
3z2-r27.777
x2-y2-0.010
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.949 0.000 0.000
y 0.000 2.947 0.000
z 0.000 0.000 8.631


<r2> (average value of r2) Å2
<r2> 49.263
(<r2>)1/2 7.019