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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: BLYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-116.603333
Energy at 298.15K-116.605974
HF Energy-116.603333
Nuclear repulsion energy58.536384
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/cc-pVDZ
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 3040 3045 0.00 352.01 0.06 0.11
2 A1 1421 1423 0.00 24.38 0.64 0.78
3 A1 1081 1082 0.00 52.06 0.31 0.47
4 B1 850 851 0.00 16.92 0.75 0.86
5 B2 3036 3041 3.98 57.28 0.75 0.86
6 B2 2000 2003 56.29 0.02 0.75 0.86
7 B2 1365 1367 3.29 0.50 0.75 0.86
8 E 3117 3122 3.10 128.94 0.75 0.86
8 E 3117 3122 3.10 128.94 0.75 0.86
9 E 979 981 0.13 0.08 0.75 0.86
9 E 979 981 0.13 0.08 0.75 0.86
10 E 811 812 46.85 0.04 0.75 0.86
10 E 811 812 46.85 0.04 0.75 0.86
11 E 363 364 2.92 2.67 0.75 0.86
11 E 363 364 2.92 2.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11666.7 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 11685.3 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/cc-pVDZ
ABC
4.72469 0.29085 0.29085

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVDZ

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 1.319
C3 0.000 0.000 -1.319
H4 0.000 0.941 1.892
H5 0.000 -0.941 1.892
H6 0.941 0.000 -1.892
H7 -0.941 0.000 -1.892

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31881.31882.11322.11322.11322.1132
C21.31882.63761.10181.10183.34603.3460
C31.31882.63763.34603.34601.10181.1018
H42.11321.10183.34601.88164.01154.0115
H52.11321.10183.34601.88164.01154.0115
H62.11323.34601.10184.01154.01151.8816
H72.11323.34601.10184.01154.01151.8816

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.363 C1 C2 H5 121.363
C1 C3 H6 121.363 C1 C3 H7 121.363
C2 C1 C3 180.000 H4 C2 H5 117.274
H6 C3 H7 117.274
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.031      
2 C -0.054      
3 C -0.054      
4 H 0.035      
5 H 0.035      
6 H 0.035      
7 H 0.035      


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 -19.132 0.000 0.000
y 0.000 -19.132 0.000
z 0.000 0.000 -16.031
Traceless
 xyz
x -1.550 0.000 0.000
y 0.000 -1.550 0.000
z 0.000 0.000 3.100
Polar
3z2-r26.200
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 2.938 0.000 0.000
y 0.000 2.938 0.000
z 0.000 0.000 9.002


<r2> (average value of r2) Å2
<r2> 50.036
(<r2>)1/2 7.074