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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: PBEPBEultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-116.497654
Energy at 298.15K-116.500306
HF Energy-116.497654
Nuclear repulsion energy58.781872
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 PBEPBEultrafine/6-31G**
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 3080 3037 0.00 312.01 0.06 0.10
2 A1 1444 1425 0.00 25.57 0.62 0.77
3 A1 1093 1078 0.00 50.10 0.32 0.48
4 B1 863 851 0.00 21.89 0.75 0.86
5 B2 3076 3034 2.56 48.60 0.75 0.86
6 B2 2026 1999 53.05 0.04 0.75 0.86
7 B2 1386 1367 3.95 0.42 0.75 0.86
8 E 3153 3110 2.35 111.21 0.75 0.86
8 E 3153 3110 2.35 111.21 0.75 0.86
9 E 985 971 0.01 0.17 0.75 0.86
9 E 985 971 0.01 0.17 0.75 0.86
10 E 813 802 57.36 0.01 0.75 0.86
10 E 813 802 57.36 0.01 0.75 0.86
11 E 370 365 3.25 2.78 0.75 0.86
11 E 370 365 3.25 2.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11804.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 11643.0 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 PBEPBEultrafine/6-31G**
ABC
4.79238 0.29301 0.29301

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G**

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 1.314
C3 0.000 0.000 -1.314
H4 0.000 0.934 1.886
H5 0.000 -0.934 1.886
H6 0.934 0.000 -1.886
H7 -0.934 0.000 -1.886

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31401.31402.10452.10452.10452.1045
C21.31402.62801.09531.09533.33343.3334
C31.31402.62803.33343.33341.09531.0953
H42.10451.09533.33341.86823.99633.9963
H52.10451.09533.33341.86823.99633.9963
H62.10453.33341.09533.99633.99631.8682
H72.10453.33341.09533.99633.99631.8682

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.474 C1 C2 H5 121.474
C1 C3 H6 121.474 C1 C3 H7 121.474
C2 C1 C3 180.000 H4 C2 H5 117.052
H6 C3 H7 117.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.317      
2 C -0.437      
3 C -0.437      
4 H 0.139      
5 H 0.139      
6 H 0.139      
7 H 0.139      


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 -18.805 0.000 0.000
y 0.000 -18.805 0.000
z 0.000 0.000 -15.370
Traceless
 xyz
x -1.717 0.000 0.000
y 0.000 -1.717 0.000
z 0.000 0.000 3.434
Polar
3z2-r26.869
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 2.683 0.000 0.000
y 0.000 2.683 0.000
z 0.000 0.000 8.582


<r2> (average value of r2) Å2
<r2> 49.465
(<r2>)1/2 7.033