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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-116.636112
Energy at 298.15K-116.638798
HF Energy-116.636112
Nuclear repulsion energy59.048332
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3161 3029 0.00 361.18 0.07 0.13
2 A1 1468 1407 0.00 13.99 0.74 0.85
3 A1 1119 1072 0.00 71.05 0.17 0.29
4 B1 877 840 0.00 0.52 0.75 0.86
5 B2 3159 3027 1.16 34.73 0.75 0.86
6 B2 2075 1988 91.14 5.00 0.75 0.86
7 B2 1405 1347 5.07 0.33 0.75 0.86
8 E 3249 3113 0.49 101.68 0.75 0.86
8 E 3249 3113 0.49 101.68 0.75 0.86
9 E 996 955 1.54 0.15 0.75 0.86
9 E 996 955 1.54 0.15 0.75 0.86
10 E 876 839 57.16 2.32 0.75 0.86
10 E 876 839 57.16 2.32 0.75 0.86
11 E 353 338 7.83 0.58 0.75 0.86
11 E 353 338 7.83 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12105.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 11601.0 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 mPW1PW91/aug-cc-pVDZ
ABC
4.80325 0.29582 0.29582

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-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 1.309
C3 0.000 0.000 -1.309
H4 0.000 0.933 1.872
H5 0.000 -0.933 1.872
H6 0.933 0.000 -1.872
H7 -0.933 0.000 -1.872

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30871.30872.09172.09172.09172.0917
C21.30872.61731.09001.09003.31483.3148
C31.30872.61733.31483.31481.09001.0900
H42.09171.09003.31481.86613.96993.9699
H52.09171.09003.31481.86613.96993.9699
H62.09173.31481.09003.96993.96991.8661
H72.09173.31481.09003.96993.96991.8661

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.126 C1 C2 H5 121.126
C1 C3 H6 121.126 C1 C3 H7 121.126
C2 C1 C3 180.000 H4 C2 H5 117.747
H6 C3 H7 117.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 C 0.669      
3 C 0.669      
4 H -0.287      
5 H -0.287      
6 H -0.287      
7 H -0.287      


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 -19.492 0.000 0.000
y 0.000 -19.492 0.000
z 0.000 0.000 -15.530
Traceless
 xyz
x -1.981 0.000 0.000
y 0.000 -1.981 0.000
z 0.000 0.000 3.962
Polar
3z2-r27.925
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 4.362 0.000 0.000
y 0.000 4.362 0.000
z 0.000 0.000 9.455


<r2> (average value of r2) Å2
<r2> 49.402
(<r2>)1/2 7.029