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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-116.707906
Energy at 298.15K-116.710644
HF Energy-116.707906
Nuclear repulsion energy59.425092
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 B3LYP/aug-cc-pVTZ
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 3125 3023 0.00 364.93 0.07 0.13
2 A1 1484 1436 0.00 16.45 0.75 0.86
3 A1 1110 1074 0.00 70.55 0.16 0.27
4 B1 883 854 0.00 0.64 0.75 0.86
5 B2 3121 3019 1.94 35.71 0.75 0.86
6 B2 2041 1975 92.09 4.91 0.75 0.86
7 B2 1428 1381 3.82 0.35 0.75 0.86
8 E 3194 3090 0.74 104.94 0.75 0.86
8 E 3194 3090 0.74 104.94 0.75 0.86
9 E 1020 987 1.26 0.18 0.75 0.86
9 E 1020 987 1.26 0.18 0.75 0.86
10 E 874 845 55.11 2.37 0.75 0.86
10 E 874 845 55.11 2.37 0.75 0.86
11 E 373 361 7.58 0.58 0.75 0.86
11 E 373 361 7.58 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12056.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 11664.7 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 B3LYP/aug-cc-pVTZ
ABC
4.88140 0.29953 0.29953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

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 1.300
C3 0.000 0.000 -1.300
H4 0.000 0.926 1.863
H5 0.000 -0.926 1.863
H6 0.926 0.000 -1.863
H7 -0.926 0.000 -1.863

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30011.30012.08002.08002.08002.0800
C21.30012.60021.08311.08313.29553.2955
C31.30012.60023.29553.29551.08311.0831
H42.08001.08313.29551.85113.94873.9487
H52.08001.08313.29551.85113.94873.9487
H62.08003.29551.08313.94873.94871.8511
H72.08003.29551.08313.94873.94871.8511

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.295 C1 C2 H5 121.295
C1 C3 H6 121.295 C1 C3 H7 121.295
C2 C1 C3 180.000 H4 C2 H5 117.410
H6 C3 H7 117.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.758      
2 C -0.912      
3 C -0.912      
4 H 0.267      
5 H 0.267      
6 H 0.267      
7 H 0.267      


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 -19.619 0.000 0.000
y 0.000 -19.619 0.000
z 0.000 0.000 -15.889
Traceless
 xyz
x -1.865 0.000 0.000
y 0.000 -1.865 0.000
z 0.000 0.000 3.731
Polar
3z2-r27.462
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 4.446 0.000 0.000
y 0.000 4.446 0.000
z 0.000 0.000 9.442


<r2> (average value of r2) Å2
<r2> 49.066
(<r2>)1/2 7.005