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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-116.640814
Energy at 298.15K-116.643529
HF Energy-116.640814
Nuclear repulsion energy58.572074
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/SDD
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 3148 3026 0.00 296.69 0.06 0.11
2 A1 1491 1433 0.00 19.87 0.70 0.83
3 A1 1095 1053 0.00 54.67 0.33 0.50
4 B1 881 846 0.00 9.42 0.75 0.86
5 B2 3147 3025 2.87 52.54 0.75 0.86
6 B2 2041 1962 74.36 0.14 0.75 0.86
7 B2 1448 1392 12.44 0.45 0.75 0.86
8 E 3243 3117 7.71 95.76 0.75 0.86
8 E 3243 3117 7.71 95.76 0.75 0.86
9 E 1033 993 1.59 0.34 0.75 0.86
9 E 1033 993 1.59 0.34 0.75 0.86
10 E 914 878 99.79 2.50 0.75 0.86
10 E 914 878 99.79 2.50 0.75 0.86
11 E 362 348 9.53 3.13 0.75 0.86
11 E 362 348 9.53 3.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12175.7 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 11704.5 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/SDD
ABC
4.83872 0.28971 0.28971

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

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 1.324
C3 0.000 0.000 -1.324
H4 0.000 0.930 1.890
H5 0.000 -0.930 1.890
H6 0.930 0.000 -1.890
H7 -0.930 0.000 -1.890

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.32361.32362.10642.10642.10642.1064
C21.32362.64711.08871.08873.34553.3455
C31.32362.64713.34553.34551.08871.0887
H42.10641.08873.34551.85934.00254.0025
H52.10641.08873.34551.85934.00254.0025
H62.10643.34551.08874.00254.00251.8593
H72.10643.34551.08874.00254.00251.8593

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.364 C1 C2 H5 121.364
C1 C3 H6 121.364 C1 C3 H7 121.364
C2 C1 C3 180.000 H4 C2 H5 117.272
H6 C3 H7 117.272
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 C -0.536      
3 C -0.536      
4 H 0.224      
5 H 0.224      
6 H 0.224      
7 H 0.224      


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 -19.344 0.000 0.000
y 0.000 -19.344 0.000
z 0.000 0.000 -15.043
Traceless
 xyz
x -2.150 0.000 0.000
y 0.000 -2.150 0.000
z 0.000 0.000 4.301
Polar
3z2-r28.602
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 2.594 0.000 0.000
y 0.000 2.594 0.000
z 0.000 0.000 8.645


<r2> (average value of r2) Å2
<r2> 49.957
(<r2>)1/2 7.068