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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B1B95/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-116.631880
Energy at 298.15K-116.634620
HF Energy-116.631880
Nuclear repulsion energy59.538456
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 B1B95/TZVP
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 3159 3023 0.00 326.18 0.07 0.13
2 A1 1485 1421 0.00 17.22 0.75 0.85
3 A1 1124 1075 0.00 60.08 0.26 0.41
4 B1 888 850 0.00 3.02 0.75 0.86
5 B2 3155 3019 0.70 56.50 0.75 0.86
6 B2 2082 1993 88.47 2.91 0.75 0.86
7 B2 1423 1361 5.23 0.03 0.75 0.86
8 E 3237 3097 0.62 99.90 0.75 0.86
8 E 3237 3097 0.62 99.90 0.75 0.86
9 E 1015 971 0.09 0.16 0.75 0.86
9 E 1015 971 0.09 0.16 0.75 0.86
10 E 877 839 64.69 0.42 0.75 0.86
10 E 877 839 64.69 0.42 0.75 0.86
11 E 375 359 7.91 1.19 0.75 0.86
11 E 375 359 7.91 1.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12160.9 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 11636.7 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 B1B95/TZVP
ABC
4.87833 0.30088 0.30088

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

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 1.297
C3 0.000 0.000 -1.297
H4 0.000 0.926 1.858
H5 0.000 -0.926 1.858
H6 0.926 0.000 -1.858
H7 -0.926 0.000 -1.858

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.29721.29722.07572.07572.07572.0757
C21.29722.59451.08231.08233.28803.2880
C31.29722.59453.28803.28801.08231.0823
H42.07571.08233.28801.85173.93943.9394
H52.07571.08233.28801.85173.93943.9394
H62.07573.28801.08233.93943.93941.8517
H72.07573.28801.08233.93943.93941.8517

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.190 C1 C2 H5 121.190
C1 C3 H6 121.190 C1 C3 H7 121.190
C2 C1 C3 180.000 H4 C2 H5 117.620
H6 C3 H7 117.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.082      
2 C -0.326      
3 C -0.326      
4 H 0.142      
5 H 0.142      
6 H 0.142      
7 H 0.142      


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 -19.340 0.000 0.000
y 0.000 -19.340 0.000
z 0.000 0.000 -15.507
Traceless
 xyz
x -1.917 0.000 0.000
y 0.000 -1.917 0.000
z 0.000 0.000 3.833
Polar
3z2-r27.667
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 3.398 0.000 0.000
y 0.000 3.398 0.000
z 0.000 0.000 9.021


<r2> (average value of r2) Å2
<r2> 48.708
(<r2>)1/2 6.979