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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B1B95/daug-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 B1B95/daug-cc-pVDZ
 hartrees
Energy at 0K-116.604981
Energy at 298.15K-116.607677
HF Energy-116.604981
Nuclear repulsion energy59.131133
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/daug-cc-pVDZ
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 3163 3163 0.00 365.71 0.07 0.13
2 A1 1466 1466 0.00 14.09 0.74 0.85
3 A1 1119 1119 0.00 71.85 0.16 0.28
4 B1 876 876 0.00 0.90 0.75 0.86
5 B2 3160 3160 0.75 35.38 0.75 0.86
6 B2 2079 2079 90.62 3.97 0.75 0.86
7 B2 1402 1402 4.67 0.35 0.75 0.86
8 E 3251 3251 0.56 103.14 0.75 0.86
8 E 3251 3251 0.56 103.14 0.75 0.86
9 E 993 993 1.50 0.16 0.75 0.86
9 E 993 993 1.50 0.16 0.75 0.86
10 E 882 882 56.15 2.01 0.75 0.86
10 E 882 882 56.15 2.01 0.75 0.86
11 E 356 356 7.52 0.64 0.75 0.86
11 E 356 356 7.52 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12113.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12113.0 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 B1B95/daug-cc-pVDZ
ABC
4.81698 0.29664 0.29664

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-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 1.307
C3 0.000 0.000 -1.307
H4 0.000 0.932 1.869
H5 0.000 -0.932 1.869
H6 0.932 0.000 -1.869
H7 -0.932 0.000 -1.869

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30691.30692.08862.08862.08862.0886
C21.30692.61381.08831.08833.31003.3100
C31.30692.61383.31003.31001.08831.0883
H42.08861.08833.31001.86353.96393.9639
H52.08861.08833.31001.86353.96393.9639
H62.08863.31001.08833.96393.96391.8635
H72.08863.31001.08833.96393.96391.8635

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.112 C1 C2 H5 121.112
C1 C3 H6 121.112 C1 C3 H7 121.112
C2 C1 C3 180.000 H4 C2 H5 117.775
H6 C3 H7 117.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 C 1.386      
3 C 1.386      
4 H -0.608      
5 H -0.608      
6 H -0.608      
7 H -0.608      


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 -19.490 0.000 0.000
y 0.000 -19.490 0.000
z 0.000 0.000 -15.607
Traceless
 xyz
x -1.941 0.000 0.000
y 0.000 -1.941 0.000
z 0.000 0.000 3.883
Polar
3z2-r27.766
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 4.437 0.000 0.000
y 0.000 4.437 0.000
z 0.000 0.000 9.406


<r2> (average value of r2) Å2
<r2> 49.310
(<r2>)1/2 7.022