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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-116.675705
Energy at 298.15K-116.678428
HF Energy-116.675705
Nuclear repulsion energy59.221848
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 TPSSh/6-31G(2df,p)
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 3136 3026 0.00 304.05 0.06 0.11
2 A1 1490 1438 0.00 23.19 0.61 0.76
3 A1 1113 1074 0.00 51.45 0.28 0.44
4 B1 893 862 0.00 14.13 0.75 0.86
5 B2 3132 3022 4.75 46.16 0.75 0.86
6 B2 2060 1988 51.42 0.00 0.75 0.86
7 B2 1437 1386 1.94 0.27 0.75 0.86
8 E 3208 3096 3.08 104.48 0.75 0.86
8 E 3208 3096 3.08 104.48 0.75 0.86
9 E 1018 983 0.65 0.21 0.75 0.86
9 E 1018 983 0.65 0.21 0.75 0.86
10 E 862 832 49.95 0.09 0.75 0.86
10 E 862 832 49.95 0.09 0.75 0.86
11 E 373 360 3.63 2.21 0.75 0.86
11 E 373 360 3.63 2.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12091.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 11667.8 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 TPSSh/6-31G(2df,p)
ABC
4.87296 0.29731 0.29731

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

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 1.305
C3 0.000 0.000 -1.305
H4 0.000 0.926 1.872
H5 0.000 -0.926 1.872
H6 0.926 0.000 -1.872
H7 -0.926 0.000 -1.872

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30451.30452.08882.08882.08882.0888
C21.30452.60901.08641.08643.30893.3089
C31.30452.60903.30893.30891.08641.0864
H42.08881.08643.30891.85273.96683.9668
H52.08881.08643.30891.85273.96683.9668
H62.08883.30891.08643.96683.96681.8527
H72.08883.30891.08643.96683.96681.8527

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.497 C1 C2 H5 121.497
C1 C3 H6 121.497 C1 C3 H7 121.497
C2 C1 C3 180.000 H4 C2 H5 117.005
H6 C3 H7 117.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.416      
2 C -0.526      
3 C -0.526      
4 H 0.159      
5 H 0.159      
6 H 0.159      
7 H 0.159      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.008 0.000 0.000
y 0.000 3.008 0.000
z 0.000 0.000 8.524


<r2> (average value of r2) Å2
<r2> 48.864
(<r2>)1/2 6.990