return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CCH2 (allene)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-116.641546
Energy at 298.15K-116.644290
HF Energy-116.641546
Nuclear repulsion energy59.385878
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 wB97X-D/6-311G**
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 3149 3012 0.00 290.90 0.07 0.13
2 A1 1486 1421 0.00 15.63 0.73 0.84
3 A1 1118 1069 0.00 55.98 0.30 0.47
4 B1 889 850 0.00 8.27 0.75 0.86
5 B2 3146 3009 1.59 58.50 0.75 0.86
6 B2 2083 1993 85.24 0.04 0.75 0.86
7 B2 1423 1361 4.92 0.00 0.75 0.86
8 E 3231 3091 1.30 101.59 0.75 0.86
8 E 3231 3091 1.30 101.59 0.75 0.86
9 E 1021 977 0.11 0.38 0.75 0.86
9 E 1021 977 0.11 0.38 0.75 0.86
10 E 882 844 62.34 0.65 0.75 0.86
10 E 882 844 62.34 0.65 0.75 0.86
11 E 375 359 7.27 2.14 0.75 0.86
11 E 375 359 7.27 2.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12155.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11626.9 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 wB97X-D/6-311G**
ABC
4.83782 0.29941 0.29941

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

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 1.301
C3 0.000 0.000 -1.301
H4 0.000 0.930 1.860
H5 0.000 -0.930 1.860
H6 0.930 0.000 -1.860
H7 -0.930 0.000 -1.860

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30091.30092.07922.07922.07922.0792
C21.30092.60181.08481.08483.29463.2946
C31.30092.60183.29463.29461.08481.0848
H42.07921.08483.29461.85943.94523.9452
H52.07921.08483.29461.85943.94523.9452
H62.07923.29461.08483.94523.94521.8594
H72.07923.29461.08483.94523.94521.8594

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.012 C1 C2 H5 121.012
C1 C3 H6 121.012 C1 C3 H7 121.012
C2 C1 C3 180.000 H4 C2 H5 117.976
H6 C3 H7 117.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.028      
2 C -0.277      
3 C -0.277      
4 H 0.146      
5 H 0.146      
6 H 0.146      
7 H 0.146      


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 -19.217 0.000 0.000
y 0.000 -19.217 0.000
z 0.000 0.000 -15.296
Traceless
 xyz
x -1.961 0.000 0.000
y 0.000 -1.961 0.000
z 0.000 0.000 3.921
Polar
3z2-r27.843
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 3.035 0.000 0.000
y 0.000 3.035 0.000
z 0.000 0.000 8.761


<r2> (average value of r2) Å2
<r2> 48.788
(<r2>)1/2 6.985