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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-116.256695
Energy at 298.15K 
HF Energy-115.883695
Nuclear repulsion energy59.308001
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 CID/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 3220 2991 0.00      
2 A1 1543 1434 0.00      
3 A1 1134 1053 0.00      
4 B1 912 847 0.00      
5 B2 3217 2989 2.34      
6 B2 2118 1967 53.50      
7 B2 1484 1379 3.01      
8 E 3303 3068 2.72      
8 E 3303 3068 2.72      
9 E 1064 988 0.42      
9 E 1064 988 0.42      
10 E 908 843 62.18      
10 E 908 843 62.18      
11 E 379 353 6.88      
11 E 379 353 6.88      

Unscaled Zero Point Vibrational Energy (zpe) 12466.7 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 11582.8 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 CID/6-311G*
ABC
4.87666 0.29801 0.29801

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/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 1.304
C3 0.000 0.000 -1.304
H4 0.000 0.926 1.864
H5 0.000 -0.926 1.864
H6 0.926 0.000 -1.864
H7 -0.926 0.000 -1.864

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30441.30442.08132.08132.08132.0813
C21.30442.60871.08201.08203.30093.3009
C31.30442.60873.30093.30091.08201.0820
H42.08131.08203.30091.85203.95123.9512
H52.08131.08203.30091.85203.95123.9512
H62.08133.30091.08203.95123.95121.8520
H72.08133.30091.08203.95123.95121.8520

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.145 C1 C2 H5 121.145
C1 C3 H6 121.145 C1 C3 H7 121.145
C2 C1 C3 180.000 H4 C2 H5 117.711
H6 C3 H7 117.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability