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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: CCSD/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 CCSD/6-311G**
 hartrees
Energy at 0K-116.337070
Energy at 298.15K 
HF Energy-115.890523
Nuclear repulsion energy58.919541
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 CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3161 3161 0.00      
2 A1 1503 1503 0.00      
3 A1 1094 1094 0.00      
4 B1 882 882 0.00      
5 B2 3160 3160 3.86      
6 B2 2048 2048 35.95      
7 B2 1451 1451 1.66      
8 E 3246 3246 2.93      
8 E 3246 3246 2.93      
9 E 1029 1029 1.48      
9 E 1029 1029 1.48      
10 E 867 867 50.58      
10 E 867 867 50.58      
11 E 357 357 5.53      
11 E 357 357 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 12147.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12147.1 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 CCSD/6-311G**
ABC
4.81891 0.29391 0.29391

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.314
C3 0.000 0.000 -1.314
H4 0.000 0.932 1.874
H5 0.000 -0.932 1.874
H6 0.932 0.000 -1.874
H7 -0.932 0.000 -1.874

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31431.31432.09262.09262.09262.0926
C21.31432.62851.08671.08673.32133.3213
C31.31432.62853.32133.32131.08671.0867
H42.09261.08673.32131.86313.97243.9724
H52.09261.08673.32131.86313.97243.9724
H62.09263.32131.08673.97243.97241.8631
H72.09263.32131.08673.97243.97241.8631

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.991 C1 C2 H5 120.991
C1 C3 H6 120.991 C1 C3 H7 120.991
C2 C1 C3 180.000 H4 C2 H5 118.018
H6 C3 H7 118.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability