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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-116.306815
Energy at 298.15K 
HF Energy-115.870730
Nuclear repulsion energy58.496771
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=FULL/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 3174 3174 0.00      
2 A1 1496 1496 0.00      
3 A1 1098 1098 0.00      
4 B1 868 868 0.00      
5 B2 3173 3173 2.88      
6 B2 2056 2056 31.54      
7 B2 1438 1438 1.36      
8 E 3267 3267 2.17      
8 E 3267 3267 2.17      
9 E 1025 1025 1.12      
9 E 1025 1025 1.12      
10 E 861 861 47.50      
10 E 861 861 47.50      
11 E 355 355 3.87      
11 E 355 355 3.87      

Unscaled Zero Point Vibrational Energy (zpe) 12158.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12158.2 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=FULL/cc-pVDZ
ABC
4.73955 0.28983 0.28983

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 1.323
C3 0.000 0.000 -1.323
H4 0.000 0.939 1.887
H5 0.000 -0.939 1.887
H6 0.939 0.000 -1.887
H7 -0.939 0.000 -1.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.32341.32342.10782.10782.10782.1078
C21.32342.64671.09541.09543.34493.3449
C31.32342.64673.34493.34491.09541.0954
H42.10781.09543.34491.87864.00094.0009
H52.10781.09543.34491.87864.00094.0009
H62.10783.34491.09544.00094.00091.8786
H72.10783.34491.09544.00094.00091.8786

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.965 C1 C2 H5 120.965
C1 C3 H6 120.965 C1 C3 H7 120.965
C2 C1 C3 180.000 H4 C2 H5 118.070
H6 C3 H7 118.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability