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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B2PLYP=FULLultrafine/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B2PLYP=FULLultrafine/6-31G
 hartrees
Energy at 0K-116.446104
Energy at 298.15K 
HF Energy-116.354074
Nuclear repulsion energy58.848844
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 B2PLYP=FULLultrafine/6-31G
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 3175 3175 0.00 290.73 0.05 0.10
2 A1 1538 1538 0.00 34.53 0.59 0.74
3 A1 1114 1114 0.00 43.04 0.31 0.47
4 B1 905 905 0.00 25.35 0.75 0.86
5 B2 3174 3174 4.25 49.20 0.75 0.86
6 B2 2064 2064 43.94 0.16 0.75 0.86
7 B2 1499 1499 3.47 0.36 0.75 0.86
8 E 3252 3252 6.77 106.34 0.75 0.86
8 E 3252 3252 6.77 106.34 0.75 0.86
9 E 1077 1077 0.31 0.56 0.75 0.86
9 E 1077 1077 0.31 0.56 0.75 0.86
10 E 930 930 72.13 0.06 0.75 0.86
10 E 930 930 72.13 0.06 0.75 0.86
11 E 365 365 4.31 3.61 0.75 0.86
11 E 365 365 4.31 3.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12357.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12357.8 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 B2PLYP=FULLultrafine/6-31G
ABC
4.90406 0.29254 0.29254

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G

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 1.316
C3 0.000 0.000 -1.316
H4 0.000 0.923 1.887
H5 0.000 -0.923 1.887
H6 0.923 0.000 -1.887
H7 -0.923 0.000 -1.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31571.31572.10122.10122.10122.1012
C21.31572.63141.08611.08613.33363.3336
C31.31572.63143.33363.33361.08611.0861
H42.10121.08613.33361.84683.99433.9943
H52.10121.08613.33361.84683.99433.9943
H62.10123.33361.08613.99433.99431.8468
H72.10123.33361.08613.99433.99431.8468

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.761 C1 C2 H5 121.761
C1 C3 H6 121.761 C1 C3 H7 121.761
C2 C1 C3 180.000 H4 C2 H5 116.477
H6 C3 H7 116.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability