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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: B2PLYP=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-116.513565
Energy at 298.15K-116.516305
HF Energy-116.383701
Nuclear repulsion energy59.100633
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=FULL/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 3184 3020 0.00 278.84 0.05 0.10
2 A1 1524 1445 0.00 26.27 0.61 0.76
3 A1 1121 1063 0.00 44.50 0.31 0.47
4 B1 898 851 0.00 21.17 0.75 0.86
5 B2 3183 3018 3.55 48.73 0.75 0.86
6 B2 2073 1966 42.22 0.05 0.75 0.86
7 B2 1472 1396 1.54 0.35 0.75 0.86
8 E 3259 3091 3.38 102.16 0.75 0.86
8 E 3259 3091 3.38 102.16 0.75 0.86
9 E 1047 993 0.01 0.25 0.75 0.86
9 E 1047 993 0.01 0.25 0.75 0.86
10 E 874 829 57.72 0.02 0.75 0.86
10 E 874 829 57.72 0.02 0.75 0.86
11 E 379 360 3.11 3.03 0.75 0.86
11 E 379 360 3.11 3.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12286.0 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 11652.0 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=FULL/6-31G*
ABC
4.87595 0.29575 0.29575

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/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 1.309
C3 0.000 0.000 -1.309
H4 0.000 0.926 1.875
H5 0.000 -0.926 1.875
H6 0.926 0.000 -1.875
H7 -0.926 0.000 -1.875

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30851.30852.09152.09152.09152.0915
C21.30852.61711.08571.08573.31583.3158
C31.30852.61713.31583.31581.08571.0857
H42.09151.08573.31581.85223.97263.9726
H52.09151.08573.31581.85223.97263.9726
H62.09153.31581.08573.97263.97261.8522
H72.09153.31581.08573.97263.97261.8522

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.465 C1 C2 H5 121.465
C1 C3 H6 121.465 C1 C3 H7 121.465
C2 C1 C3 180.000 H4 C2 H5 117.071
H6 C3 H7 117.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability