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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: MP2=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at MP2=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-116.443202
Energy at 298.15K-116.445911
HF Energy-115.903620
Nuclear repulsion energy59.314745
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 MP2=FULL/6-311+G(3df,2p)
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 3185 3002 0.00 320.46 0.07 0.12
2 A1 1485 1400 0.00 18.06 0.75 0.86
3 A1 1098 1035 0.00 43.09 0.14 0.25
4 B1 896 845 0.00 0.34 0.75 0.86
5 B2 3184 3001 0.06 30.54 0.75 0.86
6 B2 2044 1927 55.29 3.93 0.75 0.86
7 B2 1432 1350 3.67 0.27 0.75 0.86
8 E 3277 3090 0.00 84.05 0.75 0.86
8 E 3277 3090 0.00 84.05 0.75 0.86
9 E 1014 956 1.77 0.01 0.75 0.86
9 E 1014 956 1.77 0.01 0.75 0.86
10 E 862 812 54.44 2.36 0.75 0.86
10 E 862 812 54.44 2.36 0.75 0.86
11 E 364 344 7.14 0.44 0.75 0.86
11 E 364 344 7.14 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12179.4 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 11481.5 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 MP2=FULL/6-311+G(3df,2p)
ABC
4.86326 0.29803 0.29803

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

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 1.305
C3 0.000 0.000 -1.305
H4 0.000 0.927 1.859
H5 0.000 -0.927 1.859
H6 0.927 0.000 -1.859
H7 -0.927 0.000 -1.859

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30531.30532.07772.07772.07772.0777
C21.30532.61071.08011.08013.29773.2977
C31.30532.61073.29773.29771.08011.0801
H42.07771.08013.29771.85463.94303.9430
H52.07771.08013.29771.85463.94303.9430
H62.07773.29771.08013.94303.94301.8546
H72.07773.29771.08013.94303.94301.8546

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.854 C1 C2 H5 120.854
C1 C3 H6 120.854 C1 C3 H7 120.854
C2 C1 C3 180.000 H4 C2 H5 118.293
H6 C3 H7 118.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability