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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: MP2=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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-116.248522
Energy at 298.15K-116.251254
HF Energy-115.860121
Nuclear repulsion energy59.018174
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/6-31G*
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 3209 3024 0.00 251.62 0.05 0.09
2 A1 1529 1440 0.00 29.75 0.58 0.74
3 A1 1118 1054 0.00 26.76 0.30 0.46
4 B1 909 857 0.00 21.24 0.75 0.86
5 B2 3210 3024 0.93 46.27 0.75 0.86
6 B2 2076 1956 25.56 0.10 0.75 0.86
7 B2 1479 1394 1.81 0.31 0.75 0.86
8 E 3295 3104 1.78 89.95 0.75 0.86
8 E 3295 3104 1.78 89.95 0.75 0.86
9 E 1053 992 0.00 0.13 0.75 0.86
9 E 1053 992 0.00 0.13 0.75 0.86
10 E 879 828 60.87 0.02 0.75 0.86
10 E 879 828 60.87 0.02 0.75 0.86
11 E 371 350 3.61 2.64 0.75 0.86
11 E 371 350 3.61 2.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12363.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 11648.6 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/6-31G*
ABC
4.86855 0.29477 0.29477

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=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 1.311
C3 0.000 0.000 -1.311
H4 0.000 0.927 1.877
H5 0.000 -0.927 1.877
H6 0.927 0.000 -1.877
H7 -0.927 0.000 -1.877

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31121.31122.09302.09302.09302.0930
C21.31122.62241.08571.08573.31983.3198
C31.31122.62243.31983.31981.08571.0857
H42.09301.08573.31981.85363.97553.9755
H52.09301.08573.31981.85363.97553.9755
H62.09303.31981.08573.97553.97551.8536
H72.09303.31981.08573.97553.97551.8536

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.389 C1 C2 H5 121.389
C1 C3 H6 121.389 C1 C3 H7 121.389
C2 C1 C3 180.000 H4 C2 H5 117.223
H6 C3 H7 117.223
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability