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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-116.331191
Energy at 298.15K-116.333890
HF Energy-115.883003
Nuclear repulsion energy59.016144
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/6-311G*
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 3178 3010 0.00 260.95 0.06 0.12
2 A1 1502 1422 0.00 25.15 0.63 0.78
3 A1 1097 1039 0.00 27.76 0.28 0.44
4 B1 902 854 0.00 9.65 0.75 0.86
5 B2 3178 3010 0.87 56.81 0.75 0.86
6 B2 2048 1940 35.38 0.00 0.75 0.86
7 B2 1453 1376 4.03 0.00 0.75 0.86
8 E 3269 3096 1.16 92.57 0.75 0.86
8 E 3269 3096 1.16 92.57 0.75 0.86
9 E 1034 979 0.14 0.10 0.75 0.86
9 E 1034 979 0.14 0.10 0.75 0.86
10 E 854 809 64.50 0.14 0.75 0.86
10 E 854 809 64.50 0.14 0.75 0.86
11 E 362 343 6.38 1.74 0.75 0.86
11 E 362 343 6.38 1.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12197.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 11552.4 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/6-311G*
ABC
4.84609 0.29483 0.29483

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

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 1.312
C3 0.000 0.000 -1.312
H4 0.000 0.929 1.873
H5 0.000 -0.929 1.873
H6 0.929 0.000 -1.873
H7 -0.929 0.000 -1.873

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.31181.31182.09042.09042.09042.0904
C21.31182.62361.08511.08513.31723.3172
C31.31182.62363.31723.31721.08511.0851
H42.09041.08513.31721.85783.96913.9691
H52.09041.08513.31721.85783.96913.9691
H62.09043.31721.08513.96913.96911.8578
H72.09043.31721.08513.96913.96911.8578

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.124 C1 C2 H5 121.124
C1 C3 H6 121.124 C1 C3 H7 121.124
C2 C1 C3 180.000 H4 C2 H5 117.753
H6 C3 H7 117.753
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability