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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-116.390689
Energy at 298.15K-116.393381
HF Energy-115.906607
Nuclear repulsion energy59.173943
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/aug-cc-pVTZ
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 3173 3024 0.00 341.30 0.06 0.11
2 A1 1483 1413 0.00 18.16 0.74 0.85
3 A1 1092 1041 0.00 45.83 0.12 0.21
4 B1 892 850 0.00 0.57 0.75 0.86
5 B2 3173 3024 0.12 30.20 0.75 0.86
6 B2 2031 1935 53.30 3.03 0.75 0.86
7 B2 1431 1364 3.05 0.46 0.75 0.86
8 E 3264 3110 0.01 85.80 0.75 0.86
8 E 3264 3110 0.01 85.80 0.75 0.86
9 E 1014 966 2.49 0.03 0.75 0.86
9 E 1014 966 2.49 0.03 0.75 0.86
10 E 860 819 52.09 1.69 0.75 0.86
10 E 860 819 52.09 1.69 0.75 0.86
11 E 356 339 6.86 0.41 0.75 0.86
11 E 356 339 6.86 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12130.8 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 11559.4 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/aug-cc-pVTZ
ABC
4.84338 0.29651 0.29651

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

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 0.929 1.863
H5 0.000 -0.929 1.863
H6 0.929 0.000 -1.863
H7 -0.929 0.000 -1.863

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30911.30912.08142.08142.08142.0814
C21.30912.61821.08151.08153.30493.3049
C31.30912.61823.30493.30491.08151.0815
H42.08141.08153.30491.85843.95003.9500
H52.08141.08153.30491.85843.95003.9500
H62.08143.30491.08153.95003.95001.8584
H72.08143.30491.08153.95003.95001.8584

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.779 C1 C2 H5 120.779
C1 C3 H6 120.779 C1 C3 H7 120.779
C2 C1 C3 180.000 H4 C2 H5 118.442
H6 C3 H7 118.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability