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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: MP2=FULL/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=FULL/cc-pVTZ
 hartrees
Energy at 0K-116.428517
Energy at 298.15K-116.431238
HF Energy-115.905999
Nuclear repulsion energy59.442892
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3202 3040 0.00 291.63 0.06 0.12
2 A1 1501 1425 0.00 19.09 0.70 0.82
3 A1 1106 1050 0.00 32.87 0.24 0.39
4 B1 902 856 0.00 4.97 0.75 0.86
5 B2 3201 3039 0.06 46.96 0.75 0.86
6 B2 2054 1950 47.84 0.03 0.75 0.86
7 B2 1450 1376 3.55 0.01 0.75 0.86
8 E 3275 3109 0.04 84.64 0.75 0.86
8 E 3275 3109 0.04 84.64 0.75 0.86
9 E 1024 972 1.19 0.07 0.75 0.86
9 E 1024 972 1.19 0.07 0.75 0.86
10 E 881 836 54.91 0.61 0.75 0.86
10 E 881 836 54.91 0.61 0.75 0.86
11 E 361 343 5.77 1.35 0.75 0.86
11 E 361 343 5.77 1.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12248.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11628.2 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/cc-pVTZ
ABC
4.88456 0.29923 0.29923

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.303
C3 0.000 0.000 -1.303
H4 0.000 0.925 1.854
H5 0.000 -0.925 1.854
H6 0.925 0.000 -1.854
H7 -0.925 0.000 -1.854

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30321.30322.07182.07182.07182.0718
C21.30322.60631.07671.07673.28973.2897
C31.30322.60633.28973.28971.07671.0767
H42.07181.07673.28971.85053.93163.9316
H52.07181.07673.28971.85053.93163.9316
H62.07183.28971.07673.93163.93161.8505
H72.07183.28971.07673.93163.93161.8505

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.755 C1 C2 H5 120.755
C1 C3 H6 120.755 C1 C3 H7 120.755
C2 C1 C3 180.000 H4 C2 H5 118.490
H6 C3 H7 118.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability