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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: MP2/aug-cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-116.423526
Energy at 298.15K-116.426225
HF Energy-115.913491
Nuclear repulsion energy59.285528
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-pVQZ
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 3177 3017 0.00 340.79 0.06 0.11
2 A1 1483 1408 0.00 17.65 0.74 0.85
3 A1 1096 1041 0.00 46.37 0.12 0.21
4 B1 893 848 0.00 0.63 0.75 0.86
5 B2 3176 3016 0.06 29.99 0.75 0.86
6 B2 2035 1933 54.62 2.80 0.75 0.86
7 B2 1431 1359 3.35 0.45 0.75 0.86
8 E 3270 3105 0.00 85.34 0.75 0.86
8 E 3270 3105 0.00 85.34 0.75 0.86
9 E 1015 964 2.18 0.05 0.75 0.86
9 E 1015 964 2.18 0.05 0.75 0.86
10 E 863 819 52.36 1.69 0.75 0.86
10 E 863 819 52.36 1.69 0.75 0.86
11 E 360 342 6.96 0.42 0.75 0.86
11 E 360 342 6.96 0.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12153.2 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 11541.9 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-pVQZ
ABC
4.85125 0.29775 0.29775

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

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 1.306
C3 0.000 0.000 -1.306
H4 0.000 0.928 1.859
H5 0.000 -0.928 1.859
H6 0.928 0.000 -1.859
H7 -0.928 0.000 -1.859

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30631.30632.07762.07762.07762.0776
C21.30632.61261.08031.08033.29833.2983
C31.30632.61263.29833.29831.08031.0803
H42.07761.08033.29831.85693.94243.9424
H52.07761.08033.29831.85693.94243.9424
H62.07763.29831.08033.94243.94241.8569
H72.07763.29831.08033.94243.94241.8569

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.751 C1 C2 H5 120.751
C1 C3 H6 120.751 C1 C3 H7 120.751
C2 C1 C3 180.000 H4 C2 H5 118.498
H6 C3 H7 118.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability