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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-116.351450
Energy at 298.15K 
HF Energy-115.909960
Nuclear repulsion energy59.615918
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 CID/Def2TZVPP
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 3242 3242 0.00      
2 A1 1549 1549 0.00      
3 A1 1143 1143 0.00      
4 B1 914 914 0.00      
5 B2 3240 3240 0.36      
6 B2 2123 2123 75.10      
7 B2 1488 1488 2.35      
8 E 3326 3326 0.42      
8 E 3326 3326 0.42      
9 E 1061 1061 1.60      
9 E 1061 1061 1.60      
10 E 930 930 56.82      
10 E 930 930 56.82      
11 E 385 385 6.93      
11 E 385 385 6.93      

Unscaled Zero Point Vibrational Energy (zpe) 12550.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12550.5 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 CID/Def2TZVPP
ABC
4.90731 0.30117 0.30117

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

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 1.298
C3 0.000 0.000 -1.298
H4 0.000 0.923 1.850
H5 0.000 -0.923 1.850
H6 0.923 0.000 -1.850
H7 -0.923 0.000 -1.850

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.29831.29832.06792.06792.06792.0679
C21.29832.59661.07561.07563.28123.2812
C31.29832.59663.28123.28121.07561.0756
H42.06791.07563.28121.84623.92433.9243
H52.06791.07563.28121.84623.92433.9243
H62.06793.28121.07563.92433.92431.8462
H72.06793.28121.07563.92433.92431.8462

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.883 C1 C2 H5 120.883
C1 C3 H6 120.883 C1 C3 H7 120.883
C2 C1 C3 180.000 H4 C2 H5 118.233
H6 C3 H7 118.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability