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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-132.107642
Energy at 298.15K-132.110135
HF Energy-131.821103
Nuclear repulsion energy58.046653
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/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3481 3360 17.74      
2 A' 3174 3064 5.79      
3 A' 2034 1964 257.79      
4 A' 1472 1421 12.34      
5 A' 1098 1060 1.44      
6 A' 945 912 380.79      
7 A' 735 709 161.15      
8 A' 445 429 29.50      
9 A" 3288 3174 1.19      
10 A" 1041 1005 0.17      
11 A" 923 891 76.81      
12 A" 401 387 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 9518.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 9187.8 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/SDD
ABC
6.88681 0.30476 0.29872

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.515 -1.184 0.000
C2 0.000 0.060 0.000
N3 -0.630 1.154 0.000
H4 0.728 -1.695 0.940
H5 0.728 -1.695 -0.940
H6 -0.139 2.060 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.34652.60311.09131.09133.3092
C21.34651.26212.12002.12002.0047
N32.60311.26213.29293.29291.0306
H41.09132.12003.29291.88093.9668
H51.09132.12003.29291.88093.9668
H63.30922.00471.03063.96683.9668

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.566 C2 C1 H4 120.479
C2 C1 H5 120.479 C2 N3 H6 121.623
H4 C1 H5 119.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability