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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-131.424506
Energy at 298.15K-131.427128
HF Energy-131.131732
Nuclear repulsion energy59.011102
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/3-21G*
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' 3405 3228 11.75      
2 A' 3215 3047 7.39      
3 A' 2121 2010 198.60      
4 A' 1525 1446 8.71      
5 A' 1149 1089 1.60      
6 A' 1006 954 389.31      
7 A' 779 738 131.88      
8 A' 488 463 29.94      
9 A" 3300 3128 0.01      
10 A" 1094 1037 1.34      
11 A" 947 898 66.43      
12 A" 441 418 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 9734.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9228.7 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/3-21G*
ABC
7.01484 0.31577 0.30953

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -1.263 0.000
C2 0.000 0.056 0.000
N3 -0.203 1.275 0.000
H4 0.135 -1.817 0.929
H5 0.135 -1.817 -0.929
H6 0.574 1.949 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.32252.55511.08281.08283.2469
C21.32251.23532.09572.09571.9777
N32.55511.23533.24643.24641.0288
H41.08282.09573.24641.85823.9040
H51.08282.09573.24641.85823.9040
H63.24691.97771.02883.90403.9040

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.712 C2 C1 H4 120.899
C2 C1 H5 120.899 C2 N3 H6 121.469
H4 C1 H5 118.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability