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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-131.134668
Energy at 298.15K-131.137493
HF Energy-131.134668
Nuclear repulsion energy60.182237
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 HF/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3651 3295 49.05      
2 A' 3346 3021 7.81      
3 A' 2308 2084 432.45      
4 A' 1611 1454 6.13      
5 A' 1264 1141 11.22      
6 A' 1059 956 424.80      
7 A' 942 850 158.06      
8 A' 573 517 46.48      
9 A" 3430 3096 0.00      
10 A" 1175 1061 3.69      
11 A" 1009 910 88.66      
12 A" 507 457 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10437.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9420.8 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 HF/3-21G*
ABC
7.15072 0.32906 0.32234

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.410 -1.171 0.000
C2 0.000 0.060 0.000
N3 0.333 1.220 0.000
H4 -0.588 -1.686 0.922
H5 -0.588 -1.686 -0.922
H6 1.303 1.500 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.29742.50381.07081.07083.1733
C21.29741.20692.06002.06001.9423
N32.50381.20693.18473.18471.0098
H41.07082.06003.18471.84363.8180
H51.07082.06003.18471.84363.8180
H63.17331.94231.00983.81803.8180

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.601 C2 C1 H4 120.584
C2 C1 H5 120.584 C2 N3 H6 122.124
H4 C1 H5 118.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.424      
2 C 0.429      
3 N -0.846      
4 H 0.253      
5 H 0.253      
6 H 0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.651 -0.896 0.000 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.923 3.687 0.000
y 3.687 -19.014 0.000
z 0.000 0.000 -17.221
Traceless
 xyz
x 1.194 3.687 0.000
y 3.687 -1.942 0.000
z 0.000 0.000 0.748
Polar
3z2-r21.497
x2-y22.091
xy3.687
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.081 1.876 0.000
y 1.876 6.056 0.000
z 0.000 0.000 2.044


<r2> (average value of r2) Å2
<r2> 43.544
(<r2>)1/2 6.599