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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-131.985210
Energy at 298.15K-131.987859
HF Energy-131.985210
Nuclear repulsion energy59.240585
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 TPSSh/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' 3342 3227 3.73      
2 A' 3177 3068 5.30      
3 A' 2148 2074 238.66      
4 A' 1484 1433 10.27      
5 A' 1169 1129 4.11      
6 A' 1010 975 322.04      
7 A' 757 731 139.55      
8 A' 525 507 29.89      
9 A" 3257 3146 0.01      
10 A" 1054 1018 1.13      
11 A" 926 894 66.02      
12 A" 460 444 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 9654.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9323.2 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 TPSSh/3-21G*
ABC
6.90818 0.31915 0.31286

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -1.259 0.000
C2 0.000 0.056 0.000
N3 -0.091 1.282 0.000
H4 -0.022 -1.813 0.932
H5 -0.022 -1.813 -0.932
H6 0.760 1.869 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31472.54181.08451.08453.2218
C21.31471.22932.08862.08861.9659
N32.54181.22933.23293.23291.0340
H41.08452.08863.23291.86423.8778
H51.08452.08863.23291.86423.8778
H63.22181.96591.03403.87783.8778

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.184 C2 C1 H4 120.741
C2 C1 H5 120.741 C2 N3 H6 120.347
H4 C1 H5 118.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.434      
2 C 0.395      
3 N -0.743      
4 H 0.240      
5 H 0.240      
6 H 0.303      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.651 -0.145 0.000 1.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.503 0.306 0.000
y 0.306 6.916 0.000
z 0.000 0.000 2.141


<r2> (average value of r2) Å2
<r2> 44.252
(<r2>)1/2 6.652