return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-131.900610
Energy at 298.15K-131.903351
HF Energy-131.900610
Nuclear repulsion energy60.259017
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/6-311G*
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' 3744 3386 27.94      
2 A' 3325 3008 4.18      
3 A' 2251 2036 569.58      
4 A' 1574 1424 1.27      
5 A' 1248 1128 51.07      
6 A' 1142 1033 207.96      
7 A' 839 759 113.88      
8 A' 531 480 27.85      
9 A" 3418 3091 0.25      
10 A" 1111 1005 1.09      
11 A" 987 893 74.44      
12 A" 468 423 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10319.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 9333.2 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 HF/6-311G*
ABC
6.84899 0.33058 0.32419

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.248 -1.213 0.000
C2 0.000 0.062 0.000
N3 0.154 1.260 0.000
H4 -0.350 -1.742 0.927
H5 -0.350 -1.742 -0.927
H6 1.109 1.568 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.29932.50551.07271.07273.0941
C21.29931.20742.05912.05911.8696
N32.50551.20743.18253.18251.0027
H41.07272.05913.18251.85483.7344
H51.07272.05913.18251.85483.7344
H63.09411.86961.00273.73443.7344

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.338 C2 C1 H4 120.169
C2 C1 H5 120.169 C2 N3 H6 115.226
H4 C1 H5 119.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.508      
2 C 0.334      
3 N -0.683      
4 H 0.260      
5 H 0.260      
6 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.535 -0.935 0.000 1.798
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.057 3.529 0.000
y 3.529 -18.342 0.000
z 0.000 0.000 -17.313
Traceless
 xyz
x -0.229 3.529 0.000
y 3.529 -0.657 0.000
z 0.000 0.000 0.886
Polar
3z2-r21.773
x2-y20.285
xy3.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.584 1.095 0.000
y 1.095 6.882 0.000
z 0.000 0.000 2.528


<r2> (average value of r2) Å2
<r2> 43.406
(<r2>)1/2 6.588