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: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-132.673354
Energy at 298.15K-132.675942
HF Energy-132.673354
Nuclear repulsion energy 
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 wB97X-D/6-31G(2df,p)
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' 3548 3548 22.46      
2 A' 3206 3206 8.83      
3 A' 2165 2165 369.38      
4 A' 1452 1452 3.71      
5 A' 1179 1179 18.75      
6 A' 1036 1036 199.09      
7 A' 727 727 86.69      
8 A' 497 497 22.13      
9 A" 3303 3303 0.87      
10 A" 1008 1008 0.43      
11 A" 917 917 53.64      
12 A" 428 428 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 9732.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9732.2 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 wB97X-D/6-31G(2df,p)
ABC
6.72521 0.32494 0.31868

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.008 -1.248 0.000
C2 0.000 0.058 0.000
N3 -0.120 1.275 0.000
H4 0.019 -1.791 0.935
H5 0.019 -1.791 -0.935
H6 0.754 1.797 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.30582.52571.08151.08153.1343
C21.30581.22262.07202.07201.8950
N32.52571.22263.20813.20811.0179
H41.08152.07203.20811.87043.7794
H51.08152.07203.20811.87043.7794
H63.13431.89501.01793.77943.7794

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.716 C2 C1 H4 120.150
C2 C1 H5 120.150 C2 N3 H6 115.205
H4 C1 H5 119.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.530      
2 C 0.420      
3 N -0.525      
4 H 0.173      
5 H 0.173      
6 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.462 -0.468 0.000 1.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.745 2.880 0.000
y 2.880 -15.992 0.000
z 0.000 0.000 -16.821
Traceless
 xyz
x -2.339 2.880 0.000
y 2.880 1.791 0.000
z 0.000 0.000 0.548
Polar
3z2-r21.095
x2-y2-2.753
xy2.880
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.394 0.149 0.000
y 0.149 7.127 0.000
z 0.000 0.000 2.790


<r2> (average value of r2) Å2
<r2> 43.531
(<r2>)1/2 6.598