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: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-132.561991
Energy at 298.15K-132.564528
HF Energy-132.424175
Nuclear repulsion energy59.298371
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 B2PLYP/6-31G*
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' 3477 3301 7.50      
2 A' 3223 3059 6.79      
3 A' 2134 2025 286.08      
4 A' 1475 1400 3.43      
5 A' 1172 1112 26.87      
6 A' 1058 1004 209.49      
7 A' 710 674 99.01      
8 A' 465 442 20.35      
9 A" 3311 3143 0.12      
10 A" 1025 973 0.52      
11 A" 921 874 58.61      
12 A" 416 395 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 9692.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 9200.3 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 B2PLYP/6-31G*
ABC
6.74308 0.31987 0.31388

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 -1.251 0.000
C2 0.000 0.058 0.000
N3 -0.239 1.268 0.000
H4 0.180 -1.797 0.933
H5 0.180 -1.797 -0.933
H6 0.582 1.877 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31522.54511.08211.08213.1621
C21.31521.23332.08422.08421.9098
N32.54511.23333.23113.23111.0223
H41.08212.08423.23111.86533.8119
H51.08212.08423.23111.86533.8119
H63.16211.90981.02233.81193.8119

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.140 C2 C1 H4 120.469
C2 C1 H5 120.469 C2 N3 H6 115.395
H4 C1 H5 119.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.504      
2 C 0.416      
3 N -0.632      
4 H 0.190      
5 H 0.190      
6 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.614 -0.281 0.000 1.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.530 2.738 0.000
y 2.738 -15.686 0.000
z 0.000 0.000 -17.004
Traceless
 xyz
x -3.186 2.738 0.000
y 2.738 2.581 0.000
z 0.000 0.000 0.604
Polar
3z2-r21.209
x2-y2-3.844
xy2.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.988 -0.312 0.000
y -0.312 7.136 0.000
z 0.000 0.000 2.423


<r2> (average value of r2) Å2
<r2> 44.158
(<r2>)1/2 6.645