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: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-132.543178
Energy at 298.15K-132.545639
HF Energy-132.543178
Nuclear repulsion energy58.970925
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 PBEPBEultrafine/6-31G*
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' 3349 3294 2.96      
2 A' 3125 3074 6.71      
3 A' 2098 2063 268.56      
4 A' 1408 1385 5.03      
5 A' 1148 1129 23.52      
6 A' 1027 1010 185.19      
7 A' 650 639 99.58      
8 A' 457 450 17.59      
9 A" 3208 3155 0.28      
10 A" 974 958 0.64      
11 A" 887 872 53.72      
12 A" 403 397 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 9366.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 9211.8 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 PBEPBEultrafine/6-31G*
ABC
6.62526 0.31680 0.31085

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.212 -1.245 0.000
C2 0.000 0.059 0.000
N3 -0.334 1.252 0.000
H4 0.309 -1.792 0.940
H5 0.309 -1.792 -0.940
H6 0.447 1.928 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.32112.55591.09221.09223.1813
C21.32111.23882.09942.09941.9213
N32.55591.23883.25053.25051.0323
H41.09222.09943.25051.88033.8395
H51.09222.09943.25051.88033.8395
H63.18131.92131.03233.83953.8395

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.600 C2 C1 H4 120.596
C2 C1 H5 120.596 C2 N3 H6 115.255
H4 C1 H5 118.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.513      
2 C 0.439      
3 N -0.633      
4 H 0.190      
5 H 0.190      
6 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.557 -0.145 0.000 1.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.793 2.296 0.000
y 2.296 -15.020 0.000
z 0.000 0.000 -16.874
Traceless
 xyz
x -3.846 2.296 0.000
y 2.296 3.314 0.000
z 0.000 0.000 0.532
Polar
3z2-r21.065
x2-y2-4.774
xy2.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.123 -0.664 0.000
y -0.664 7.205 0.000
z 0.000 0.000 2.487


<r2> (average value of r2) Å2
<r2> 44.403
(<r2>)1/2 6.664