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: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-132.676212
Energy at 298.15K-132.678709
HF Energy-132.676212
Nuclear repulsion energy59.146806
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 BLYP/6-31G(2df,p)
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' 3339 3321 3.78      
2 A' 3099 3082 5.20      
3 A' 2075 2063 263.53      
4 A' 1398 1391 4.62      
5 A' 1132 1126 14.48      
6 A' 1017 1011 184.30      
7 A' 660 656 75.36      
8 A' 473 470 16.18      
9 A" 3179 3162 0.13      
10 A" 972 966 0.00      
11 A" 887 882 45.51      
12 A" 411 409 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 9320.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9269.6 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 BLYP/6-31G(2df,p)
ABC
6.69732 0.31865 0.31262

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.219 -1.239 0.000
C2 0.000 0.059 0.000
N3 -0.340 1.246 0.000
H4 0.320 -1.786 0.937
H5 0.320 -1.786 -0.937
H6 0.425 1.935 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31652.54751.08911.08913.1807
C21.31651.23492.09322.09321.9236
N32.54751.23493.24093.24091.0298
H41.08912.09323.24091.87353.8379
H51.08912.09323.24091.87353.8379
H63.18071.92361.02983.83793.8379

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.601 C2 C1 H4 120.662
C2 C1 H5 120.662 C2 N3 H6 115.988
H4 C1 H5 118.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.434      
2 C 0.408      
3 N -0.471      
4 H 0.127      
5 H 0.127      
6 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.386 -0.137 0.000 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.650 2.101 0.000
y 2.101 -15.272 0.000
z 0.000 0.000 -16.962
Traceless
 xyz
x -3.534 2.101 0.000
y 2.101 3.034 0.000
z 0.000 0.000 0.499
Polar
3z2-r20.999
x2-y2-4.379
xy2.101
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.510 -0.619 0.000
y -0.619 7.295 0.000
z 0.000 0.000 2.832


<r2> (average value of r2) Å2
<r2> 44.264
(<r2>)1/2 6.653