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: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-131.920455
Energy at 298.15K-131.922941
HF Energy-131.920455
Nuclear repulsion energy59.122849
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 LSDA/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' 3430 3360 12.11      
2 A' 3139 3076 17.50      
3 A' 2168 2124 289.71      
4 A' 1410 1382 15.10      
5 A' 1167 1143 11.12      
6 A' 897 879 316.57      
7 A' 735 720 138.62      
8 A' 458 449 25.83      
9 A" 3228 3163 1.09      
10 A" 984 964 4.06      
11 A" 875 858 82.91      
12 A" 404 396 2.06      

Unscaled Zero Point Vibrational Energy (zpe) 9447.9 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 9256.1 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 LSDA/6-31G
ABC
7.08107 0.31763 0.31094

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.230 -1.240 0.000
C2 0.000 0.055 0.000
N3 -0.337 1.239 0.000
H4 0.328 -1.796 0.935
H5 0.328 -1.796 -0.935
H6 0.325 2.027 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31512.54251.09201.09203.2681
C21.31511.23072.09922.09921.9983
N32.54251.23073.24403.24401.0289
H41.09202.09923.24401.86973.9352
H51.09202.09923.24401.86973.9352
H63.26811.99831.02893.93523.9352

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.169 C2 C1 H4 121.123
C2 C1 H5 121.123 C2 N3 H6 124.104
H4 C1 H5 117.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.469      
2 C 0.255      
3 N -0.498      
4 H 0.193      
5 H 0.193      
6 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.698 0.217 0.000 1.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.476 2.431 0.000
y 2.431 -14.066 0.000
z 0.000 0.000 -16.913
Traceless
 xyz
x -4.986 2.431 0.000
y 2.431 4.628 0.000
z 0.000 0.000 0.358
Polar
3z2-r20.717
x2-y2-6.409
xy2.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.884 -0.873 0.000
y -0.873 7.305 0.000
z 0.000 0.000 2.319


<r2> (average value of r2) Å2
<r2> 44.432
(<r2>)1/2 6.666