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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-22.268182
Energy at 298.15K-22.270863
HF Energy-22.268182
Nuclear repulsion energy31.489300
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 HF/CEP-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' 3764 3393 44.97      
2 A' 3366 3034 2.27      
3 A' 2204 1987 547.61      
4 A' 1573 1418 4.90      
5 A' 1221 1100 19.99      
6 A' 1026 925 448.66      
7 A' 905 816 176.16      
8 A' 491 442 28.00      
9 A" 3472 3130 3.82      
10 A" 1118 1008 0.51      
11 A" 983 886 102.67      
12 A" 441 397 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 10281.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 9267.5 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 HF/CEP-31G
ABC
7.03114 0.31308 0.30674

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -1.275 0.000
C2 0.000 0.062 0.000
N3 -0.196 1.281 0.000
H4 0.127 -1.813 0.933
H5 0.127 -1.813 -0.933
H6 0.573 1.936 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.33952.57201.07761.07763.2465
C21.33951.23522.09742.09741.9597
N32.57201.23523.24753.24751.0095
H41.07762.09743.24751.86623.8882
H51.07762.09743.24751.86623.8882
H63.24651.95971.00953.88823.8882

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.755 C2 C1 H4 120.011
C2 C1 H5 120.011 C2 N3 H6 121.289
H4 C1 H5 119.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.561      
2 C -0.135      
3 N -0.021      
4 H 0.197      
5 H 0.197      
6 H 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.015 -0.428 0.000 2.060
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.787 3.653 0.000
y 3.653 -16.318 0.000
z 0.000 0.000 -17.497
Traceless
 xyz
x -3.879 3.653 0.000
y 3.653 2.824 0.000
z 0.000 0.000 1.055
Polar
3z2-r22.110
x2-y2-4.469
xy3.653
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.065 -0.264 0.000
y -0.264 7.905 0.000
z 0.000 0.000 2.270


<r2> (average value of r2) Å2
<r2> 38.734
(<r2>)1/2 6.224