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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-93.494780
Energy at 298.15K 
HF Energy-93.494780
Nuclear repulsion energy33.214765
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/3-21G*
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' 3577 3229 1.14      
2 A' 3329 3005 41.97      
3 A' 3225 2910 30.33      
4 A' 1849 1669 13.38      
5 A' 1641 1481 9.02      
6 A' 1483 1339 74.57      
7 A' 1173 1059 55.49      
8 A" 1285 1160 63.21      
9 A" 1234 1114 27.29      

Unscaled Zero Point Vibrational Energy (zpe) 9397.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 8482.5 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/3-21G*
ABC
6.96724 1.17199 1.00324

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.054 0.583 0.000
N2 0.054 -0.673 0.000
H3 -0.827 1.208 0.000
H4 0.992 1.107 0.000
H5 -0.866 -1.101 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.25651.08051.07451.9189
N21.25652.07772.01251.0145
H31.08052.07771.82222.3092
H41.07452.01251.82222.8858
H51.91891.01452.30922.8858

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 114.916 N2 C1 H3 125.339
N2 C1 H4 119.196 H3 C1 H4 115.465
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 N -0.580      
3 H 0.183      
4 H 0.216      
5 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.689 1.442 0.000 2.220
CHELPG -1.680 1.377 0.000 2.172
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.673 2.285 0.000
y 2.285 -12.475 0.000
z 0.000 0.000 -13.474
Traceless
 xyz
x 1.301 2.285 0.000
y 2.285 0.098 0.000
z 0.000 0.000 -1.399
Polar
3z2-r2-2.798
x2-y20.802
xy2.285
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.150 0.354 0.000
y 0.354 3.491 0.000
z 0.000 0.000 0.825


<r2> (average value of r2) Å2
<r2> 19.400
(<r2>)1/2 4.405