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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-93.995553
Energy at 298.15K 
HF Energy-93.995553
Nuclear repulsion energy32.979730
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/SDD
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' 3713 3343 3.72      
2 A' 3395 3057 41.92      
3 A' 3267 2942 50.33      
4 A' 1828 1646 17.98      
5 A' 1618 1457 17.69      
6 A' 1454 1309 58.07      
7 A' 1148 1033 56.52      
8 A" 1266 1140 81.03      
9 A" 1238 1115 23.15      

Unscaled Zero Point Vibrational Energy (zpe) 9462.9 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 8520.4 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/SDD
ABC
6.96348 1.14855 0.98593

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.054 0.593 0.000
N2 0.054 -0.679 0.000
H3 -0.837 1.207 0.000
H4 0.995 1.111 0.000
H5 -0.854 -1.121 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.27171.08201.07471.9391
N21.27172.08552.02261.0092
H31.08202.08551.83472.3278
H41.07472.02261.83472.8983
H51.93911.00922.32782.8983

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 115.984 N2 C1 H3 124.570
N2 C1 H4 118.851 H3 C1 H4 116.579
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 N -0.361      
3 H 0.163      
4 H 0.191      
5 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.860 1.733 0.000 2.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.850 2.504 0.000
y 2.504 -12.633 0.000
z 0.000 0.000 -13.909
Traceless
 xyz
x 1.421 2.504 0.000
y 2.504 0.247 0.000
z 0.000 0.000 -1.667
Polar
3z2-r2-3.335
x2-y20.783
xy2.504
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.210 0.292 0.000
y 0.292 3.871 0.000
z 0.000 0.000 1.115


<r2> (average value of r2) Å2
<r2> 19.733
(<r2>)1/2 4.442