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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: B3LYP/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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-17.323124
Energy at 298.15K 
HF Energy-17.323124
Nuclear repulsion energy18.940352
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3432 3315 6.56      
2 A' 3144 3037 49.49      
3 A' 3034 2930 67.91      
4 A' 1700 1642 27.62      
5 A' 1484 1433 6.50      
6 A' 1374 1327 37.21      
7 A' 1072 1035 30.63      
8 A" 1153 1114 54.88      
9 A" 1083 1046 20.40      

Unscaled Zero Point Vibrational Energy (zpe) 8738.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8439.1 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 B3LYP/CEP-31G*
ABC
6.43111 1.13071 0.96164

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.076 0.576 0.000
N2 0.076 -0.713 0.000
H3 -0.829 1.215 0.000
H4 1.043 1.104 0.000
H5 -0.898 -1.057 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.28921.10821.10221.9010
N21.28922.13052.05891.0324
H31.10822.13051.87572.2733
H41.10222.05891.87572.9047
H51.90101.03242.27332.9047

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 109.440 N2 C1 H3 125.240
N2 C1 H4 118.646 H3 C1 H4 116.114
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.532      
2 N -0.092      
3 H 0.187      
4 H 0.203      
5 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.507 1.586 0.000 2.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.390 2.108 0.000
y 2.108 -12.509 0.000
z 0.000 0.000 -13.581
Traceless
 xyz
x 1.655 2.108 0.000
y 2.108 -0.024 0.000
z 0.000 0.000 -1.632
Polar
3z2-r2-3.263
x2-y21.119
xy2.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.432 0.275 -0.000
y 0.275 3.662 0.000
z -0.000 0.000 1.506


<r2> (average value of r2) Å2
<r2> 18.121
(<r2>)1/2 4.257