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All results from a given calculation for CH2NCH3 (N-methylmethanimine)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-133.942341
Energy at 298.15K-133.947867
HF Energy-133.942341
Nuclear repulsion energy72.023682
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/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' 3156 3030 37.76      
2 A' 3085 2963 28.72      
3 A' 3009 2889 67.22      
4 A' 2986 2868 49.26      
5 A' 1762 1692 21.10      
6 A' 1537 1476 18.71      
7 A' 1506 1447 2.01      
8 A' 1464 1406 3.30      
9 A' 1255 1205 14.65      
10 A' 1141 1095 0.60      
11 A' 975 937 13.53      
12 A' 479 460 5.94      
13 A" 3107 2984 21.68      
14 A" 1507 1447 3.69      
15 A" 1157 1111 0.23      
16 A" 1059 1017 16.52      
17 A" 701 673 0.96      
18 A" 227 218 8.08      

Unscaled Zero Point Vibrational Energy (zpe) 15055.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 14457.9 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/6-31G*
ABC
1.77221 0.35447 0.31251

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.077 -0.419 0.000
N2 0.000 0.555 0.000
C3 1.189 0.120 0.000
H4 -0.735 -1.468 0.000
H5 -1.708 -0.252 0.881
H6 -1.708 -0.252 -0.881
H7 1.454 -0.950 0.000
H8 2.019 0.830 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45232.32931.10331.09651.09652.58573.3384
N21.45231.26652.15302.08412.08412.09282.0378
C32.32931.26652.49533.05093.05091.10231.0921
H41.10332.15302.49531.78961.78962.24963.5872
H51.09652.08413.05091.78961.76143.35573.9796
H61.09652.08413.05091.78961.76143.35573.9796
H72.58572.09281.10232.24963.35573.35571.8675
H83.33842.03781.09213.58723.97963.97961.8675

picture of N-methylmethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 117.747 N2 C1 H4 114.116
N2 C1 H5 108.915 N2 C1 H6 108.915
N2 C3 H7 123.992 N2 C3 H8 119.355
H4 C1 H5 108.889 H4 C1 H6 108.889
H5 C1 H6 106.872 H7 C3 H8 116.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.321      
2 N -0.281      
3 C -0.126      
4 H 0.127      
5 H 0.166      
6 H 0.166      
7 H 0.120      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.307 -1.408 0.000 1.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.306 0.642 0.000
y 0.642 -20.722 0.000
z 0.000 0.000 -19.493
Traceless
 xyz
x 3.801 0.642 0.000
y 0.642 -2.822 0.000
z 0.000 0.000 -0.979
Polar
3z2-r2-1.957
x2-y24.416
xy0.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.004 0.095 0.000
y 0.095 3.962 0.000
z 0.000 0.000 2.670


<r2> (average value of r2) Å2
<r2> 48.500
(<r2>)1/2 6.964