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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-133.942340
Energy at 298.15K-133.947867
HF Energy-133.942340
Nuclear repulsion energy72.023327
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 B3LYPultrafine/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' 3155 3022 37.74      
2 A' 3085 2955 28.73      
3 A' 3008 2882 67.13      
4 A' 2986 2861 49.31      
5 A' 1762 1688 21.05      
6 A' 1537 1473 18.78      
7 A' 1506 1443 2.01      
8 A' 1464 1403 3.29      
9 A' 1255 1202 14.61      
10 A' 1140 1092 0.59      
11 A' 975 934 13.55      
12 A' 480 460 5.95      
13 A" 3106 2976 21.69      
14 A" 1507 1444 3.69      
15 A" 1156 1108 0.22      
16 A" 1059 1015 16.50      
17 A" 701 672 0.96      
18 A" 227 217 8.09      

Unscaled Zero Point Vibrational Energy (zpe) 15054.6 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 14422.3 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 B3LYPultrafine/6-31G*
ABC
1.77226 0.35446 0.31250

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/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 -1.469 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
C11.45232.32931.10331.09651.09652.58563.3385
N21.45231.26652.15312.08422.08422.09282.0378
C32.32931.26652.49543.05093.05091.10231.0921
H41.10332.15312.49541.78961.78962.24963.5874
H51.09652.08423.05091.78961.76133.35573.9797
H61.09652.08423.05091.78961.76133.35573.9797
H72.58562.09281.10232.24963.35573.35571.8676
H83.33852.03781.09213.58743.97973.97971.8676

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 117.748 N2 C1 H4 114.122
N2 C1 H5 108.917 N2 C1 H6 108.917
N2 C3 H7 123.985 N2 C3 H8 119.357
H4 C1 H5 108.886 H4 C1 H6 108.886
H5 C1 H6 106.865 H7 C3 H8 116.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/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-r2-1.958
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> 48.501
(<r2>)1/2 6.964