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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-133.949078
Energy at 298.15K-133.954605
HF Energy-133.949078
Nuclear repulsion energy72.031394
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' 3147 3023 36.44      
2 A' 3080 2960 28.08      
3 A' 2998 2881 65.00      
4 A' 2979 2862 46.75      
5 A' 1758 1689 20.01      
6 A' 1524 1464 18.07      
7 A' 1493 1435 2.92      
8 A' 1449 1392 2.89      
9 A' 1248 1199 14.74      
10 A' 1132 1088 0.55      
11 A' 972 934 13.38      
12 A' 477 458 5.90      
13 A" 3102 2980 20.78      
14 A" 1491 1433 3.60      
15 A" 1148 1103 0.21      
16 A" 1062 1020 15.99      
17 A" 700 673 0.94      
18 A" 226 217 8.11      

Unscaled Zero Point Vibrational Energy (zpe) 14992.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 14404.7 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
1.77309 0.35448 0.31249

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 -1.076 -0.420 0.000
N2 0.000 0.556 0.000
C3 1.190 0.120 0.000
H4 -0.736 -1.468 0.000
H5 -1.708 -0.253 0.879
H6 -1.708 -0.253 -0.879
H7 1.454 -0.949 0.000
H8 2.019 0.830 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45232.32921.10241.09571.09572.58473.3380
N21.45231.26662.15312.08442.08442.09232.0375
C32.32921.26662.49593.05113.05111.10181.0917
H41.10242.15312.49591.78781.78782.24993.5874
H51.09572.08443.05111.78781.75883.35493.9796
H61.09572.08443.05111.78781.75883.35493.9796
H72.58472.09231.10182.24993.35493.35491.8671
H83.33802.03751.09173.58743.97963.97961.8671

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 117.726 N2 C1 H4 114.181
N2 C1 H5 108.973 N2 C1 H6 108.973
N2 C3 H7 123.964 N2 C3 H8 119.348
H4 C1 H5 108.849 H4 C1 H6 108.849
H5 C1 H6 106.759 H7 C3 H8 116.688
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 -0.186      
2 N -0.313      
3 C -0.024      
4 H 0.085      
5 H 0.126      
6 H 0.126      
7 H 0.079      
8 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.298 -1.411 0.000 1.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.293 0.654 0.000
y 0.654 -20.721 0.000
z 0.000 0.000 -19.479
Traceless
 xyz
x 3.807 0.654 0.000
y 0.654 -2.835 0.000
z 0.000 0.000 -0.972
Polar
3z2-r2-1.944
x2-y24.428
xy0.654
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.077 0.107 0.000
y 0.107 4.012 0.000
z 0.000 0.000 2.728


<r2> (average value of r2) Å2
<r2> 48.491
(<r2>)1/2 6.964