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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-132.255370
Energy at 298.15K-132.260674
HF Energy-132.255370
Nuclear repulsion energy70.161410
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/STO-3G
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' 3457 3085 5.35      
2 A' 3441 3070 3.79      
3 A' 3285 2932 1.33      
4 A' 3267 2916 3.70      
5 A' 1766 1576 7.87      
6 A' 1657 1479 11.07      
7 A' 1561 1393 1.46      
8 A' 1550 1383 5.11      
9 A' 1276 1139 2.49      
10 A' 1148 1025 2.15      
11 A' 969 865 2.47      
12 A' 501 447 2.86      
13 A" 3450 3079 0.13      
14 A" 1650 1472 3.91      
15 A" 1179 1052 0.09      
16 A" 1037 926 17.76      
17 A" 737 657 0.00      
18 A" 175 156 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 16052.7 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 14325.4 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 B3LYP/STO-3G
ABC
1.57871 0.34330 0.29804

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.097 -0.448 0.000
N2 0.000 0.613 0.000
C3 1.206 0.105 0.000
H4 -0.717 -1.487 0.000
H5 -1.727 -0.288 0.894
H6 -1.727 -0.288 -0.894
H7 1.453 -0.976 0.000
H8 2.064 0.801 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.52672.36941.10671.10531.10532.60503.3992
N21.52671.30912.21942.14362.14362.15382.0727
C32.36941.30912.49683.09223.09221.10911.1042
H41.10672.21942.49681.80531.80532.22963.6010
H51.10532.14363.09221.80531.78773.37514.0448
H61.10532.14363.09221.80531.78773.37514.0448
H72.60502.15381.10912.22963.37513.37511.8787
H83.39922.07271.10423.60104.04484.04481.8787

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 113.119 N2 C1 H4 113.920
N2 C1 H5 107.996 N2 C1 H6 107.996
N2 C3 H7 125.709 N2 C3 H8 118.127
H4 C1 H5 109.406 H4 C1 H6 109.406
H5 C1 H6 107.944 H7 C3 H8 116.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 N -0.200      
3 C -0.055      
4 H 0.074      
5 H 0.092      
6 H 0.092      
7 H 0.070      
8 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.189 -1.553 0.000 1.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.848 0.555 0.000
y 0.555 -19.200 0.000
z 0.000 0.000 -18.056
Traceless
 xyz
x 2.780 0.555 0.000
y 0.555 -2.248 0.000
z 0.000 0.000 -0.533
Polar
3z2-r2-1.065
x2-y23.352
xy0.555
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.718 0.125 0.000
y 0.125 1.931 0.000
z 0.000 0.000 1.264


<r2> (average value of r2) Å2
<r2> 49.344
(<r2>)1/2 7.025