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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-133.136189
Energy at 298.15K-133.141647
HF Energy-133.136189
Nuclear repulsion energy70.752287
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 BLYP/3-21G*
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' 3052 3032 43.30      
2 A' 3008 2989 21.66      
3 A' 2898 2879 80.08      
4 A' 2885 2867 38.84      
5 A' 1630 1619 13.97      
6 A' 1524 1514 21.68      
7 A' 1485 1475 1.27      
8 A' 1421 1412 6.53      
9 A' 1199 1191 5.04      
10 A' 1101 1094 1.86      
11 A' 842 837 10.07      
12 A' 456 453 6.94      
13 A" 3031 3012 18.96      
14 A" 1510 1500 4.85      
15 A" 1115 1108 0.09      
16 A" 1034 1027 26.08      
17 A" 687 682 1.40      
18 A" 231 229 8.32      

Unscaled Zero Point Vibrational Energy (zpe) 14553.8 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 14459.2 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 BLYP/3-21G*
ABC
1.70790 0.34037 0.29995

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.100 -0.447 0.000
N2 0.000 0.572 0.000
C3 1.210 0.134 0.000
H4 -0.743 -1.498 0.000
H5 -1.726 -0.273 0.890
H6 -1.726 -0.273 -0.890
H7 1.497 -0.937 0.000
H8 2.039 0.853 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.49912.38201.11041.10221.10222.64293.3973
N21.49911.28652.19912.11792.11792.12512.0581
C32.38201.28652.54533.09493.09491.10891.0970
H41.11042.19912.54531.80561.80562.30933.6422
H51.10222.11793.09491.80561.78083.40904.0292
H61.10222.11793.09491.80561.78083.40904.0292
H72.64292.12511.10892.30933.40903.40901.8699
H83.39732.05811.09703.64224.02924.02921.8699

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 117.339 N2 C1 H4 114.028
N2 C1 H5 108.037 N2 C1 H6 108.037
N2 C3 H7 124.876 N2 C3 H8 119.206
H4 C1 H5 109.388 H4 C1 H6 109.388
H5 C1 H6 107.773 H7 C3 H8 115.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.415      
2 N -0.363      
3 C -0.119      
4 H 0.159      
5 H 0.206      
6 H 0.206      
7 H 0.143      
8 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.126 -1.432 0.000 1.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.358 0.862 0.000
y 0.862 -20.841 0.000
z 0.000 0.000 -19.619
Traceless
 xyz
x 3.873 0.862 0.000
y 0.862 -2.853 0.000
z 0.000 0.000 -1.020
Polar
3z2-r2-2.039
x2-y24.484
xy0.862
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.891 0.186 0.000
y 0.186 3.760 0.000
z 0.000 0.000 2.397


<r2> (average value of r2) Å2
<r2> 49.959
(<r2>)1/2 7.068