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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-133.973507
Energy at 298.15K-133.979034
HF Energy-133.973507
Nuclear repulsion energy72.162210
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/6-311G*
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' 3126 3020 40.86      
2 A' 3068 2965 31.15      
3 A' 2976 2875 102.37      
4 A' 2963 2863 40.29      
5 A' 1746 1687 19.96      
6 A' 1524 1472 23.31      
7 A' 1493 1443 1.24      
8 A' 1452 1403 1.85      
9 A' 1249 1207 18.22      
10 A' 1135 1096 0.24      
11 A' 968 936 15.16      
12 A' 482 466 6.26      
13 A" 3088 2984 24.51      
14 A" 1493 1443 5.79      
15 A" 1153 1114 0.52      
16 A" 1053 1018 19.95      
17 A" 701 677 1.50      
18 A" 220 213 7.90      

Unscaled Zero Point Vibrational Energy (zpe) 14944.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 14440.7 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/6-311G*
ABC
1.78666 0.35512 0.31335

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.075 -0.423 0.000
N2 0.000 0.552 0.000
C3 1.187 0.126 0.000
H4 -0.730 -1.468 0.000
H5 -1.705 -0.256 0.878
H6 -1.705 -0.256 -0.878
H7 1.454 -0.943 0.000
H8 2.012 0.839 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45132.32761.10111.09371.09372.58223.3348
N21.45131.26162.14862.08172.08172.08602.0322
C32.32761.26162.49323.04703.04701.10141.0906
H41.10112.14862.49321.78651.78652.24663.5836
H51.09372.08173.04701.78651.75603.35063.9736
H61.09372.08173.04701.78651.75603.35063.9736
H72.58222.08601.10142.24663.35063.35061.8674
H83.33482.03221.09063.58363.97363.97361.8674

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 118.011 N2 C1 H4 113.954
N2 C1 H5 108.956 N2 C1 H6 108.956
N2 C3 H7 123.813 N2 C3 H8 119.349
H4 C1 H5 108.969 H4 C1 H6 108.969
H5 C1 H6 106.796 H7 C3 H8 116.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.518      
2 N -0.207      
3 C -0.259      
4 H 0.175      
5 H 0.220      
6 H 0.220      
7 H 0.165      
8 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.325 -1.399 0.000 1.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.559 0.696 0.000
y 0.696 -21.078 0.000
z 0.000 0.000 -19.889
Traceless
 xyz
x 3.924 0.696 0.000
y 0.696 -2.854 0.000
z 0.000 0.000 -1.070
Polar
3z2-r2-2.140
x2-y24.519
xy0.696
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.308 0.076 0.000
y 0.076 4.290 0.000
z 0.000 0.000 3.013


<r2> (average value of r2) Å2
<r2> 48.604
(<r2>)1/2 6.972