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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-133.896334
Energy at 298.15K-133.901875
HF Energy-133.896334
Nuclear repulsion energy72.451897
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 B1B95/6-311G*
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' 3147 3017 39.51      
2 A' 3093 2965 29.80      
3 A' 2992 2869 97.33      
4 A' 2982 2859 38.75      
5 A' 1770 1697 20.19      
6 A' 1523 1460 24.06      
7 A' 1490 1428 1.41      
8 A' 1447 1387 1.08      
9 A' 1250 1198 18.88      
10 A' 1134 1087 0.22      
11 A' 993 952 14.79      
12 A' 486 466 6.04      
13 A" 3116 2987 21.60      
14 A" 1489 1428 6.03      
15 A" 1149 1101 0.40      
16 A" 1054 1011 20.32      
17 A" 703 674 1.54      
18 A" 225 215 8.19      

Unscaled Zero Point Vibrational Energy (zpe) 15021.8 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 14399.9 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 B1B95/6-311G*
ABC
1.78674 0.35960 0.31677

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.069 -0.416 0.000
N2 0.000 0.553 0.000
C3 1.181 0.118 0.000
H4 -0.723 -1.460 0.000
H5 -1.698 -0.250 0.876
H6 -1.698 -0.250 -0.876
H7 1.436 -0.952 0.000
H8 2.010 0.825 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44252.31211.09951.09191.09192.56163.3193
N21.44251.25832.13872.07302.07302.08022.0283
C32.31211.25832.47313.03223.03221.10031.0894
H41.09952.13872.47311.78401.78402.21853.5624
H51.09192.07303.03221.78401.75283.32983.9593
H61.09192.07303.03221.78401.75283.32983.9593
H72.56162.08021.10032.21853.32983.32981.8671
H83.31932.02831.08943.56243.95933.95931.8671

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 117.598 N2 C1 H4 113.890
N2 C1 H5 108.979 N2 C1 H6 108.979
N2 C3 H7 123.628 N2 C3 H8 119.357
H4 C1 H5 108.997 H4 C1 H6 108.997
H5 C1 H6 106.759 H7 C3 H8 117.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.548      
2 N -0.213      
3 C -0.268      
4 H 0.184      
5 H 0.231      
6 H 0.231      
7 H 0.174      
8 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.312 -1.408 0.000 1.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.360 0.675 0.000
y 0.675 -20.889 0.000
z 0.000 0.000 -19.738
Traceless
 xyz
x 3.953 0.675 0.000
y 0.675 -2.840 0.000
z 0.000 0.000 -1.113
Polar
3z2-r2-2.227
x2-y24.529
xy0.675
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.239 0.062 0.000
y 0.062 4.255 0.000
z 0.000 0.000 2.996


<r2> (average value of r2) Å2
<r2> 48.119
(<r2>)1/2 6.937