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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-133.931400
Energy at 298.15K-133.936939
HF Energy-133.931400
Nuclear repulsion energy72.426045
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 mPW1PW91/6-311G*
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' 3158 3014 38.09      
2 A' 3101 2960 29.77      
3 A' 3007 2870 87.01      
4 A' 2994 2857 46.54      
5 A' 1777 1696 20.14      
6 A' 1529 1459 24.46      
7 A' 1497 1429 1.45      
8 A' 1454 1388 1.02      
9 A' 1256 1199 18.42      
10 A' 1139 1087 0.23      
11 A' 999 953 15.17      
12 A' 482 460 6.08      
13 A" 3124 2982 21.62      
14 A" 1497 1428 6.51      
15 A" 1157 1104 0.36      
16 A" 1063 1014 21.00      
17 A" 705 673 1.54      
18 A" 221 211 8.42      

Unscaled Zero Point Vibrational Energy (zpe) 15079.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 14391.7 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 mPW1PW91/6-311G*
ABC
1.79081 0.35885 0.31634

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.070 -0.417 0.000
N2 0.000 0.551 0.000
C3 1.182 0.120 0.000
H4 -0.727 -1.462 0.000
H5 -1.699 -0.249 0.877
H6 -1.699 -0.249 -0.877
H7 1.442 -0.949 0.000
H8 2.009 0.830 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44252.31451.09981.09251.09252.56763.3210
N21.44251.25832.14022.07302.07302.08132.0279
C32.31451.25832.47893.03433.03431.10031.0897
H41.09982.14022.47891.78451.78452.22893.5685
H51.09252.07303.03431.78451.75373.33603.9602
H61.09252.07303.03431.78451.75373.33603.9602
H72.56762.08131.10032.22893.33603.33601.8669
H83.32102.02791.08973.56853.96023.96021.8669

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 117.798 N2 C1 H4 113.995
N2 C1 H5 108.945 N2 C1 H6 108.945
N2 C3 H7 123.740 N2 C3 H8 119.296
H4 C1 H5 108.975 H4 C1 H6 108.975
H5 C1 H6 106.759 H7 C3 H8 116.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.552      
2 N -0.228      
3 C -0.269      
4 H 0.188      
5 H 0.234      
6 H 0.234      
7 H 0.179      
8 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.338 -1.442 0.000 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.280 0.674 0.000
y 0.674 -20.855 0.000
z 0.000 0.000 -19.731
Traceless
 xyz
x 4.013 0.674 0.000
y 0.674 -2.850 0.000
z 0.000 0.000 -1.164
Polar
3z2-r2-2.328
x2-y24.575
xy0.674
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.210 0.053 0.000
y 0.053 4.211 0.000
z 0.000 0.000 2.987


<r2> (average value of r2) Å2
<r2> 48.147
(<r2>)1/2 6.939