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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-133.161364
Energy at 298.15K-133.166899
HF Energy-133.161364
Nuclear repulsion energy71.604770
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 mPW1PW91/3-21G*
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' 3178 3018 35.37      
2 A' 3120 2963 17.35      
3 A' 3021 2868 52.47      
4 A' 3009 2857 38.31      
5 A' 1728 1641 16.37      
6 A' 1566 1488 28.04      
7 A' 1533 1456 1.11      
8 A' 1472 1398 4.13      
9 A' 1247 1184 5.37      
10 A' 1144 1086 1.83      
11 A' 922 876 11.28      
12 A' 469 445 7.67      
13 A" 3147 2989 12.86      
14 A" 1549 1471 7.11      
15 A" 1157 1099 0.70      
16 A" 1091 1036 31.66      
17 A" 711 675 1.69      
18 A" 233 221 10.37      

Unscaled Zero Point Vibrational Energy (zpe) 15147.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 14384.2 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 mPW1PW91/3-21G*
ABC
1.76617 0.34778 0.30721

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.088 -0.436 0.000
N2 0.000 0.558 0.000
C3 1.198 0.133 0.000
H4 -0.738 -1.480 0.000
H5 -1.710 -0.263 0.883
H6 -1.710 -0.263 -0.883
H7 1.478 -0.929 0.000
H8 2.018 0.847 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.47372.35631.10131.09371.09372.61333.3613
N21.47371.27132.16742.09212.09212.09662.0391
C32.35631.27132.52013.06503.06501.09841.0876
H41.10132.16742.52011.79061.79062.28353.6075
H51.09372.09213.06501.79061.76613.37453.9891
H61.09372.09213.06501.79061.76613.37453.9891
H72.61332.09661.09842.28353.37453.37451.8568
H83.36132.03911.08763.60753.98913.98911.8568

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 118.079 N2 C1 H4 113.853
N2 C1 H5 108.237 N2 C1 H6 108.237
N2 C3 H7 124.278 N2 C3 H8 119.433
H4 C1 H5 109.325 H4 C1 H6 109.325
H5 C1 H6 107.683 H7 C3 H8 116.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.498      
2 N -0.420      
3 C -0.164      
4 H 0.191      
5 H 0.244      
6 H 0.244      
7 H 0.179      
8 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.192 -1.612 0.000 1.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.924 0.884 0.000
y 0.884 -20.758 0.000
z 0.000 0.000 -19.619
Traceless
 xyz
x 4.264 0.884 0.000
y 0.884 -2.987 0.000
z 0.000 0.000 -1.278
Polar
3z2-r2-2.555
x2-y24.834
xy0.884
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.681 0.118 0.000
y 0.118 3.591 0.000
z 0.000 0.000 2.348


<r2> (average value of r2) Å2
<r2> 48.988
(<r2>)1/2 6.999