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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-133.766704
Energy at 298.15K-133.772180
HF Energy-133.766704
Nuclear repulsion energy71.684896
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 PBEPBE/6-31G**
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' 3076 3034 34.53      
2 A' 3017 2976 23.35      
3 A' 2913 2873 81.75      
4 A' 2904 2864 40.10      
5 A' 1702 1679 15.17      
6 A' 1472 1452 17.34      
7 A' 1441 1421 4.58      
8 A' 1393 1374 1.37      
9 A' 1202 1185 13.28      
10 A' 1093 1078 0.45      
11 A' 957 944 13.53      
12 A' 462 455 5.69      
13 A" 3041 3000 15.98      
14 A" 1439 1419 4.21      
15 A" 1106 1091 0.05      
16 A" 1014 1000 17.53      
17 A" 683 673 1.40      
18 A" 228 225 8.33      

Unscaled Zero Point Vibrational Energy (zpe) 14570.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 14371.0 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 PBEPBE/6-31G**
ABC
1.73947 0.35306 0.31052

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.079 -0.413 0.000
N2 0.000 0.561 0.000
C3 1.194 0.110 0.000
H4 -0.744 -1.473 0.000
H5 -1.717 -0.241 0.884
H6 -1.717 -0.241 -0.884
H7 1.452 -0.971 0.000
H8 2.034 0.821 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45352.33231.11151.10381.10382.59203.3485
N21.45351.27612.16592.09092.09092.11102.0505
C32.33231.27612.50293.06233.06231.11181.1001
H41.11152.16592.50291.80161.80162.25333.6028
H51.10382.09093.06231.80161.76823.37033.9972
H61.10382.09093.06231.80161.76823.37033.9972
H72.59202.11101.11182.25333.37033.37031.8837
H83.34852.05051.10013.60283.99723.99721.8837

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 117.247 N2 C1 H4 114.563
N2 C1 H5 108.929 N2 C1 H6 108.929
N2 C3 H7 124.115 N2 C3 H8 119.114
H4 C1 H5 108.834 H4 C1 H6 108.834
H5 C1 H6 106.445 H7 C3 H8 116.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 N -0.286      
3 C -0.061      
4 H 0.100      
5 H 0.143      
6 H 0.143      
7 H 0.088      
8 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.224 -1.341 0.000 1.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.287 0.655 0.000
y 0.655 -20.704 0.000
z 0.000 0.000 -19.504
Traceless
 xyz
x 3.817 0.655 0.000
y 0.655 -2.809 0.000
z 0.000 0.000 -1.008
Polar
3z2-r2-2.016
x2-y24.417
xy0.655
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.265 0.131 0.000
y 0.131 4.183 0.000
z 0.000 0.000 2.783


<r2> (average value of r2) Å2
<r2> 48.759
(<r2>)1/2 6.983