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

using model chemistry: PBEPBE/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-133.769838
Energy at 298.15K-133.775310
HF Energy-133.769838
Nuclear repulsion energy71.799278
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(2df,p)
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' 3064 3032 30.26      
2 A' 3007 2976 21.81      
3 A' 2906 2876 77.10      
4 A' 2898 2868 36.58      
5 A' 1696 1679 14.18      
6 A' 1458 1443 16.65      
7 A' 1426 1412 4.25      
8 A' 1380 1365 1.74      
9 A' 1195 1183 15.76      
10 A' 1086 1075 0.26      
11 A' 956 946 12.91      
12 A' 460 455 5.99      
13 A" 3030 2999 13.33      
14 A" 1425 1410 3.81      
15 A" 1106 1094 0.19      
16 A" 1013 1002 15.54      
17 A" 682 675 1.35      
18 A" 225 223 7.34      

Unscaled Zero Point Vibrational Energy (zpe) 14505.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 14356.4 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(2df,p)
ABC
1.74591 0.35421 0.31162

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.077 -0.414 0.000
N2 0.000 0.559 0.000
C3 1.191 0.112 0.000
H4 -0.736 -1.471 0.000
H5 -1.715 -0.243 0.884
H6 -1.715 -0.243 -0.884
H7 1.448 -0.969 0.000
H8 2.032 0.821 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45132.32821.11101.10381.10382.58503.3447
N21.45131.27272.16022.09002.09002.10542.0484
C32.32821.27272.49463.05893.05891.11101.0996
H41.11102.16022.49461.80241.80242.24133.5942
H51.10382.09003.05891.80241.76793.36383.9942
H61.10382.09003.05891.80241.76793.36383.9942
H72.58502.10541.11102.24133.36383.36381.8832
H83.34472.04841.09963.59423.99423.99421.8832

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 117.304 N2 C1 H4 114.272
N2 C1 H5 108.999 N2 C1 H6 108.999
N2 C3 H7 123.935 N2 C3 H8 119.231
H4 C1 H5 108.935 H4 C1 H6 108.935
H5 C1 H6 106.409 H7 C3 H8 116.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 N -0.075      
3 C -0.206      
4 H 0.108      
5 H 0.146      
6 H 0.146      
7 H 0.100      
8 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.246 -1.255 0.000 1.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.376 0.594 0.000
y 0.594 -20.545 0.000
z 0.000 0.000 -19.419
Traceless
 xyz
x 3.606 0.594 0.000
y 0.594 -2.647 0.000
z 0.000 0.000 -0.958
Polar
3z2-r2-1.916
x2-y24.169
xy0.594
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.332 0.190 0.000
y 0.190 4.288 0.000
z 0.000 0.000 3.055


<r2> (average value of r2) Å2
<r2> 48.606
(<r2>)1/2 6.972