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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-132.996260
Energy at 298.15K-133.001898
HF Energy-132.996260
Nuclear repulsion energy72.257946
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 HF/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' 3375 3047 36.74      
2 A' 3257 2940 31.19      
3 A' 3225 2912 41.26      
4 A' 3158 2851 53.25      
5 A' 1902 1717 27.99      
6 A' 1668 1506 30.58      
7 A' 1640 1481 0.31      
8 A' 1607 1451 3.31      
9 A' 1369 1236 11.17      
10 A' 1238 1117 2.03      
11 A' 1023 924 14.99      
12 A' 494 446 7.97      
13 A" 3283 2964 24.81      
14 A" 1642 1483 5.38      
15 A" 1269 1146 0.01      
16 A" 1210 1093 30.73      
17 A" 753 680 0.98      
18 A" 226 204 12.77      

Unscaled Zero Point Vibrational Energy (zpe) 16168.2 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 14598.3 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 HF/6-31G
ABC
1.88984 0.34681 0.30955

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.089 -0.436 0.000
N2 0.000 0.528 0.000
C3 1.201 0.153 0.000
H4 -0.751 -1.470 0.000
H5 -1.704 -0.266 0.873
H6 -1.704 -0.266 -0.873
H7 1.502 -0.887 0.000
H8 1.985 0.886 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45422.36381.08811.08151.08152.62913.3456
N21.45421.25792.13512.07292.07292.06352.0168
C32.36381.25792.53873.06213.06211.08291.0732
H41.08812.13512.53871.76671.76672.32693.6107
H51.08152.07293.06211.76671.74533.38023.9621
H61.08152.07293.06211.76671.74533.38023.9621
H72.62912.06351.08292.32693.38023.38021.8376
H83.34562.01681.07323.61073.96213.96211.8376

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 121.115 N2 C1 H4 113.465
N2 C1 H5 108.781 N2 C1 H6 108.781
N2 C3 H7 123.486 N2 C3 H8 119.594
H4 C1 H5 109.035 H4 C1 H6 109.035
H5 C1 H6 107.581 H7 C3 H8 116.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 N -0.416      
3 C -0.110      
4 H 0.133      
5 H 0.186      
6 H 0.186      
7 H 0.138      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.418 -1.933 0.000 1.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.041 0.918 0.000
y 0.918 -21.429 0.000
z 0.000 0.000 -19.957
Traceless
 xyz
x 4.652 0.918 0.000
y 0.918 -3.430 0.000
z 0.000 0.000 -1.222
Polar
3z2-r2-2.444
x2-y25.388
xy0.918
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.955 -0.018 0.000
y -0.018 3.599 0.000
z 0.000 0.000 2.459


<r2> (average value of r2) Å2
<r2> 48.916
(<r2>)1/2 6.994