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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-133.069530
Energy at 298.15K-133.075177
HF Energy-133.069530
Nuclear repulsion energy72.767771
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' 3322 2998 43.15      
2 A' 3234 2919 44.61      
3 A' 3199 2887 48.62      
4 A' 3148 2842 54.99      
5 A' 1935 1746 36.52      
6 A' 1646 1485 23.68      
7 A' 1614 1457 0.52      
8 A' 1581 1427 6.91      
9 A' 1366 1233 20.63      
10 A' 1225 1106 0.82      
11 A' 1054 952 15.82      
12 A' 514 464 6.80      
13 A" 3255 2938 35.17      
14 A" 1612 1455 2.68      
15 A" 1253 1131 1.13      
16 A" 1196 1080 17.76      
17 A" 751 678 0.75      
18 A" 224 202 8.97      

Unscaled Zero Point Vibrational Energy (zpe) 16064.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 14499.5 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
1.83575 0.35904 0.31771

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 -1.068 -0.428 0.000
N2 0.000 0.544 0.000
C3 1.178 0.136 0.000
H4 -0.719 -1.460 0.000
H5 -1.691 -0.268 0.873
H6 -1.691 -0.268 -0.873
H7 1.452 -0.916 0.000
H8 1.989 0.850 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44402.31581.09001.08471.08472.56663.3130
N21.44401.24662.12962.06922.06922.05902.0122
C32.31581.24662.47983.02613.02611.08741.0799
H41.09002.12962.47981.76911.76912.23833.5595
H51.08472.06923.02611.76911.74693.32573.9437
H61.08472.06923.02611.76911.74693.32573.9437
H72.56662.05901.08742.23833.32573.32571.8455
H83.31302.01221.07993.55953.94373.94371.8455

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 118.607 N2 C1 H4 113.642
N2 C1 H5 108.997 N2 C1 H6 108.997
N2 C3 H7 123.674 N2 C3 H8 119.570
H4 C1 H5 108.876 H4 C1 H6 108.876
H5 C1 H6 107.260 H7 C3 H8 116.755
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 -0.155      
2 N -0.417      
3 C -0.008      
4 H 0.090      
5 H 0.132      
6 H 0.132      
7 H 0.097      
8 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.521 -1.652 0.000 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.143 0.671 0.000
y 0.671 -20.948 0.000
z 0.000 0.000 -19.759
Traceless
 xyz
x 4.211 0.671 0.000
y 0.671 -2.997 0.000
z 0.000 0.000 -1.214
Polar
3z2-r2-2.427
x2-y24.806
xy0.671
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.874 0.015 0.000
y 0.015 3.729 0.000
z 0.000 0.000 2.655


<r2> (average value of r2) Å2
<r2> 47.950
(<r2>)1/2 6.925