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

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-133.997326
Energy at 298.15K-134.002848
HF Energy-133.997326
Nuclear repulsion energy72.288685
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 B3LYP/aug-cc-pVTZ
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' 3124 3023 26.66      
2 A' 3064 2964 22.54      
3 A' 2977 2880 85.49      
4 A' 2966 2869 41.75      
5 A' 1737 1680 18.10      
6 A' 1508 1459 22.42      
7 A' 1479 1431 1.09      
8 A' 1434 1388 1.31      
9 A' 1239 1199 18.12      
10 A' 1125 1088 0.21      
11 A' 961 930 13.95      
12 A' 476 461 6.23      
13 A" 3081 2981 13.39      
14 A" 1476 1428 5.79      
15 A" 1144 1107 0.58      
16 A" 1065 1030 20.77      
17 A" 696 674 0.95      
18 A" 216 209 8.04      

Unscaled Zero Point Vibrational Energy (zpe) 14884.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 14400.4 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 B3LYP/aug-cc-pVTZ
ABC
1.80507 0.35527 0.31397

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.075 -0.423 0.000
N2 0.000 0.548 0.000
C3 1.187 0.129 0.000
H4 -0.726 -1.464 0.000
H5 -1.703 -0.256 0.877
H6 -1.703 -0.256 -0.877
H7 1.450 -0.937 0.000
H8 2.008 0.842 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44912.32881.09791.09121.09122.57693.3324
N21.44911.25942.13982.07762.07762.07602.0291
C32.32881.25942.49003.04493.04491.09781.0873
H41.09792.13982.49001.78371.78372.23943.5771
H51.09122.07763.04491.78371.75313.34283.9680
H61.09122.07763.04491.78371.75313.34283.9680
H72.57692.07601.09782.23943.34283.34281.8648
H83.33242.02911.08733.57713.96803.96801.8648

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 118.424 N2 C1 H4 113.593
N2 C1 H5 108.927 N2 C1 H6 108.927
N2 C3 H7 123.313 N2 C3 H8 119.515
H4 C1 H5 109.142 H4 C1 H6 109.142
H5 C1 H6 106.895 H7 C3 H8 117.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.545      
2 N -0.306      
3 C -0.679      
4 H 0.258      
5 H 0.246      
6 H 0.246      
7 H 0.370      
8 H 0.408      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.390 -1.463 0.000 1.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.684 0.682 0.000
y 0.682 -21.436 0.000
z 0.000 0.000 -20.019
Traceless
 xyz
x 4.044 0.682 0.000
y 0.682 -3.085 0.000
z 0.000 0.000 -0.959
Polar
3z2-r2-1.918
x2-y24.752
xy0.682
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.000 0.127 0.000
y 0.127 5.285 0.000
z 0.000 0.000 4.120


<r2> (average value of r2) Å2
<r2> 48.640
(<r2>)1/2 6.974