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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-133.116723
Energy at 298.15K-133.122370
HF Energy-133.116723
Nuclear repulsion energy72.937502
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/Def2TZVPP
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' 3288 2981 35.80      
2 A' 3209 2908 42.25      
3 A' 3169 2872 55.31      
4 A' 3128 2836 56.51      
5 A' 1907 1728 32.91      
6 A' 1633 1480 28.30      
7 A' 1602 1452 0.01      
8 A' 1568 1422 5.26      
9 A' 1360 1233 22.41      
10 A' 1219 1105 0.50      
11 A' 1044 947 16.06      
12 A' 514 466 7.23      
13 A" 3226 2924 29.06      
14 A" 1599 1450 4.55      
15 A" 1250 1133 1.01      
16 A" 1199 1087 21.09      
17 A" 747 677 0.85      
18 A" 222 201 8.72      

Unscaled Zero Point Vibrational Energy (zpe) 15942.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 14450.3 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/Def2TZVPP
ABC
1.85251 0.36002 0.31893

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.057 -0.426 0.000
N2 0.000 0.542 0.000
C3 1.168 0.137 0.000
H4 -0.712 -1.458 0.000
H5 -1.681 -0.271 0.870
H6 -1.681 -0.271 -0.870
H7 1.434 -0.913 0.000
H8 1.976 0.849 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.43322.29471.08891.08201.08202.53853.2893
N21.43321.23612.12382.06062.06062.04361.9991
C32.29471.23612.46583.00683.00681.08371.0766
H41.08892.12382.46581.76221.76222.21473.5423
H51.08202.06063.00681.76221.74043.29783.9222
H61.08202.06063.00681.76221.74043.29783.9222
H72.53852.04361.08372.21473.29783.29781.8434
H83.28931.99911.07663.54233.92223.92221.8434

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 118.372 N2 C1 H4 114.030
N2 C1 H5 109.222 N2 C1 H6 109.222
N2 C3 H7 123.381 N2 C3 H8 119.467
H4 C1 H5 108.530 H4 C1 H6 108.530
H5 C1 H6 107.076 H7 C3 H8 117.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.008      
2 N -0.323      
3 C 0.060      
4 H 0.032      
5 H 0.070      
6 H 0.070      
7 H 0.032      
8 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.553 -1.595 0.000 1.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.310 0.633 0.000
y 0.633 -21.068 0.000
z 0.000 0.000 -19.933
Traceless
 xyz
x 4.190 0.633 0.000
y 0.633 -2.946 0.000
z 0.000 0.000 -1.244
Polar
3z2-r2-2.488
x2-y24.757
xy0.633
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.384 0.054 0.000
y 0.054 4.314 0.000
z 0.000 0.000 3.528


<r2> (average value of r2) Å2
<r2> 47.907
(<r2>)1/2 6.921