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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-133.956071
Energy at 298.15K-133.961588
HF Energy-133.956071
Nuclear repulsion energy71.979931
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/6-31+G**
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' 3155 3042 28.14      
2 A' 3080 2970 25.01      
3 A' 2996 2889 76.99      
4 A' 2975 2869 56.75      
5 A' 1745 1682 18.34      
6 A' 1514 1460 21.67      
7 A' 1484 1431 2.65      
8 A' 1442 1391 0.78      
9 A' 1242 1197 15.41      
10 A' 1128 1087 0.29      
11 A' 968 934 14.99      
12 A' 478 461 5.44      
13 A" 3102 2990 15.16      
14 A" 1481 1428 6.37      
15 A" 1144 1103 0.59      
16 A" 1059 1021 23.52      
17 A" 696 671 1.08      
18 A" 220 212 9.44      

Unscaled Zero Point Vibrational Energy (zpe) 14953.3 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 14417.9 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/6-31+G**
ABC
1.77836 0.35327 0.31174

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.079 -0.420 0.000
N2 0.000 0.554 0.000
C3 1.193 0.122 0.000
H4 -0.733 -1.467 0.000
H5 -1.709 -0.251 0.880
H6 -1.709 -0.251 -0.880
H7 1.451 -0.949 0.000
H8 2.019 0.834 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45332.33521.10261.09551.09552.58463.3420
N21.45331.26832.14982.08402.08402.08902.0383
C32.33521.26832.49683.05503.05501.10191.0908
H41.10262.14982.49681.79051.79052.24483.5874
H51.09552.08403.05501.79051.75993.35383.9812
H61.09552.08403.05501.79051.75993.35383.9812
H72.58462.08901.10192.24483.35383.35381.8714
H83.34202.03831.09083.58743.98123.98121.8714

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 118.030 N2 C1 H4 113.804
N2 C1 H5 108.884 N2 C1 H6 108.884
N2 C3 H7 123.465 N2 C3 H8 119.356
H4 C1 H5 109.083 H4 C1 H6 109.083
H5 C1 H6 106.876 H7 C3 H8 117.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.380      
2 N -0.138      
3 C -0.159      
4 H 0.117      
5 H 0.158      
6 H 0.158      
7 H 0.107      
8 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.363 -1.608 0.000 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.549 0.724 0.000
y 0.724 -21.618 0.000
z 0.000 0.000 -20.129
Traceless
 xyz
x 4.324 0.724 0.000
y 0.724 -3.279 0.000
z 0.000 0.000 -1.045
Polar
3z2-r2-2.090
x2-y25.069
xy0.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.635 -0.001 0.000
y -0.001 4.749 0.000
z 0.000 0.000 3.549


<r2> (average value of r2) Å2
<r2> 48.932
(<r2>)1/2 6.995