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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-133.867634
Energy at 298.15K-133.873175
HF Energy-133.867634
Nuclear repulsion energy72.318791
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 B1B95/6-31G*
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' 3177 3016 36.03      
2 A' 3109 2951 26.33      
3 A' 3026 2872 61.97      
4 A' 3004 2852 49.22      
5 A' 1784 1693 21.02      
6 A' 1536 1458 20.41      
7 A' 1501 1425 2.04      
8 A' 1459 1385 1.59      
9 A' 1255 1191 15.19      
10 A' 1140 1082 0.64      
11 A' 999 948 13.24      
12 A' 485 461 5.75      
13 A" 3134 2975 17.93      
14 A" 1502 1426 4.25      
15 A" 1152 1094 0.13      
16 A" 1060 1006 17.94      
17 A" 703 667 1.14      
18 A" 230 219 8.50      

Unscaled Zero Point Vibrational Energy (zpe) 15126.3 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 14359.4 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 B1B95/6-31G*
ABC
1.77405 0.35886 0.31589

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.070 -0.413 0.000
N2 0.000 0.555 0.000
C3 1.183 0.114 0.000
H4 -0.728 -1.460 0.000
H5 -1.701 -0.245 0.879
H6 -1.701 -0.245 -0.879
H7 1.436 -0.958 0.000
H8 2.016 0.817 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44342.31421.10141.09451.09452.56503.3227
N21.44341.26302.14302.07522.07522.08632.0332
C32.31421.26302.47593.03633.03631.10081.0905
H41.10142.14302.47591.78691.78692.22213.5663
H51.09452.07523.03631.78691.75743.33483.9647
H61.09452.07523.03631.78691.75743.33483.9647
H72.56502.08631.10082.22213.33483.33481.8674
H83.32272.03321.09053.56633.96473.96471.8674

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 117.381 N2 C1 H4 114.055
N2 C1 H5 108.939 N2 C1 H6 108.939
N2 C3 H7 123.768 N2 C3 H8 119.337
H4 C1 H5 108.928 H4 C1 H6 108.928
H5 C1 H6 106.805 H7 C3 H8 116.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.361      
2 N -0.288      
3 C -0.149      
4 H 0.139      
5 H 0.182      
6 H 0.182      
7 H 0.131      
8 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.300 -1.428 0.000 1.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.138 0.633 0.000
y 0.633 -20.615 0.000
z 0.000 0.000 -19.428
Traceless
 xyz
x 3.884 0.633 0.000
y 0.633 -2.832 0.000
z 0.000 0.000 -1.052
Polar
3z2-r2-2.104
x2-y24.477
xy0.633
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.964 0.080 0.000
y 0.080 3.957 0.000
z 0.000 0.000 2.670


<r2> (average value of r2) Å2
<r2> 48.056
(<r2>)1/2 6.932