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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-24.135844
Energy at 298.15K-24.141320
HF Energy-24.135844
Nuclear repulsion energy40.354833
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/CEP-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 3077 54.48      
2 A' 3090 2993 48.03      
3 A' 3003 2908 106.12      
4 A' 2973 2879 92.78      
5 A' 1675 1622 11.69      
6 A' 1514 1466 27.11      
7 A' 1487 1440 3.73      
8 A' 1449 1403 1.29      
9 A' 1226 1187 4.31      
10 A' 1119 1084 2.43      
11 A' 932 902 10.60      
12 A' 452 437 6.62      
13 A" 3117 3019 43.22      
14 A" 1486 1439 8.28      
15 A" 1140 1104 0.31      
16 A" 1066 1032 49.15      
17 A" 689 668 0.57      
18 A" 220 213 12.85      

Unscaled Zero Point Vibrational Energy (zpe) 14907.3 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 14436.2 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/CEP-31G
ABC
1.73788 0.33769 0.29866

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.106 -0.430 0.000
N2 0.000 0.560 0.000
C3 1.223 0.126 0.000
H4 -0.768 -1.490 0.000
H5 -1.737 -0.252 0.888
H6 -1.737 -0.252 -0.888
H7 1.496 -0.950 0.000
H8 2.045 0.852 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.48412.39381.11221.10371.10372.65393.4014
N21.48411.29732.18832.11252.11252.12612.0654
C32.39381.29732.56303.11253.11251.11041.0970
H41.11222.18832.56301.80561.80562.32733.6594
H51.10372.11253.11251.80561.77553.42504.0380
H61.10372.11253.11251.80561.77553.42504.0380
H72.65392.12611.11042.32733.42503.42501.8840
H83.40142.06541.09703.65944.03804.03801.8840

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 118.622 N2 C1 H4 114.120
N2 C1 H5 108.548 N2 C1 H6 108.548
N2 C3 H7 123.832 N2 C3 H8 118.990
H4 C1 H5 109.148 H4 C1 H6 109.148
H5 C1 H6 107.098 H7 C3 H8 117.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.516      
2 N 0.162      
3 C -0.559      
4 H 0.147      
5 H 0.194      
6 H 0.194      
7 H 0.160      
8 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.311 -2.031 0.000 2.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.777 0.808 0.000
y 0.808 -21.074 0.000
z 0.000 0.000 -19.715
Traceless
 xyz
x 4.617 0.808 0.000
y 0.808 -3.328 0.000
z 0.000 0.000 -1.289
Polar
3z2-r2-2.579
x2-y25.297
xy0.808
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.987 0.000 0.000
y 0.000 3.560 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 43.609
(<r2>)1/2 6.604