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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-133.061490
Energy at 298.15K-133.067132
HF Energy-133.061490
Nuclear repulsion energy72.787677
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/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' 3350 3010 44.11      
2 A' 3256 2925 43.71      
3 A' 3228 2901 51.59      
4 A' 3172 2850 55.09      
5 A' 1937 1741 38.34      
6 A' 1660 1491 22.26      
7 A' 1629 1463 0.30      
8 A' 1596 1434 8.02      
9 A' 1372 1233 20.54      
10 A' 1233 1108 0.86      
11 A' 1057 950 15.99      
12 A' 515 462 6.80      
13 A" 3277 2944 35.42      
14 A" 1630 1464 2.39      
15 A" 1261 1133 1.41      
16 A" 1196 1075 17.45      
17 A" 752 676 0.74      
18 A" 222 200 8.89      

Unscaled Zero Point Vibrational Energy (zpe) 16171.0 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 14529.6 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/6-31G*
ABC
1.83683 0.35917 0.31785

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.068 -0.427 0.000
N2 0.000 0.544 0.000
C3 1.178 0.136 0.000
H4 -0.719 -1.460 0.000
H5 -1.690 -0.267 0.873
H6 -1.690 -0.267 -0.873
H7 1.452 -0.915 0.000
H8 1.988 0.848 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44382.31551.08951.08421.08422.56703.3119
N21.44381.24652.12882.06822.06822.05862.0115
C32.31551.24652.47893.02513.02511.08631.0789
H41.08952.12882.47891.76851.76852.23873.5576
H51.08422.06823.02511.76851.74673.32533.9419
H61.08422.06823.02511.76851.74673.32533.9419
H72.56702.05861.08632.23873.32533.32531.8429
H83.31192.01151.07893.55763.94193.94191.8429

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 118.604 N2 C1 H4 113.620
N2 C1 H5 108.967 N2 C1 H6 108.967
N2 C3 H7 123.738 N2 C3 H8 119.593
H4 C1 H5 108.894 H4 C1 H6 108.894
H5 C1 H6 107.312 H7 C3 H8 116.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 N -0.390      
3 C -0.123      
4 H 0.139      
5 H 0.180      
6 H 0.180      
7 H 0.146      
8 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.535 -1.652 0.000 1.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.156 0.658 0.000
y 0.658 -20.971 0.000
z 0.000 0.000 -19.776
Traceless
 xyz
x 4.218 0.658 0.000
y 0.658 -3.006 0.000
z 0.000 0.000 -1.212
Polar
3z2-r2-2.424
x2-y24.816
xy0.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.790 0.001 0.000
y 0.001 3.669 0.000
z 0.000 0.000 2.591


<r2> (average value of r2) Å2
<r2> 47.943
(<r2>)1/2 6.924