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

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-133.112076
Energy at 298.15K-133.117731
HF Energy-133.112076
Nuclear repulsion energy72.917347
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/cc-pVTZ
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' 3284 2989 37.43      
2 A' 3205 2917 42.92      
3 A' 3167 2882 55.84      
4 A' 3125 2844 56.26      
5 A' 1906 1735 32.01      
6 A' 1632 1485 28.33      
7 A' 1601 1457 0.00      
8 A' 1568 1427 5.67      
9 A' 1359 1237 22.74      
10 A' 1218 1109 0.54      
11 A' 1043 950 15.78      
12 A' 514 468 7.30      
13 A" 3222 2932 30.44      
14 A" 1599 1456 4.32      
15 A" 1250 1137 1.04      
16 A" 1198 1090 21.02      
17 A" 747 680 0.93      
18 A" 222 202 8.30      

Unscaled Zero Point Vibrational Energy (zpe) 15930.6 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 14498.5 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/cc-pVTZ
ABC
1.84910 0.36000 0.31881

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.066 -0.430 0.000
N2 0.000 0.542 0.000
C3 1.175 0.141 0.000
H4 -0.712 -1.459 0.000
H5 -1.688 -0.272 0.872
H6 -1.688 -0.272 -0.872
H7 1.448 -0.910 0.000
H8 1.983 0.855 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44262.31301.08811.08291.08292.55963.3092
N21.44261.24182.12382.06722.06722.05062.0079
C32.31301.24182.47443.02183.02181.08581.0784
H41.08812.12382.47441.76711.76712.22893.5526
H51.08292.06723.02181.76711.74433.31733.9385
H61.08292.06723.02181.76711.74433.31733.9385
H72.55962.05061.08582.22893.31733.31731.8445
H83.30922.00791.07843.55263.93853.93851.8445

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 118.812 N2 C1 H4 113.371
N2 C1 H5 109.042 N2 C1 H6 109.042
N2 C3 H7 123.382 N2 C3 H8 119.694
H4 C1 H5 108.960 H4 C1 H6 108.960
H5 C1 H6 107.289 H7 C3 H8 116.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 N -0.211      
3 C -0.118      
4 H 0.048      
5 H 0.095      
6 H 0.095      
7 H 0.077      
8 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.537 -1.566 0.000 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.259 0.640 0.000
y 0.640 -20.979 0.000
z 0.000 0.000 -19.874
Traceless
 xyz
x 4.167 0.640 0.000
y 0.640 -2.912 0.000
z 0.000 0.000 -1.255
Polar
3z2-r2-2.511
x2-y24.719
xy0.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.288 0.078 0.000
y 0.078 4.229 0.000
z 0.000 0.000 3.365


<r2> (average value of r2) Å2
<r2> 47.878
(<r2>)1/2 6.919