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All results from a given calculation for CH3NC (methyl isocyanide)

using model chemistry: M06-2X/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-132.709609
Energy at 298.15K-132.712055
HF Energy-132.709609
Nuclear repulsion energy60.250909
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 M06-2X/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 A1 3074 2936 12.06      
2 A1 2284 2181 149.78      
3 A1 1456 1390 4.82      
4 A1 978 934 13.87      
5 E 3154 3012 2.81      
5 E 3153 3012 2.94      
6 E 1498 1430 10.11      
6 E 1498 1430 10.09      
7 E 1151 1099 0.03      
7 E 1151 1099 0.04      
8 E 295 282 0.48      
8 E 295 282 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 9992.6 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 9543.9 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 M06-2X/cc-pVTZ
ABC
5.30882 0.33798 0.33798

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.107
N2 0.000 0.000 0.314
C3 0.000 0.000 1.475
H4 0.000 1.025 -1.470
H5 0.888 -0.512 -1.470
H6 -0.888 -0.512 -1.470

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.42032.58201.08751.08751.0875
N21.42031.16172.05722.05722.0572
C32.58201.16173.11863.11863.1186
H41.08752.05723.11861.77531.7753
H51.08752.05723.11861.77531.7753
H61.08752.05723.11861.77531.7753

picture of methyl isocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 180.000 N2 C1 H4 109.520
N2 C1 H5 109.520 N2 C1 H6 109.520
H4 C1 H5 109.422 H4 C1 H6 109.422
H5 C1 H6 109.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 N 0.023      
3 C -0.248      
4 H 0.126      
5 H 0.126      
6 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.841 3.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.845 0.000 0.000
y 0.000 -17.845 0.000
z 0.000 0.000 -21.279
Traceless
 xyz
x 1.717 0.000 0.000
y 0.000 1.717 0.000
z 0.000 0.000 -3.435
Polar
3z2-r2-6.869
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.348 0.000 0.000
y 0.000 3.342 0.003
z 0.000 0.003 5.701


<r2> (average value of r2) Å2
<r2> 42.609
(<r2>)1/2 6.528