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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at M06-2X/STO-3G
 hartrees
Energy at 0K-205.234531
Energy at 298.15K 
HF Energy-205.234531
Nuclear repulsion energy101.687735
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/STO-3G
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' 3535 3535 0.32 34.30 0.71 0.83
2 A' 3354 3354 3.56 44.94 0.00 0.01
3 A' 2417 2417 333.51 1.03 0.55 0.71
4 A' 1664 1664 6.83 14.68 0.74 0.85
5 A' 1582 1582 24.12 8.59 0.73 0.84
6 A' 1472 1472 36.17 3.44 0.26 0.41
7 A' 1201 1201 15.00 3.30 0.57 0.72
8 A' 942 942 8.50 13.88 0.19 0.32
9 A' 600 600 18.00 0.57 0.75 0.86
10 A' 204 204 12.24 0.80 0.65 0.79
11 A" 3512 3512 0.10 26.97 0.75 0.86
12 A" 1673 1673 6.10 19.26 0.75 0.86
13 A" 1171 1171 0.68 2.39 0.75 0.86
14 A" 481 481 20.39 0.30 0.75 0.86
15 A" 108 108 1.89 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11958.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11958.7 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/STO-3G
ABC
1.95354 0.14580 0.13932

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.476 0.894 0.000
N2 0.000 0.699 0.000
C3 -0.578 -0.413 0.000
O4 -1.367 -1.333 0.000
H5 1.672 1.977 0.000
H6 1.938 0.452 0.898
H7 1.938 0.452 -0.898

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.48882.43513.61121.09991.10251.1025
N21.48881.25362.44872.10402.15052.1505
C32.43511.25361.21133.28232.80862.8086
O43.61122.44871.21134.49273.86203.8620
H51.09992.10403.28234.49271.78951.7895
H61.10252.15052.80863.86201.78951.7953
H71.10252.15052.80863.86201.78951.7953

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 125.010 N2 C1 H5 107.786
N2 C1 H6 111.298 N2 C1 H7 111.298
N2 C3 O4 166.857 H5 C1 H6 108.687
H5 C1 H7 108.687 H6 C1 H7 109.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 N -0.278      
3 C 0.275      
4 O -0.164      
5 H 0.100      
6 H 0.093      
7 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.001 0.150 0.000 2.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.321 -0.286 0.000
y -0.286 -23.007 0.000
z 0.000 0.000 -20.782
Traceless
 xyz
x 1.574 -0.286 0.000
y -0.286 -2.455 0.000
z 0.000 0.000 0.882
Polar
3z2-r21.764
x2-y22.686
xy-0.286
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.925 1.674 0.000
y 1.674 3.162 0.000
z 0.000 0.000 1.174


<r2> (average value of r2) Å2
<r2> 83.059
(<r2>)1/2 9.114