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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/6-311G*

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/6-311G*
 hartrees
Energy at 0K-207.954569
Energy at 298.15K 
HF Energy-207.954569
Nuclear repulsion energy104.321497
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/6-311G*
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' 3176 3176 14.93 77.81 0.66 0.79
2 A' 3081 3081 39.54 151.09 0.01 0.02
3 A' 2439 2439 1219.45 2.23 0.04 0.08
4 A' 1560 1560 2.29 11.22 0.15 0.26
5 A' 1516 1516 12.20 18.28 0.64 0.78
6 A' 1481 1481 31.37 17.46 0.49 0.66
7 A' 1170 1170 16.26 2.71 0.63 0.77
8 A' 902 902 35.10 8.33 0.20 0.34
9 A' 654 654 35.58 0.32 0.65 0.79
10 A' 149 149 19.28 1.52 0.71 0.83
11 A" 3148 3148 19.28 68.53 0.75 0.86
12 A" 1536 1536 7.67 14.62 0.75 0.86
13 A" 1147 1147 0.01 2.19 0.75 0.86
14 A" 619 619 32.74 0.68 0.75 0.86
15 A" 78 78 2.98 1.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11327.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11327.8 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/6-311G*
ABC
2.80290 0.14486 0.14142

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.315 1.146 0.000
N2 0.000 0.563 0.000
C3 -0.551 -0.496 0.000
O4 -1.193 -1.471 0.000
H5 1.219 2.230 0.000
H6 1.871 0.845 0.889
H7 1.871 0.845 -0.889

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43822.48543.62421.08781.09111.0911
N21.43821.19352.35762.06502.09052.0905
C32.48541.19351.16713.24992.90772.9077
O43.62422.35761.16714.41703.94193.9419
H51.08782.06503.24994.41701.77001.7700
H61.09112.09052.90773.94191.77001.7778
H71.09112.09052.90773.94191.77001.7778

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 141.434 N2 C1 H5 108.882
N2 C1 H6 110.744 N2 C1 H7 110.744
N2 C3 O4 174.170 H5 C1 H6 108.649
H5 C1 H7 108.649 H6 C1 H7 109.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540      
2 N -0.434      
3 C 0.560      
4 O -0.330      
5 H 0.253      
6 H 0.246      
7 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.607 1.649 0.000 3.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.350 -0.515 0.000
y -0.515 -24.847 0.000
z 0.000 0.000 -22.507
Traceless
 xyz
x 1.327 -0.515 0.000
y -0.515 -2.418 0.000
z 0.000 0.000 1.091
Polar
3z2-r22.183
x2-y22.496
xy-0.515
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.362 1.835 0.000
y 1.835 5.423 0.000
z 0.000 0.000 2.882


<r2> (average value of r2) Å2
<r2> 83.431
(<r2>)1/2 9.134