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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-207.932533
Energy at 298.15K 
HF Energy-207.932533
Nuclear repulsion energy103.971281
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/aug-cc-pVDZ
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' 3177 3177 9.90 71.18 0.64 0.78
2 A' 3075 3075 39.00 213.64 0.01 0.02
3 A' 2397 2397 1277.80 2.85 0.03 0.05
4 A' 1537 1537 2.84 16.59 0.14 0.25
5 A' 1468 1468 11.56 9.48 0.55 0.71
6 A' 1435 1435 29.52 7.33 0.24 0.38
7 A' 1144 1144 19.79 0.60 0.67 0.80
8 A' 906 906 29.45 9.99 0.11 0.20
9 A' 657 657 32.74 0.53 0.46 0.63
10 A' 161 161 19.63 2.00 0.65 0.79
11 A" 3149 3149 13.42 67.29 0.75 0.86
12 A" 1486 1486 8.33 6.54 0.75 0.86
13 A" 1122 1122 0.04 0.26 0.75 0.86
14 A" 613 613 23.67 0.57 0.75 0.86
15 A" 62 62 1.83 0.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11194.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11194.0 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/aug-cc-pVDZ
ABC
2.60906 0.14538 0.14143

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.349 1.097 0.000
N2 0.000 0.586 0.000
C3 -0.563 -0.475 0.000
O4 -1.225 -1.444 0.000
H5 1.307 2.189 0.000
H6 1.887 0.763 0.894
H7 1.887 0.763 -0.894

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44272.47583.61721.09271.09601.0960
N21.44271.20162.37132.06842.09582.0958
C32.47581.20161.17333.25542.88742.8874
O43.61722.37131.17334.42863.91853.9185
H51.09272.06843.25544.42861.78051.7805
H61.09602.09582.88743.91851.78051.7889
H71.09602.09582.88743.91851.78051.7889

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 138.693 N2 C1 H5 108.553
N2 C1 H6 110.547 N2 C1 H7 110.547
N2 C3 O4 173.637 H5 C1 H6 108.880
H5 C1 H7 108.880 H6 C1 H7 109.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.990      
2 N -0.039      
3 C 0.040      
4 O -0.345      
5 H -0.294      
6 H -0.176      
7 H -0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.592 1.592 0.000 3.041
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.719 -0.607 0.000
y -0.607 -25.128 0.000
z 0.000 0.000 -22.785
Traceless
 xyz
x 1.238 -0.607 0.000
y -0.607 -2.376 0.000
z 0.000 0.000 1.138
Polar
3z2-r22.277
x2-y22.409
xy-0.607
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.547 1.893 0.000
y 1.893 6.241 0.000
z 0.000 0.000 3.834


<r2> (average value of r2) Å2
<r2> 83.588
(<r2>)1/2 9.143