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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-206.846044
Energy at 298.15K 
HF Energy-206.846044
Nuclear repulsion energy105.332637
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/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' 3284 2984 25.78 80.07 0.64 0.78
2 A' 3187 2896 47.54 150.85 0.01 0.02
3 A' 2521 2290 1690.72 2.90 0.04 0.08
4 A' 1646 1496 2.23 5.85 0.12 0.22
5 A' 1608 1461 10.84 15.86 0.64 0.78
6 A' 1579 1434 56.76 10.71 0.41 0.58
7 A' 1251 1137 27.26 2.56 0.60 0.75
8 A' 931 846 52.08 9.87 0.20 0.34
9 A' 734 667 57.98 0.27 0.69 0.82
10 A' 144 131 24.11 0.94 0.75 0.85
11 A" 3253 2955 34.34 69.09 0.75 0.86
12 A" 1629 1480 6.21 13.13 0.75 0.86
13 A" 1228 1116 0.99 1.78 0.75 0.86
14 A" 702 638 54.69 0.89 0.75 0.86
15 A" 34 31 3.21 0.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11864.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 10778.9 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 HF/6-311G**
ABC
2.74079 0.14818 0.14437

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.337 1.099 0.000
N2 0.000 0.560 0.000
C3 -0.569 -0.472 0.000
O4 -1.205 -1.428 0.000
H5 1.275 2.177 0.000
H6 1.876 0.780 0.884
H7 1.876 0.780 -0.884

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44142.46933.58401.07981.08341.0834
N21.44141.17802.32462.05902.08572.0857
C32.46931.17801.14863.22692.88512.8851
O43.58402.32461.14864.37543.89193.8919
H51.07982.05903.22694.37541.75941.7594
H61.08342.08572.88513.89191.75941.7671
H71.08342.08572.88513.89191.75941.7671

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 140.810 N2 C1 H5 108.660
N2 C1 H6 110.588 N2 C1 H7 110.588
N2 C3 O4 175.220 H5 C1 H6 108.843
H5 C1 H7 108.843 H6 C1 H7 109.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 N -0.572      
3 C 0.695      
4 O -0.401      
5 H 0.118      
6 H 0.111      
7 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.771 1.615 0.000 3.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.485 -0.829 0.000
y -0.829 -25.302 0.000
z 0.000 0.000 -22.423
Traceless
 xyz
x 1.378 -0.829 0.000
y -0.829 -2.848 0.000
z 0.000 0.000 1.470
Polar
3z2-r22.941
x2-y22.817
xy-0.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.166 1.657 0.000
y 1.657 5.035 0.000
z 0.000 0.000 2.806


<r2> (average value of r2) Å2
<r2> 82.164
(<r2>)1/2 9.064