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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: wB97X-D/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at wB97X-D/6-31G**
 hartrees
Energy at 0K-207.919320
Energy at 298.15K 
HF Energy-207.919320
Nuclear repulsion energy103.934594
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 wB97X-D/6-31G**
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' 3167 3167 16.17 82.78 0.67 0.80
2 A' 3062 3062 45.16 151.50 0.01 0.02
3 A' 2435 2435 1016.39 1.77 0.07 0.12
4 A' 1548 1548 3.25 10.59 0.17 0.29
5 A' 1507 1507 8.79 24.85 0.62 0.76
6 A' 1481 1481 35.10 20.62 0.48 0.65
7 A' 1169 1169 15.47 2.87 0.64 0.78
8 A' 907 907 31.27 7.80 0.21 0.35
9 A' 632 632 31.31 0.45 0.68 0.81
10 A' 166 166 17.15 1.68 0.67 0.80
11 A" 3139 3139 21.17 71.74 0.75 0.86
12 A" 1524 1524 6.19 21.33 0.75 0.86
13 A" 1141 1141 0.00 2.71 0.75 0.86
14 A" 586 586 29.77 0.72 0.75 0.86
15 A" 57 57 2.80 1.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11259.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11259.9 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 wB97X-D/6-31G**
ABC
2.72291 0.14447 0.14085

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.325 1.130 0.000
N2 0.000 0.577 0.000
C3 -0.550 -0.491 0.000
O4 -1.208 -1.467 0.000
H5 1.254 2.219 0.000
H6 1.880 0.820 0.890
H7 1.880 0.820 -0.890

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43602.47923.62791.09071.09391.0939
N21.43601.20172.37422.06592.09452.0945
C32.47921.20171.17663.25572.90152.9015
O43.62792.37421.17664.43233.94453.9445
H51.09072.06593.25574.43231.77221.7722
H61.09392.09452.90153.94451.77221.7799
H71.09392.09452.90153.94451.77221.7799

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 139.914 N2 C1 H5 108.933
N2 C1 H6 111.043 N2 C1 H7 111.043
N2 C3 O4 173.268 H5 C1 H6 108.433
H5 C1 H7 108.433 H6 C1 H7 108.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.226      
2 N -0.466      
3 C 0.650      
4 O -0.430      
5 H 0.162      
6 H 0.155      
7 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.560 1.546 0.000 2.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.976 -0.470 0.000
y -0.470 -24.447 0.000
z 0.000 0.000 -22.191
Traceless
 xyz
x 1.343 -0.470 0.000
y -0.470 -2.363 0.000
z 0.000 0.000 1.020
Polar
3z2-r22.040
x2-y22.471
xy-0.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.320 1.845 0.000
y 1.845 5.355 0.000
z 0.000 0.000 2.804


<r2> (average value of r2) Å2
<r2> 83.463
(<r2>)1/2 9.136