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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: B97D3/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at B97D3/cc-pVQZ
 hartrees
Energy at 0K-207.961098
Energy at 298.15K 
HF Energy-207.961098
Nuclear repulsion energy103.801394
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 B97D3/cc-pVQZ
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' 3065 3065 18.41 79.84 0.62 0.76
2 A' 2973 2973 54.64 217.07 0.02 0.03
3 A' 2316 2316 900.13 1.68 0.04 0.07
4 A' 1477 1477 0.83 4.31 0.31 0.47
5 A' 1448 1448 15.10 11.27 0.52 0.68
6 A' 1418 1418 31.93 28.64 0.21 0.34
7 A' 1133 1133 16.33 1.08 0.72 0.84
8 A' 856 856 27.96 7.73 0.14 0.25
9 A' 626 626 23.42 0.56 0.63 0.78
10 A' 182 182 14.83 2.37 0.60 0.75
11 A" 3032 3032 24.77 79.43 0.75 0.86
12 A" 1477 1477 5.59 9.84 0.75 0.86
13 A" 1108 1108 0.01 0.67 0.75 0.86
14 A" 569 569 16.68 0.53 0.75 0.86
15 A" 51 51 1.57 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10864.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10864.8 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 B97D3/cc-pVQZ
ABC
2.56382 0.14533 0.14122

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.359 1.081 0.000
N2 0.000 0.595 0.000
C3 -0.564 -0.470 0.000
O4 -1.239 -1.435 0.000
H5 1.344 2.172 0.000
H6 1.898 0.741 0.891
H7 1.898 0.741 -0.891

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44352.47043.61691.09141.09501.0950
N21.44351.20512.37842.07192.10152.1015
C32.47041.20511.17803.25872.88432.8843
O43.61692.37841.17804.43663.92053.9205
H51.09142.07193.25874.43661.77441.7744
H61.09502.10152.88433.92051.77441.7820
H71.09502.10152.88433.92051.77441.7820

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 137.553 N2 C1 H5 108.846
N2 C1 H6 111.016 N2 C1 H7 111.016
N2 C3 O4 172.885 H5 C1 H6 108.489
H5 C1 H7 108.489 H6 C1 H7 108.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 N -0.325      
3 C 0.447      
4 O -0.310      
5 H 0.152      
6 H 0.116      
7 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.412 1.432 0.000 2.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.526 -0.568 0.000
y -0.568 -24.755 0.000
z 0.000 0.000 -22.588
Traceless
 xyz
x 1.145 -0.568 0.000
y -0.568 -2.198 0.000
z 0.000 0.000 1.052
Polar
3z2-r22.104
x2-y22.229
xy-0.568
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.608 1.939 0.000
y 1.939 6.155 0.000
z 0.000 0.000 3.771


<r2> (average value of r2) Å2
<r2> 83.526
(<r2>)1/2 9.139