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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: HSEh1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.846574
Energy at 298.15K 
HF Energy-207.846574
Nuclear repulsion energy104.485289
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 HSEh1PBE/6-311+G(3df,2p)
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' 3137 3137 11.80 71.94 0.64 0.78
2 A' 3045 3045 45.50 204.89 0.02 0.03
3 A' 2413 2413 1155.34 2.32 0.02 0.04
4 A' 1538 1538 2.01 18.75 0.15 0.26
5 A' 1487 1487 11.94 12.20 0.50 0.67
6 A' 1457 1457 29.16 10.29 0.26 0.41
7 A' 1155 1155 17.40 0.59 0.74 0.85
8 A' 897 897 27.42 8.17 0.10 0.19
9 A' 652 652 30.34 0.56 0.52 0.69
10 A' 164 164 17.79 2.20 0.64 0.78
11 A" 3110 3110 15.96 71.19 0.75 0.86
12 A" 1503 1503 8.09 7.45 0.75 0.86
13 A" 1131 1131 0.01 0.25 0.75 0.86
14 A" 611 611 22.74 0.51 0.75 0.86
15 A" 39 39 1.99 0.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11169.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11169.6 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 HSEh1PBE/6-311+G(3df,2p)
ABC
2.81224 0.14550 0.14204

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.305 1.145 0.000
N2 0.000 0.565 0.000
C3 -0.546 -0.496 0.000
O4 -1.188 -1.472 0.000
H5 1.215 2.230 0.000
H6 1.866 0.848 0.888
H7 1.866 0.848 -0.888

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.42802.47373.61441.08841.09151.0915
N21.42801.19342.35822.06082.08582.0858
C32.47371.19341.16823.24512.90042.9004
O43.61442.35821.16824.41333.93663.9366
H51.08842.06083.24514.41331.76701.7670
H61.09152.08582.90043.93661.76701.7752
H71.09152.08582.90043.93661.76701.7752

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 141.193 N2 C1 H5 109.219
N2 C1 H6 111.057 N2 C1 H7 111.057
N2 C3 O4 173.898 H5 C1 H6 108.308
H5 C1 H7 108.308 H6 C1 H7 108.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 N -1.004      
3 C 1.213      
4 O -0.662      
5 H 0.123      
6 H 0.128      
7 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.466 1.677 0.000 2.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.655 -0.646 0.000
y -0.646 -24.925 0.000
z 0.000 0.000 -22.617
Traceless
 xyz
x 1.116 -0.646 0.000
y -0.646 -2.289 0.000
z 0.000 0.000 1.173
Polar
3z2-r22.346
x2-y22.270
xy-0.646
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.443 1.900 0.000
y 1.900 6.298 0.000
z 0.000 0.000 3.797


<r2> (average value of r2) Å2
<r2> 83.251
(<r2>)1/2 9.124