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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-207.933655
Energy at 298.15K 
HF Energy-207.933655
Nuclear repulsion energy103.996280
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/daug-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' 3172 3172 10.11 70.95 0.66 0.79
2 A' 3073 3073 39.90 218.00 0.01 0.02
3 A' 2398 2398 1275.15 2.35 0.02 0.05
4 A' 1538 1538 2.92 17.01 0.14 0.24
5 A' 1471 1471 12.00 9.48 0.56 0.71
6 A' 1435 1435 29.31 7.51 0.25 0.40
7 A' 1145 1145 19.62 0.60 0.72 0.84
8 A' 906 906 29.37 10.02 0.11 0.20
9 A' 656 656 32.46 0.58 0.39 0.56
10 A' 160 160 19.61 1.92 0.62 0.77
11 A" 3147 3147 13.69 67.33 0.75 0.86
12 A" 1489 1489 8.20 6.62 0.75 0.86
13 A" 1123 1123 0.05 0.29 0.75 0.86
14 A" 613 613 23.42 0.58 0.75 0.86
15 A" 64 64 1.81 0.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11194.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11194.3 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/daug-cc-pVDZ
ABC
2.60718 0.14547 0.14151

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.350 1.095 0.000
N2 0.000 0.587 0.000
C3 -0.563 -0.475 0.000
O4 -1.225 -1.443 0.000
H5 1.310 2.187 0.000
H6 1.887 0.761 0.894
H7 1.887 0.761 -0.894

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44242.47493.61591.09231.09531.0953
N21.44241.20172.37092.06822.09552.0955
C32.47491.20171.17293.25492.88632.8863
O43.61592.37091.17294.42783.91713.9171
H51.09232.06823.25494.42781.77931.7793
H61.09532.09552.88633.91711.77931.7873
H71.09532.09552.88633.91711.77931.7873

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 138.601 N2 C1 H5 108.571
N2 C1 H6 110.581 N2 C1 H7 110.581
N2 C3 O4 173.584 H5 C1 H6 108.851
H5 C1 H7 108.851 H6 C1 H7 109.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.828      
2 N 0.576      
3 C -0.650      
4 O -0.894      
5 H -0.315      
6 H -0.272      
7 H -0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.579 1.571 0.000 3.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.695 -0.564 0.000
y -0.564 -25.076 0.000
z 0.000 0.000 -22.810
Traceless
 xyz
x 1.249 -0.564 0.000
y -0.564 -2.324 0.000
z 0.000 0.000 1.076
Polar
3z2-r22.151
x2-y22.382
xy-0.564
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.606 1.866 0.000
y 1.866 6.286 0.000
z 0.000 0.000 3.916


<r2> (average value of r2) Å2
<r2> 83.538
(<r2>)1/2 9.140