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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/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/cc-pVDZ
 hartrees
Energy at 0K-207.917403
Energy at 298.15K 
HF Energy-207.917403
Nuclear repulsion energy104.004793
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/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' 3174 3174 11.76 91.66 0.66 0.80
2 A' 3068 3068 39.45 174.05 0.01 0.02
3 A' 2425 2425 1143.16 1.76 0.02 0.03
4 A' 1548 1548 4.60 12.73 0.18 0.31
5 A' 1471 1471 8.09 18.65 0.65 0.79
6 A' 1442 1442 40.25 13.73 0.46 0.63
7 A' 1147 1147 17.60 1.64 0.53 0.69
8 A' 917 917 32.56 8.44 0.21 0.34
9 A' 654 654 31.03 0.36 0.74 0.85
10 A' 161 161 18.40 1.67 0.64 0.78
11 A" 3145 3145 15.91 80.73 0.75 0.86
12 A" 1486 1486 6.88 17.01 0.75 0.86
13 A" 1117 1117 0.00 1.61 0.75 0.86
14 A" 607 607 26.17 0.65 0.75 0.86
15 A" 45 45 2.08 0.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11202.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11202.4 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/cc-pVDZ
ABC
2.55901 0.14599 0.14186

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.355 1.079 0.000
N2 0.000 0.593 0.000
C3 -0.567 -0.469 0.000
O4 -1.232 -1.433 0.000
H5 1.338 2.175 0.000
H6 1.896 0.740 0.895
H7 1.896 0.740 -0.895

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43982.46803.60691.09581.09911.0991
N21.43981.20382.37172.07212.10132.1013
C32.46801.20381.17183.25882.88542.8854
O43.60692.37171.17184.43043.91273.9127
H51.09582.07213.25884.43041.78081.7808
H61.09912.10132.88543.91271.78081.7896
H71.09912.10132.88543.91271.78081.7896

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 137.831 N2 C1 H5 108.853
N2 C1 H6 111.009 N2 C1 H7 111.009
N2 C3 O4 173.456 H5 C1 H6 108.449
H5 C1 H7 108.449 H6 C1 H7 109.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 N -0.302      
3 C 0.269      
4 O -0.199      
5 H 0.066      
6 H 0.064      
7 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.467 1.380 0.000 2.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.127 -0.477 0.000
y -0.477 -24.429 0.000
z 0.000 0.000 -22.312
Traceless
 xyz
x 1.244 -0.477 0.000
y -0.477 -2.210 0.000
z 0.000 0.000 0.966
Polar
3z2-r21.932
x2-y22.302
xy-0.477
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.521 1.858 0.000
y 1.858 5.235 0.000
z 0.000 0.000 2.869


<r2> (average value of r2) Å2
<r2> 83.048
(<r2>)1/2 9.113