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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/6-311G**

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/6-311G**
 hartrees
Energy at 0K-207.957547
Energy at 298.15K 
HF Energy-207.957547
Nuclear repulsion energy104.300997
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/6-311G**
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' 3166 3166 11.70 77.44 0.65 0.79
2 A' 3071 3071 35.90 163.27 0.01 0.02
3 A' 2439 2439 1221.18 2.38 0.05 0.09
4 A' 1558 1558 2.62 12.93 0.17 0.29
5 A' 1501 1501 11.33 16.38 0.66 0.80
6 A' 1467 1467 31.55 14.63 0.48 0.65
7 A' 1160 1160 16.25 2.19 0.61 0.76
8 A' 899 899 34.10 8.25 0.20 0.34
9 A' 653 653 35.56 0.33 0.66 0.79
10 A' 149 149 19.28 1.54 0.71 0.83
11 A" 3139 3139 15.71 67.87 0.75 0.86
12 A" 1519 1519 7.91 13.29 0.75 0.86
13 A" 1138 1138 0.01 1.79 0.75 0.86
14 A" 619 619 32.41 0.68 0.75 0.86
15 A" 73 73 2.94 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11275.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11275.0 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/6-311G**
ABC
2.81526 0.14470 0.14130

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.313 1.151 0.000
N2 0.000 0.561 0.000
C3 -0.550 -0.497 0.000
O4 -1.191 -1.473 0.000
H5 1.212 2.234 0.000
H6 1.870 0.851 0.889
H7 1.870 0.851 -0.889

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43882.48723.62651.08801.09121.0912
N21.43881.19332.35752.06532.09042.0904
C32.48721.19331.16733.25042.90942.9094
O43.62652.35751.16734.41763.94453.9445
H51.08802.06533.25044.41761.77071.7707
H61.09122.09042.90943.94451.77071.7786
H71.09122.09042.90943.94451.77071.7786

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 141.629 N2 C1 H5 108.852
N2 C1 H6 110.686 N2 C1 H7 110.686
N2 C3 O4 174.175 H5 C1 H6 108.697
H5 C1 H7 108.697 H6 C1 H7 109.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230      
2 N -0.463      
3 C 0.556      
4 O -0.330      
5 H 0.158      
6 H 0.154      
7 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.612 1.671 0.000 3.101
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.325 -0.512 0.000
y -0.512 -24.808 0.000
z 0.000 0.000 -22.473
Traceless
 xyz
x 1.316 -0.512 0.000
y -0.512 -2.409 0.000
z 0.000 0.000 1.093
Polar
3z2-r22.186
x2-y22.483
xy-0.512
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.414 1.852 0.000
y 1.852 5.468 0.000
z 0.000 0.000 2.911


<r2> (average value of r2) Å2
<r2> 83.467
(<r2>)1/2 9.136