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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: M06-2X/TZVP

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/TZVP
 hartrees
Energy at 0K-207.973245
Energy at 298.15K 
HF Energy-207.973245
Nuclear repulsion energy104.272079
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/TZVP
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' 3167 2997 9.22 75.83 0.65 0.79
2 A' 3075 2910 34.99 185.22 0.01 0.02
3 A' 2453 2321 1353.50 4.92 0.07 0.13
4 A' 1570 1485 2.82 19.97 0.18 0.31
5 A' 1503 1422 11.39 15.78 0.66 0.79
6 A' 1469 1390 30.41 15.20 0.45 0.62
7 A' 1163 1100 15.31 2.45 0.65 0.79
8 A' 884 836 36.42 7.20 0.17 0.29
9 A' 646 611 39.86 0.42 0.60 0.75
10 A' 130 123 19.27 2.24 0.74 0.85
11 A" 3144 2975 12.74 67.86 0.75 0.86
12 A" 1516 1435 8.02 13.70 0.75 0.86
13 A" 1142 1080 0.13 1.64 0.75 0.86
14 A" 623 590 36.82 0.83 0.75 0.86
15 A" 45 42 3.89 1.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11264.4 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 10658.3 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/TZVP
ABC
3.22908 0.14205 0.13965

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.217 1.276 0.000
N2 0.000 0.522 0.000
C3 -0.510 -0.549 0.000
O4 -1.103 -1.557 0.000
H5 0.977 2.337 0.000
H6 1.807 1.051 0.888
H7 1.807 1.051 -0.888

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43142.51283.66231.08731.09021.0902
N21.43141.18652.35432.06102.08142.0814
C32.51281.18651.17003.24662.95232.9523
O43.66232.35431.17004.41534.00744.0074
H51.08732.06103.24664.41531.76981.7698
H61.09022.08142.95234.00741.76981.7769
H71.09022.08142.95234.00741.76981.7769

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 147.276 N2 C1 H5 109.068
N2 C1 H6 110.542 N2 C1 H7 110.542
N2 C3 O4 175.030 H5 C1 H6 108.739
H5 C1 H7 108.739 H6 C1 H7 109.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 N -0.340      
3 C 0.511      
4 O -0.362      
5 H 0.159      
6 H 0.153      
7 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.645 2.178 0.000 3.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.692 -0.623 0.000
y -0.623 -25.212 0.000
z 0.000 0.000 -22.630
Traceless
 xyz
x 1.229 -0.623 0.000
y -0.623 -2.551 0.000
z 0.000 0.000 1.322
Polar
3z2-r22.644
x2-y22.520
xy-0.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.430 1.903 0.000
y 1.903 6.176 0.000
z 0.000 0.000 3.134


<r2> (average value of r2) Å2
<r2> 84.494
(<r2>)1/2 9.192