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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: SVWN/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 SVWN/6-311+G(3df,2p)
 hartrees
Energy at 0K-206.964578
Energy at 298.15K 
HF Energy-206.964578
Nuclear repulsion energy104.361645
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 SVWN/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' 3041 3041 5.71 86.22 0.65 0.79
2 A' 2954 2954 40.51 253.30 0.02 0.05
3 A' 2424 2424 986.19 4.40 0.05 0.10
4 A' 1531 1531 2.48 39.84 0.20 0.34
5 A' 1418 1418 12.05 12.15 0.56 0.72
6 A' 1393 1393 18.41 14.63 0.31 0.47
7 A' 1104 1104 10.96 0.46 0.74 0.85
8 A' 895 895 20.81 5.86 0.11 0.19
9 A' 608 608 23.77 0.72 0.58 0.74
10 A' 156 156 15.92 2.90 0.60 0.75
11 A" 3017 3017 8.49 87.29 0.75 0.86
12 A" 1430 1430 10.40 8.94 0.75 0.86
13 A" 1082 1082 0.29 0.14 0.75 0.86
14 A" 576 576 17.95 0.51 0.75 0.86
15 A" 39 39 2.29 0.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10835.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10835.1 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 SVWN/6-311+G(3df,2p)
ABC
3.22117 0.14286 0.14045

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.194 1.274 0.000
N2 0.000 0.531 0.000
C3 -0.497 -0.553 0.000
O4 -1.094 -1.564 0.000
H5 0.967 2.349 0.000
H6 1.802 1.060 0.892
H7 1.802 1.060 -0.892

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.40632.48993.64521.09791.10071.1007
N21.40631.19272.36312.05892.07892.0789
C32.48991.19271.17353.25042.94682.9468
O43.64522.36311.17354.42204.00784.0078
H51.09792.05893.25044.42201.77591.7759
H61.10072.07892.94684.00781.77591.7841
H71.10072.07892.94684.00781.77591.7841

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 146.563 N2 C1 H5 110.002
N2 C1 H6 111.459 N2 C1 H7 111.459
N2 C3 O4 174.116 H5 C1 H6 107.751
H5 C1 H7 107.751 H6 C1 H7 108.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.081      
2 N -0.892      
3 C 1.100      
4 O -0.615      
5 H 0.160      
6 H 0.164      
7 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.310 2.043 0.000 3.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.805 -0.557 0.000
y -0.557 -24.899 0.000
z 0.000 0.000 -22.761
Traceless
 xyz
x 1.024 -0.557 0.000
y -0.557 -2.116 0.000
z 0.000 0.000 1.091
Polar
3z2-r22.183
x2-y22.093
xy-0.557
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.462 2.028 0.000
y 2.028 6.898 0.000
z 0.000 0.000 3.929


<r2> (average value of r2) Å2
<r2> 84.172
(<r2>)1/2 9.175