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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: SVWN/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 SVWN/6-311G**
 hartrees
Energy at 0K-206.944292
Energy at 298.15K 
HF Energy-206.944292
Nuclear repulsion energy104.181742
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/6-311G**
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' 3045 3013 8.26 99.08 0.66 0.79
2 A' 2953 2923 42.17 221.71 0.02 0.04
3 A' 2443 2418 878.73 5.28 0.10 0.18
4 A' 1534 1518 2.71 31.58 0.22 0.36
5 A' 1419 1405 11.93 20.42 0.67 0.80
6 A' 1394 1379 18.76 26.79 0.46 0.63
7 A' 1103 1092 9.17 1.27 0.58 0.73
8 A' 897 888 23.59 4.72 0.25 0.40
9 A' 606 600 23.71 0.54 0.71 0.83
10 A' 157 155 15.79 2.44 0.63 0.77
11 A" 3018 2987 12.50 95.41 0.75 0.86
12 A" 1432 1417 10.19 17.24 0.75 0.86
13 A" 1080 1069 0.84 1.31 0.75 0.86
14 A" 575 569 21.16 0.68 0.75 0.86
15 A" 47 46 3.01 1.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10851.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 10738.5 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/6-311G**
ABC
3.17767 0.14253 0.14006

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.267 0.000
N2 0.000 0.534 0.000
C3 -0.502 -0.551 0.000
O4 -1.103 -1.560 0.000
H5 0.986 2.345 0.000
H6 1.812 1.047 0.894
H7 1.812 1.047 -0.894

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.40982.49313.64921.09991.10311.1031
N21.40981.19522.36692.06222.08462.0846
C32.49311.19521.17483.25582.95062.9506
O43.64922.36691.17484.42894.01164.0116
H51.09992.06223.25584.42891.77941.7794
H61.10312.08462.95064.01161.77941.7877
H71.10312.08462.95064.01161.77941.7877

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 146.169 N2 C1 H5 109.894
N2 C1 H6 111.524 N2 C1 H7 111.524
N2 C3 O4 174.067 H5 C1 H6 107.748
H5 C1 H7 107.748 H6 C1 H7 108.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 N -0.364      
3 C 0.416      
4 O -0.254      
5 H 0.173      
6 H 0.170      
7 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.344 1.931 0.000 3.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.368 -0.336 0.000
y -0.336 -24.455 0.000
z 0.000 0.000 -22.523
Traceless
 xyz
x 1.121 -0.336 0.000
y -0.336 -2.009 0.000
z 0.000 0.000 0.888
Polar
3z2-r21.776
x2-y22.087
xy-0.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.476 1.948 0.000
y 1.948 5.967 0.000
z 0.000 0.000 3.046


<r2> (average value of r2) Å2
<r2> 84.133
(<r2>)1/2 9.172