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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-207.973124
Energy at 298.15K 
HF Energy-207.973124
Nuclear repulsion energy104.329860
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 wB97X-D/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' 3148 3011 16.72 81.14 0.65 0.79
2 A' 3047 2914 45.31 166.59 0.01 0.02
3 A' 2431 2325 1111.98 2.08 0.03 0.07
4 A' 1543 1476 3.44 11.63 0.15 0.26
5 A' 1496 1431 10.80 18.44 0.64 0.78
6 A' 1469 1405 31.72 15.47 0.46 0.63
7 A' 1162 1111 15.31 2.24 0.60 0.75
8 A' 903 863 31.88 8.06 0.20 0.34
9 A' 653 624 32.58 0.38 0.66 0.79
10 A' 167 159 17.80 1.61 0.69 0.82
11 A" 3118 2983 23.06 72.34 0.75 0.86
12 A" 1514 1448 7.87 14.56 0.75 0.86
13 A" 1137 1088 0.00 1.75 0.75 0.86
14 A" 611 584 29.91 0.69 0.75 0.86
15 A" 60 57 2.58 1.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11228.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 10739.8 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 wB97X-D/6-311G**
ABC
2.69914 0.14575 0.14200

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.332 1.114 0.000
N2 0.000 0.575 0.000
C3 -0.559 -0.482 0.000
O4 -1.210 -1.452 0.000
H5 1.273 2.202 0.000
H6 1.882 0.797 0.890
H7 1.882 0.797 -0.890

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43702.47433.61171.08931.09281.0928
N21.43701.19562.36032.06572.09312.0931
C32.47431.19561.16803.24932.89492.8949
O43.61172.36031.16804.41733.92463.9246
H51.08932.06573.24934.41731.77111.7711
H61.09282.09312.89493.92461.77111.7791
H71.09282.09312.89493.92461.77111.7791

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 139.888 N2 C1 H5 108.928
N2 C1 H6 110.925 N2 C1 H7 110.925
N2 C3 O4 173.970 H5 C1 H6 108.511
H5 C1 H7 108.511 H6 C1 H7 108.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.190      
2 N -0.427      
3 C 0.499      
4 O -0.298      
5 H 0.142      
6 H 0.137      
7 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.565 1.523 0.000 2.983
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.195 -0.540 0.000
y -0.540 -24.691 0.000
z 0.000 0.000 -22.333
Traceless
 xyz
x 1.317 -0.540 0.000
y -0.540 -2.427 0.000
z 0.000 0.000 1.110
Polar
3z2-r22.220
x2-y22.496
xy-0.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.486 1.839 0.000
y 1.839 5.428 0.000
z 0.000 0.000 2.948


<r2> (average value of r2) Å2
<r2> 83.054
(<r2>)1/2 9.113