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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: BLYP/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at BLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-207.967187
Energy at 298.15K 
HF Energy-207.967187
Nuclear repulsion energy102.692125
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 BLYP/daug-cc-pVDZ
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' 3048 3048 14.98 79.04 0.63 0.77
2 A' 2955 2955 53.35 245.78 0.02 0.04
3 A' 2258 2258 891.39 1.33 0.13 0.24
4 A' 1443 1443 1.06 4.97 0.22 0.36
5 A' 1413 1413 17.30 10.80 0.45 0.62
6 A' 1380 1380 26.56 27.56 0.19 0.32
7 A' 1112 1112 17.52 0.82 0.74 0.85
8 A' 842 842 25.87 9.21 0.12 0.21
9 A' 608 608 22.34 0.94 0.39 0.57
10 A' 187 187 15.20 2.84 0.58 0.74
11 A" 3016 3016 21.92 83.56 0.75 0.86
12 A" 1443 1443 5.95 8.27 0.75 0.86
13 A" 1086 1086 0.03 0.38 0.75 0.86
14 A" 546 546 14.48 0.57 0.75 0.86
15 A" 70 70 1.56 0.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10703.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10703.6 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 BLYP/daug-cc-pVDZ
ABC
2.48517 0.14256 0.13844

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.378 1.083 0.000
N2 0.000 0.607 0.000
C3 -0.565 -0.474 0.000
O4 -1.259 -1.445 0.000
H5 1.366 2.184 0.000
H6 1.916 0.735 0.901
H7 1.916 0.735 -0.901

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.45802.49013.65281.10141.10511.1051
N21.45801.21972.40702.08662.12082.1208
C32.49011.21971.19313.28572.90322.9032
O43.65282.40701.19314.47883.95493.9549
H51.10142.08663.28574.47881.79271.7927
H61.10512.12082.90323.95491.79271.8010
H71.10512.12082.90323.95491.79271.8010

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 136.677 N2 C1 H5 108.426
N2 C1 H6 110.925 N2 C1 H7 110.925
N2 C3 O4 172.071 H5 C1 H6 108.677
H5 C1 H7 108.677 H6 C1 H7 109.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 2.025      
2 N 0.554      
3 C -0.517      
4 O -0.782      
5 H -0.477      
6 H -0.401      
7 H -0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.510 1.470 0.000 2.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.085 -0.583 0.000
y -0.583 -25.399 0.000
z 0.000 0.000 -23.146
Traceless
 xyz
x 1.187 -0.583 0.000
y -0.583 -2.283 0.000
z 0.000 0.000 1.096
Polar
3z2-r22.192
x2-y22.313
xy-0.583
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.173 2.035 0.000
y 2.035 6.713 0.000
z 0.000 0.000 4.214


<r2> (average value of r2) Å2
<r2> 85.245
(<r2>)1/2 9.233