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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-208.000530
Energy at 298.15K 
HF Energy-208.000530
Nuclear repulsion energy103.606584
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 B3LYPultrafine/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' 3124 3030 16.64 92.11 0.64 0.78
2 A' 3024 2933 50.29 178.78 0.02 0.03
3 A' 2374 2303 934.06 1.50 0.01 0.02
4 A' 1502 1457 2.28 8.18 0.15 0.25
5 A' 1458 1414 8.81 22.25 0.59 0.74
6 A' 1437 1394 46.60 19.95 0.39 0.56
7 A' 1143 1108 16.61 1.72 0.55 0.71
8 A' 891 864 31.12 7.57 0.21 0.35
9 A' 636 617 25.58 0.48 0.75 0.86
10 A' 180 175 15.51 1.95 0.61 0.76
11 A" 3091 2998 23.03 84.58 0.75 0.86
12 A" 1476 1432 5.40 18.30 0.75 0.86
13 A" 1111 1078 0.00 1.84 0.75 0.86
14 A" 579 562 20.92 0.64 0.75 0.86
15 A" 41 40 1.74 0.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11033.1 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 10702.1 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 B3LYPultrafine/cc-pVDZ
ABC
2.51214 0.14523 0.14101

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.364 1.071 0.000
N2 0.000 0.601 0.000
C3 -0.567 -0.467 0.000
O4 -1.245 -1.432 0.000
H5 1.363 2.170 0.000
H6 1.908 0.727 0.896
H7 1.908 0.727 -0.896

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44312.46933.61551.09901.10271.1027
N21.44311.20942.38342.07872.11142.1114
C32.46931.20941.17873.26842.89062.8906
O43.61552.38341.17874.44703.92483.9248
H51.09902.07873.26844.44701.78321.7832
H61.10272.11142.89063.92481.78321.7921
H71.10272.11142.89063.92481.78321.7921

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 136.985 N2 C1 H5 108.964
N2 C1 H6 111.364 N2 C1 H7 111.364
N2 C3 O4 172.861 H5 C1 H6 108.174
H5 C1 H7 108.174 H6 C1 H7 108.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 N -0.250      
3 C 0.205      
4 O -0.167      
5 H 0.047      
6 H 0.045      
7 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.362 1.310 0.000 2.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.202 -0.518 0.000
y -0.518 -24.396 0.000
z 0.000 0.000 -22.319
Traceless
 xyz
x 1.156 -0.518 0.000
y -0.518 -2.136 0.000
z 0.000 0.000 0.980
Polar
3z2-r21.960
x2-y22.195
xy-0.518
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.648 1.895 0.000
y 1.895 5.258 0.000
z 0.000 0.000 2.901


<r2> (average value of r2) Å2
<r2> 83.474
(<r2>)1/2 9.136