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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-207.895931
Energy at 298.15K 
HF Energy-207.895931
Nuclear repulsion energy103.185644
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 B97D3/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3085 3085 18.06 75.62 0.63 0.77
2 A' 2978 2978 58.95 232.69 0.02 0.03
3 A' 2298 2298 903.18 2.04 0.16 0.27
4 A' 1457 1457 0.71 5.46 0.14 0.25
5 A' 1426 1426 14.49 12.19 0.45 0.62
6 A' 1397 1397 31.72 22.62 0.20 0.33
7 A' 1121 1121 17.25 0.74 0.74 0.85
8 A' 861 861 27.24 9.37 0.11 0.20
9 A' 622 622 22.11 0.85 0.45 0.62
10 A' 188 188 14.96 2.85 0.60 0.75
11 A" 3049 3049 25.61 79.33 0.75 0.86
12 A" 1452 1452 5.76 7.67 0.75 0.86
13 A" 1095 1095 0.03 0.34 0.75 0.86
14 A" 557 557 15.16 0.54 0.75 0.86
15 A" 65 65 1.48 0.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10823.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10823.5 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 B97D3/aug-cc-pVDZ
ABC
2.43564 0.14463 0.14022

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.381 1.056 0.000
N2 0.000 0.613 0.000
C3 -0.569 -0.462 0.000
O4 -1.261 -1.426 0.000
H5 1.394 2.155 0.000
H6 1.910 0.697 0.899
H7 1.910 0.697 -0.899

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.45062.47113.62521.09871.10281.1028
N21.45061.21592.39732.07882.11232.1123
C32.47111.21591.18703.27112.87962.8796
O43.62522.39731.18704.45783.92003.9200
H51.09872.07883.27114.45781.78881.7888
H61.10282.11232.87963.92001.78881.7971
H71.10282.11232.87963.92001.78881.7971

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 135.678 N2 C1 H5 108.471
N2 C1 H6 110.901 N2 C1 H7 110.901
N2 C3 O4 172.208 H5 C1 H6 108.687
H5 C1 H7 108.687 H6 C1 H7 109.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.962      
2 N -0.113      
3 C 0.075      
4 O -0.326      
5 H -0.286      
6 H -0.157      
7 H -0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.479 1.384 0.000 2.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.747 -0.591 0.000
y -0.591 -25.080 0.000
z 0.000 0.000 -22.814
Traceless
 xyz
x 1.199 -0.591 0.000
y -0.591 -2.299 0.000
z 0.000 0.000 1.100
Polar
3z2-r22.200
x2-y22.332
xy-0.591
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.996 1.998 0.000
y 1.998 6.465 0.000
z 0.000 0.000 4.041


<r2> (average value of r2) Å2
<r2> 84.151
(<r2>)1/2 9.173