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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-169.766838
Energy at 298.15K-169.770507
HF Energy-169.766838
Nuclear repulsion energy68.647781
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 B3LYP/LANL2DZ
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' 3167 3044 18.92      
2 A' 3038 2920 3.65      
3 A' 1517 1459 14.80      
4 A' 1464 1407 47.08      
5 A' 1394 1340 41.90      
6 A' 1143 1099 22.14      
7 A' 841 808 18.66      
8 A' 542 521 2.77      
9 A" 3141 3019 9.76      
10 A" 1471 1414 23.79      
11 A" 985 946 0.58      
12 A" 170 163 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 9435.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9069.7 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 B3LYP/LANL2DZ
ABC
1.96535 0.36437 0.32619

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.982 -0.559 0.000
N2 0.000 0.582 0.000
O3 1.201 0.211 0.000
H4 -0.481 -1.534 0.000
H5 -1.618 -0.434 0.886
H6 -1.618 -0.434 -0.886

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50562.31481.09601.09751.0975
N21.50561.25702.16992.10562.1056
O32.31481.25702.42333.02423.0242
H41.09602.16992.42331.81331.8133
H51.09752.10563.02421.81331.7711
H61.09752.10563.02421.81331.7711

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.535 N2 C1 H4 112.078
N2 C1 H5 106.931 N2 C1 H6 106.931
H4 C1 H5 111.518 H4 C1 H6 111.518
H5 C1 H6 107.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.578      
2 N 0.076      
3 O -0.209      
4 H 0.232      
5 H 0.240      
6 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.557 -1.711 0.000 3.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.552 0.484 0.000
y 0.484 -19.174 0.000
z 0.000 0.000 -16.431
Traceless
 xyz
x -0.749 0.484 0.000
y 0.484 -1.683 0.000
z 0.000 0.000 2.432
Polar
3z2-r24.864
x2-y20.622
xy0.484
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.316 0.219 0.000
y 0.219 2.576 0.000
z 0.000 0.000 2.268


<r2> (average value of r2) Å2
<r2> 42.967
(<r2>)1/2 6.555