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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: BLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-169.765361
Energy at 298.15K-169.768978
HF Energy-169.765361
Nuclear repulsion energy69.416674
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/6-31G(2df,p)
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' 3060 3043 14.62      
2 A' 2943 2927 2.05      
3 A' 1564 1556 64.21      
4 A' 1410 1402 21.31      
5 A' 1312 1305 17.96      
6 A' 1101 1095 17.73      
7 A' 751 747 38.41      
8 A' 543 540 0.12      
9 A" 3023 3006 4.90      
10 A" 1410 1403 7.14      
11 A" 917 912 1.02      
12 A" 168 167 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 9101.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9051.2 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/6-31G(2df,p)
ABC
1.98481 0.37236 0.33320

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.958 -0.587 0.000
N2 0.000 0.583 0.000
O3 1.172 0.241 0.000
H4 -0.424 -1.549 0.000
H5 -1.603 -0.470 0.887
H6 -1.603 -0.470 -0.887

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.51162.28501.10011.10301.1030
N21.51161.22062.17352.11272.1127
O32.28501.22062.39862.99862.9986
H41.10012.17352.39861.82741.8274
H51.10302.11272.99861.82741.7743
H61.10302.11272.99861.82741.7743

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.075 N2 C1 H4 111.685
N2 C1 H5 106.766 N2 C1 H6 106.766
H4 C1 H5 112.095 H4 C1 H6 112.095
H5 C1 H6 107.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 N 0.042      
3 O -0.172      
4 H 0.116      
5 H 0.138      
6 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.769 -1.235 0.000 2.158
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.858 0.320 0.000
y 0.320 -18.773 0.000
z 0.000 0.000 -16.474
Traceless
 xyz
x -0.234 0.320 0.000
y 0.320 -1.607 0.000
z 0.000 0.000 1.842
Polar
3z2-r23.684
x2-y20.915
xy0.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.497 0.468 0.000
y 0.468 3.212 0.000
z 0.000 0.000 2.680


<r2> (average value of r2) Å2
<r2> 42.188
(<r2>)1/2 6.495