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All results from a given calculation for CH3ONO (Methyl nitrite)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-244.943395
Energy at 298.15K-244.948236
Nuclear repulsion energy124.388251
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 B1B95/6-31G(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' 3197 3061 6.20      
2 A' 3062 2932 10.38      
3 A' 1729 1656 141.66      
4 A' 1486 1423 6.73      
5 A' 1441 1380 2.35      
6 A' 1195 1145 0.59      
7 A' 1040 996 100.94      
8 A' 906 868 84.25      
9 A' 732 701 82.89      
10 A' 387 371 2.99      
11 A" 3143 3010 14.41      
12 A" 1476 1414 9.65      
13 A" 1160 1111 0.73      
14 A" 386 369 1.61      
15 A" 254 243 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10796.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 10339.6 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 B1B95/6-31G(2df,p)
ABC
0.68262 0.25755 0.19382

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.302 0.305 0.000
O2 0.000 0.883 0.000
H3 1.985 1.151 0.000
H4 1.450 -0.315 0.887
H5 1.450 -0.315 -0.887
N6 -1.032 -0.026 0.000
O7 -0.685 -1.154 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.42471.08731.09201.09202.35712.4646
O21.42472.00262.07932.07931.37452.1483
H31.08732.00261.79471.79473.23763.5266
H41.09202.07931.79471.77442.65142.4594
H51.09202.07931.79471.77442.65142.4594
N62.35711.37453.23762.65142.65141.1801
O72.46462.14833.52662.45942.45941.1801

picture of Methyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 N6 114.702 O2 C1 H3 104.932
O2 C1 H4 110.726 O2 C1 H5 110.726
O2 N6 O7 114.265 H3 C1 H4 110.884
H3 C1 H5 110.884 H4 C1 H5 108.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 O -0.236      
3 H 0.158      
4 H 0.156      
5 H 0.156      
6 N 0.242      
7 O -0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.117 0.200 0.000 2.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.441 0.414 0.000
y 0.414 -24.677 0.000
z 0.000 0.000 -21.599
Traceless
 xyz
x 1.697 0.414 0.000
y 0.414 -3.158 0.000
z 0.000 0.000 1.461
Polar
3z2-r22.921
x2-y23.236
xy0.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.562 0.742 0.000
y 0.742 4.238 0.000
z 0.000 0.000 2.936


<r2> (average value of r2) Å2
<r2> 64.156
(<r2>)1/2 8.010