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

using model chemistry: BLYP/STO-3G

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 BLYP/STO-3G
 hartrees
Energy at 0K-241.697520
Energy at 298.15K-241.701659
Nuclear repulsion energy115.721947
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/STO-3G
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' 3348 3097 0.64      
2 A' 3148 2912 1.49      
3 A' 1592 1473 7.68      
4 A' 1542 1426 22.18      
5 A' 1468 1358 16.56      
6 A' 1129 1045 0.20      
7 A' 1022 945 23.01      
8 A' 858 793 38.11      
9 A' 641 593 5.33      
10 A' 310 287 0.71      
11 A" 3298 3051 3.80      
12 A" 1574 1457 5.08      
13 A" 1104 1021 0.20      
14 A" 327 303 0.11      
15 A" 89 83 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10723.7 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 9921.5 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 BLYP/STO-3G
ABC
0.56703 0.23137 0.16982

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.352 0.323 0.000
O2 0.000 0.998 0.000
H3 2.097 1.150 0.000
H4 1.487 -0.314 0.908
H5 1.487 -0.314 -0.908
N6 -1.129 -0.055 0.000
O7 -0.660 -1.258 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.51061.11291.11721.11722.50942.5584
O21.51062.10252.18072.18071.54392.3503
H31.11292.10251.82701.82703.44373.6600
H41.11722.18071.82701.81562.78112.5146
H51.11722.18071.82701.81562.78112.5146
N62.50941.54393.44372.78112.78111.2912
O72.55842.35033.66002.51462.51461.2912

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 110.472 O2 C1 H3 105.522
O2 C1 H4 111.286 O2 C1 H5 111.286
O2 N6 O7 111.682 H3 C1 H4 110.018
H3 C1 H5 110.018 H4 C1 H5 108.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 O -0.074      
3 H 0.095      
4 H 0.090      
5 H 0.090      
6 N 0.024      
7 O -0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.794 -0.150 0.000 1.801
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.529 0.642 0.000
y 0.642 -22.464 0.000
z 0.000 0.000 -19.902
Traceless
 xyz
x 0.655 0.642 0.000
y 0.642 -2.249 0.000
z 0.000 0.000 1.594
Polar
3z2-r23.188
x2-y21.935
xy0.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.990 0.750 0.000
y 0.750 2.739 0.000
z 0.000 0.000 1.241


<r2> (average value of r2) Å2
<r2> 69.720
(<r2>)1/2 8.350