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

using model chemistry: B1B95/6-311G**

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 B1B95/6-311G**
 hartrees
Energy at 0K-244.990493
Energy at 298.15K-244.995216
Nuclear repulsion energy124.093152
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 B1B95/6-311G**
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' 3194 3066 6.79      
2 A' 3059 2936 11.37      
3 A' 1733 1664 165.64      
4 A' 1488 1428 8.02      
5 A' 1437 1380 2.64      
6 A' 1187 1139 0.61      
7 A' 1029 988 105.96      
8 A' 888 852 82.87      
9 A' 706 678 115.61      
10 A' 363 348 2.57      
11 A" 3134 3009 19.53      
12 A" 1469 1411 11.80      
13 A" 1158 1112 0.56      
14 A" 383 368 2.76      
15 A" 197 189 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 10712.0 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 10284.6 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 B1B95/6-311G**
ABC
0.68657 0.25389 0.19205

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.311 0.314 0.000
O2 0.000 0.880 0.000
H3 1.981 1.168 0.000
H4 1.465 -0.301 0.887
H5 1.465 -0.301 -0.887
N6 -1.036 -0.033 0.000
O7 -0.691 -1.158 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.42821.08531.09081.09082.37262.4847
O21.42822.00172.08122.08121.38122.1522
H31.08532.00171.79231.79233.24723.5423
H41.09082.08121.79231.77482.66762.4839
H51.09082.08121.79231.77482.66762.4839
N62.37261.38123.24722.66762.66761.1766
O72.48472.15223.54232.48392.48391.1766

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 115.230 O2 C1 H3 104.748
O2 C1 H4 110.705 O2 C1 H5 110.705
O2 N6 O7 114.343 H3 C1 H4 110.889
H3 C1 H5 110.889 H4 C1 H5 108.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 O -0.263      
3 H 0.150      
4 H 0.145      
5 H 0.145      
6 N 0.217      
7 O -0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.205 0.133 0.000 2.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.562 0.470 0.000
y 0.470 -25.510 0.000
z 0.000 0.000 -21.795
Traceless
 xyz
x 2.091 0.470 0.000
y 0.470 -3.832 0.000
z 0.000 0.000 1.741
Polar
3z2-r23.482
x2-y23.948
xy0.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.410 0.755 0.000
y 0.755 4.244 0.000
z 0.000 0.000 2.729


<r2> (average value of r2) Å2
<r2> 64.846
(<r2>)1/2 8.053