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

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-244.888000
Energy at 298.15K-244.892102
Nuclear repulsion energy116.620646
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
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' 3114 3090 6.26      
2 A' 2981 2958 10.93      
3 A' 1489 1477 129.49      
4 A' 1479 1467 5.44      
5 A' 1403 1392 32.92      
6 A' 1112 1103 0.30      
7 A' 873 867 42.19      
8 A' 744 738 36.27      
9 A' 485 481 92.58      
10 A' 279 277 0.99      
11 A" 3058 3035 25.01      
12 A" 1468 1457 12.10      
13 A" 1100 1092 0.03      
14 A" 334 332 3.80      
15 A" 65 64 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 9991.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 9915.3 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
ABC
0.62658 0.21756 0.16669

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.378 0.402 0.000
O2 0.000 0.964 0.000
H3 2.031 1.284 0.000
H4 1.548 -0.212 0.899
H5 1.548 -0.212 -0.899
N6 -1.117 -0.118 0.000
O7 -0.697 -1.270 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.48851.09691.10181.10182.54892.6654
O21.48852.05572.14162.14161.55522.3401
H31.09692.05571.81121.81123.44573.7369
H41.10182.14161.81121.79762.81352.6393
H51.10182.14161.81121.79762.81352.6393
N62.54891.55523.44572.81352.81351.2255
O72.66542.34013.73692.63932.63931.2255

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 113.726 O2 C1 H3 104.311
O2 C1 H4 110.650 O2 C1 H5 110.650
O2 N6 O7 114.085 H3 C1 H4 110.923
H3 C1 H5 110.923 H4 C1 H5 109.316
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 O -0.331      
3 H 0.173      
4 H 0.161      
5 H 0.161      
6 N 0.242      
7 O -0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.277 -0.180 0.000 2.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.273 1.023 0.000
y 1.023 -26.206 0.000
z 0.000 0.000 -22.130
Traceless
 xyz
x 2.895 1.023 0.000
y 1.023 -4.505 0.000
z 0.000 0.000 1.610
Polar
3z2-r23.219
x2-y24.934
xy1.023
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 72.183
(<r2>)1/2 8.496