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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-243.677667
Energy at 298.15K-243.682021
Nuclear repulsion energy120.310068
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 LSDA/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' 3159 3094 0.51      
2 A' 2995 2935 3.42      
3 A' 1551 1519 136.93      
4 A' 1457 1427 9.19      
5 A' 1393 1365 13.59      
6 A' 1118 1096 0.43      
7 A' 958 938 25.04      
8 A' 813 797 49.00      
9 A' 559 548 89.49      
10 A' 322 316 4.21      
11 A" 3078 3016 8.82      
12 A" 1438 1408 23.78      
13 A" 1110 1088 0.17      
14 A" 385 377 3.29      
15 A" 89 87 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10212.3 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 10005.0 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 LSDA/6-31G
ABC
0.64371 0.23994 0.18082

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.326 0.349 0.000
O2 0.000 0.931 0.000
H3 2.011 1.205 0.000
H4 1.478 -0.282 0.893
H5 1.478 -0.282 -0.893
N6 -1.077 -0.067 0.000
O7 -0.673 -1.213 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.44851.09651.10401.10402.43902.5373
O21.44852.02992.11032.11031.46852.2474
H31.09652.02991.81481.81483.34013.6131
H41.10402.11031.81481.78672.71502.5085
H51.10402.11031.81481.78672.71502.5085
N62.43901.46853.34012.71502.71501.2149
O72.53732.24743.61312.50852.50851.2149

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 113.464 O2 C1 H3 104.959
O2 C1 H4 110.815 O2 C1 H5 110.815
O2 N6 O7 113.426 H3 C1 H4 111.121
H3 C1 H5 111.121 H4 C1 H5 108.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.347      
2 O -0.318      
3 H 0.224      
4 H 0.212      
5 H 0.212      
6 N 0.242      
7 O -0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.558 -0.037 0.000 2.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.646 0.819 0.000
y 0.819 -26.343 0.000
z 0.000 0.000 -22.096
Traceless
 xyz
x 2.573 0.819 0.000
y 0.819 -4.472 0.000
z 0.000 0.000 1.899
Polar
3z2-r23.798
x2-y24.697
xy0.819
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.571 0.935 0.000
y 0.935 4.340 0.000
z 0.000 0.000 2.473


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000