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

using model chemistry: TPSSh/6-31+G**

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 TPSSh/6-31+G**
 hartrees
Energy at 0K-245.030471
Energy at 298.15K-245.035071
HF Energy-245.030471
Nuclear repulsion energy122.461910
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 TPSSh/6-31+G**
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' 3196 3076 6.89      
2 A' 3062 2947 14.24      
3 A' 1673 1610 189.02      
4 A' 1504 1448 5.48      
5 A' 1444 1390 3.66      
6 A' 1181 1137 0.51      
7 A' 985 948 98.86      
8 A' 850 818 76.99      
9 A' 655 631 133.48      
10 A' 337 324 2.18      
11 A" 3143 3025 17.62      
12 A" 1492 1436 9.87      
13 A" 1151 1108 1.25      
14 A" 373 359 2.53      
15 A" 177 170 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10611.7 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 10213.7 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 TPSSh/6-31+G**
ABC
0.67048 0.24658 0.18670

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.339 0.329 0.000
O2 0.000 0.872 0.000
H3 1.986 1.204 0.000
H4 1.506 -0.280 0.892
H5 1.506 -0.280 -0.892
N6 -1.031 -0.024 0.000
O7 -0.726 -1.179 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.44431.08841.09301.09302.39572.5571
O21.44432.01352.09502.09501.36592.1756
H31.08842.01351.79691.79693.25733.6105
H41.09302.09501.79691.78402.70092.5663
H51.09302.09501.79691.78402.70092.5663
N62.39571.36593.25732.70092.70091.1941
O72.55712.17563.61052.56632.56631.1941

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 116.936 O2 C1 H3 104.430
O2 C1 H4 110.549 O2 C1 H5 110.549
O2 N6 O7 116.224 H3 C1 H4 110.921
H3 C1 H5 110.921 H4 C1 H5 109.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 O -0.017      
3 H 0.178      
4 H 0.177      
5 H 0.177      
6 N -0.214      
7 O -0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.397 0.112 0.000 2.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.140 0.822 0.000
y 0.822 4.987 0.000
z 0.000 0.000 3.254


<r2> (average value of r2) Å2
<r2> 66.437
(<r2>)1/2 8.151