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

using model chemistry: TPSSh/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-245.037021
Energy at 298.15K-245.041651
HF Energy-245.037021
Nuclear repulsion energy123.074088
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/6-31G(2df,p)
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' 3173 3062 8.64      
2 A' 3043 2937 12.15      
3 A' 1679 1620 142.75      
4 A' 1498 1445 5.68      
5 A' 1439 1388 3.21      
6 A' 1184 1142 0.50      
7 A' 994 959 80.89      
8 A' 866 836 67.02      
9 A' 661 638 109.70      
10 A' 347 335 2.19      
11 A" 3120 3010 19.20      
12 A" 1484 1432 7.76      
13 A" 1156 1115 1.05      
14 A" 378 365 1.59      
15 A" 178 171 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10598.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10227.6 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 TPSSh/6-31G(2df,p)
ABC
0.67112 0.25112 0.18931

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.322 0.309 0.000
O2 0.000 0.878 0.000
H3 1.992 1.168 0.000
H4 1.476 -0.306 0.891
H5 1.476 -0.306 -0.891
N6 -1.026 -0.018 0.000
O7 -0.712 -1.164 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43951.08901.09321.09322.37132.5115
O21.43952.01342.09112.09111.36192.1621
H31.08902.01341.79761.79763.24303.5705
H41.09322.09111.79761.78152.67172.5132
H51.09322.09111.79761.78152.67172.5132
N62.37131.36193.24302.67172.67171.1886
O72.51152.16213.57052.51322.51321.1886

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 115.632 O2 C1 H3 104.699
O2 C1 H4 110.564 O2 C1 H5 110.564
O2 N6 O7 115.759 H3 C1 H4 110.919
H3 C1 H5 110.919 H4 C1 H5 109.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability