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

using model chemistry: MP2=FULL/cc-pVTZ

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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-244.667491
Energy at 298.15K-244.672260
HF Energy-243.758673
Nuclear repulsion energy123.928222
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 MP2=FULL/cc-pVTZ
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' 3232 3069 4.50      
2 A' 3109 2951 12.89      
3 A' 1599 1518 110.03      
4 A' 1523 1446 6.93      
5 A' 1463 1389 4.30      
6 A' 1200 1139 0.84      
7 A' 1052 999 127.19      
8 A' 879 834 103.75      
9 A' 693 658 158.78      
10 A' 369 350 2.15      
11 A" 3181 3020 14.83      
12 A" 1511 1434 9.87      
13 A" 1182 1122 0.99      
14 A" 376 357 1.55      
15 A" 226 215 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 10796.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10250.4 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 MP2=FULL/cc-pVTZ
ABC
0.67452 0.25649 0.19249

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.303 0.296 0.000
O2 0.000 0.883 0.000
H3 1.980 1.137 0.000
H4 1.450 -0.315 0.883
H5 1.450 -0.315 -0.883
N6 -1.016 -0.013 0.000
O7 -0.698 -1.157 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.42901.07931.08401.08402.33982.4732
O21.42901.99622.07802.07801.35462.1556
H31.07931.99621.77991.77993.20923.5261
H41.08402.07801.77991.76582.63712.4708
H51.08402.07801.77991.76582.63712.4708
N62.33981.35463.20922.63712.63711.1868
O72.47322.15563.52612.47082.47081.1868

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 114.370 O2 C1 H3 104.613
O2 C1 H4 110.819 O2 C1 H5 110.819
O2 N6 O7 115.871 H3 C1 H4 110.736
H3 C1 H5 110.736 H4 C1 H5 109.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability