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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-243.947818
Energy at 298.15K 
HF Energy-243.523862
Nuclear repulsion energy123.270115
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 CID/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' 3265 3053 1.50      
2 A' 3164 2959 0.74      
3 A' 1567 1466 15.41      
4 A' 1523 1425 0.20      
5 A' 1430 1337 57.40      
6 A' 1218 1139 0.44      
7 A' 941 880 2.29      
8 A' 681 637 36.03      
9 A' 618 578 6.54      
10 A" 3295 3082 0.04      
11 A" 1659 1551 217.59      
12 A" 1561 1460 73.57      
13 A" 1178 1102 28.06      
14 A" 498 466 0.84      
15 A" 39 36 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11318.6 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 10585.2 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 CID/6-31G
ABC
0.39653 0.34634 0.19164

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.332 0.000
N2 -0.012 0.162 0.000
H3 1.044 -1.651 0.000
H4 -0.502 -1.663 0.903
H5 -0.502 -1.663 -0.903
O6 0.002 0.740 -1.108
O7 0.002 0.740 1.108

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49361.09011.08611.08612.34872.3487
N21.49362.09822.09452.09451.24941.2494
H31.09012.09821.79091.79092.83312.8331
H41.08612.09451.79091.80573.17362.4639
H51.08612.09451.79091.80572.46393.1736
O62.34871.24942.83313.17362.46392.2157
O72.34871.24942.83312.46393.17362.2157

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 117.525 C1 N2 O7 117.525
N2 C1 H3 107.582 N2 C1 H4 107.521
N2 C1 H5 107.521 H3 C1 H4 110.763
H3 C1 H5 110.763 H4 C1 H5 112.461
O6 N2 O7 124.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability