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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-244.329840
Energy at 298.15K-244.334639
HF Energy-243.657842
Nuclear repulsion energy124.920951
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 CCD/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' 3229 3056 1.44      
2 A' 3129 2962 1.17      
3 A' 1530 1448 34.25      
4 A' 1517 1436 51.43      
5 A' 1465 1387 3.59      
6 A' 1178 1115 0.99      
7 A' 976 924 5.90      
8 A' 692 655 31.25      
9 A' 624 591 6.93      
10 A" 3257 3083 0.29      
11 A" 1803 1707 297.17      
12 A" 1519 1437 26.81      
13 A" 1151 1089 11.84      
14 A" 496 470 0.85      
15 A" 42 40 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11304.1 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 10699.3 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 CCD/6-31G*
ABC
0.40896 0.35388 0.19687

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.024 -1.312 0.000
N2 -0.103 0.176 0.000
H3 1.091 -1.549 0.000
H4 -0.448 -1.687 0.907
H5 -0.448 -1.687 -0.907
O6 0.024 0.722 -1.084
O7 0.024 0.722 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49361.09351.08931.08932.30502.3050
N21.49362.09852.10082.10081.22031.2203
H31.09352.09851.79241.79242.73392.7339
H41.08932.10081.79241.81423.16092.4614
H51.08932.10081.79241.81422.46143.1609
O62.30501.22032.73393.16092.46142.1678
O72.30501.22032.73392.46143.16092.1678

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 115.913 C1 N2 O7 115.913
N2 C1 H3 107.410 N2 C1 H4 107.829
N2 C1 H5 107.829 H3 C1 H4 110.396
H3 C1 H5 110.396 H4 C1 H5 112.769
O6 N2 O7 125.305
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability