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

using model chemistry: CCD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-244.611531
Energy at 298.15K 
HF Energy-243.759136
Nuclear repulsion energy125.995747
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/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' 3212 2999 1.56      
2 A' 3115 2909 1.22      
3 A' 1523 1422 66.06      
4 A' 1501 1402 22.41      
5 A' 1439 1344 1.81      
6 A' 1168 1090 0.87      
7 A' 983 918 6.99      
8 A' 699 653 28.78      
9 A' 639 596 5.84      
10 A" 3242 3027 0.18      
11 A" 1772 1654 376.58      
12 A" 1493 1394 30.06      
13 A" 1136 1061 13.53      
14 A" 495 462 0.98      
15 A" 24 23 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11220.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 10476.5 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/cc-pVTZ
ABC
0.41790 0.35773 0.20000

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.312 0.000
N2 -0.010 0.173 0.000
H3 1.043 -1.618 0.000
H4 -0.493 -1.650 0.902
H5 -0.493 -1.650 -0.902
O6 0.001 0.723 -1.077
O7 0.001 0.723 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48491.08621.08271.08272.30242.3024
N21.48492.07792.09052.09051.20941.2094
H31.08622.07791.78171.78172.78002.7800
H41.08272.09051.78171.80443.12922.4300
H51.08272.09051.78171.80442.43003.1292
O62.30241.20942.78003.12922.43002.1541
O72.30241.20942.78002.43003.12922.1541

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 117.047 C1 N2 O7 117.047
N2 C1 H3 106.806 N2 C1 H4 107.987
N2 C1 H5 107.987 H3 C1 H4 110.464
H3 C1 H5 110.464 H4 C1 H5 112.883
O6 N2 O7 125.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability