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

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

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 CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-244.507846
Energy at 298.15K 
HF Energy-243.687418
Nuclear repulsion energy125.532901
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 CCSD/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' 3235 3059 0.95      
2 A' 3134 2963 0.97      
3 A' 1509 1426 35.99      
4 A' 1494 1413 46.81      
5 A' 1444 1365 2.67      
6 A' 1167 1103 0.99      
7 A' 967 914 5.78      
8 A' 689 651 27.67      
9 A' 628 594 5.65      
10 A" 3263 3085 0.08      
11 A" 1732 1638 302.15      
12 A" 1494 1412 31.38      
13 A" 1136 1074 12.04      
14 A" 487 461 0.82      
15 A" 37i 35i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11170.9 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 10562.1 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 CCSD/6-31G(2df,p)
ABC
0.41319 0.35676 0.19866

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 -1.305 0.000
N2 -0.114 0.180 0.000
H3 1.093 -1.529 0.000
H4 -0.439 -1.685 0.905
H5 -0.439 -1.685 -0.905
O6 0.026 0.717 -1.077
O7 0.026 0.717 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49141.08991.08611.08612.29112.2911
N21.49142.09212.09792.09791.21161.2116
H31.08992.09211.78581.78582.71002.7100
H41.08612.09791.78581.81013.14862.4526
H51.08612.09791.78581.81012.45263.1486
O62.29111.21162.71003.14862.45262.1535
O72.29111.21162.71002.45263.14862.1535

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 115.519 C1 N2 O7 115.519
N2 C1 H3 107.261 N2 C1 H4 107.927
N2 C1 H5 107.927 H3 C1 H4 110.313
H3 C1 H5 110.313 H4 C1 H5 112.882
O6 N2 O7 125.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability