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

using model chemistry: CCSD(T)/6-311G*

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(T)/6-311G*
 hartrees
Energy at 0K-244.479373
Energy at 298.15K 
HF Energy-243.717933
Nuclear repulsion energy124.528851
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(T)/6-311G*
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' 3176 3057        
2 A' 3076 2961        
3 A' 1497 1441        
4 A' 1441 1387        
5 A' 1423 1369        
6 A' 1154 1111        
7 A' 938 903        
8 A' 675 650        
9 A' 603 580        
10 A" 3203 3084        
11 A" 1660 1598        
12 A" 1489 1433        
13 A" 1128 1086        
14 A" 486 468        
15 A" 63 61        

Unscaled Zero Point Vibrational Energy (zpe) 11005.8 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 10594.2 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 CCSD(T)/6-311G*
ABC
0.40669 0.35085 0.19543

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.325 0.000
N2 -0.014 0.174 0.000
H3 1.053 -1.629 0.000
H4 -0.498 -1.663 0.908
H5 -0.498 -1.663 -0.908
O6 0.002 0.731 -1.092
O7 0.002 0.731 1.092

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49871.09371.09031.09032.32802.3280
N21.49872.09452.10542.10541.22631.2263
H31.09372.09451.79721.79722.80452.8045
H41.09032.10541.79721.81583.15952.4527
H51.09032.10541.79721.81582.45273.1595
O62.32801.22632.80453.15952.45272.1847
O72.32801.22632.80452.45273.15952.1847

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 117.012 C1 N2 O7 117.012
N2 C1 H3 106.747 N2 C1 H4 107.781
N2 C1 H5 107.781 H3 C1 H4 110.748
H3 C1 H5 110.748 H4 C1 H5 112.761
O6 N2 O7 125.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability