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

using model chemistry: QCISD(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 QCISD(T)/6-311G*
 hartrees
Energy at 0K-244.481018
Energy at 298.15K 
HF Energy-243.717612
Nuclear repulsion energy124.442877
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 QCISD(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' 3174 3056        
2 A' 3074 2959        
3 A' 1496 1440        
4 A' 1438 1385        
5 A' 1416 1363        
6 A' 1151 1108        
7 A' 934 899        
8 A' 672 647        
9 A' 600 577        
10 A" 3201 3082        
11 A" 1644 1583        
12 A" 1488 1433        
13 A" 1126 1084        
14 A" 485 467        
15 A" 48 47        

Unscaled Zero Point Vibrational Energy (zpe) 10973.1 cm-1
Scaled (by 0.9628) Zero Point Vibrational Energy (zpe) 10564.9 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 QCISD(T)/6-311G*
ABC
0.40595 0.35050 0.19515

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.326 0.000
N2 -0.014 0.174 0.000
H3 1.053 -1.629 0.000
H4 -0.498 -1.664 0.908
H5 -0.498 -1.664 -0.908
O6 0.002 0.731 -1.093
O7 0.002 0.731 1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49961.09381.09041.09042.32942.3294
N21.49962.09522.10642.10641.22741.2274
H31.09382.09521.79741.79742.80572.8057
H41.09042.10641.79741.81603.16122.4540
H51.09042.10641.79741.81602.45403.1612
O62.32941.22742.80573.16122.45402.1868
O72.32941.22742.80572.45403.16122.1868

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 116.996 C1 N2 O7 116.996
N2 C1 H3 106.734 N2 C1 H4 107.785
N2 C1 H5 107.785 H3 C1 H4 110.750
H3 C1 H5 110.750 H4 C1 H5 112.761
O6 N2 O7 125.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability