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

using model chemistry: CCSD(T)=FULL/6-311+G(3df,2p)

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)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.757796
Energy at 298.15K 
HF Energy-243.754886
Nuclear repulsion energy125.172274
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)=FULL/6-311+G(3df,2p)
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' 3196 3196        
2 A' 3099 3099        
3 A' 1492 1492        
4 A' 1441 1441        
5 A' 1425 1425        
6 A' 1149 1149        
7 A' 944 944        
8 A' 675 675        
9 A' 614 614        
10 A" 3223 3223        
11 A" 1642 1642        
12 A" 1485 1485        
13 A" 1123 1123        
14 A" 483 483        
15 A" 32i 32i        

Unscaled Zero Point Vibrational Energy (zpe) 10980.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10980.2 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)=FULL/6-311+G(3df,2p)
ABC
0.41115 0.35443 0.19745

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.318 0.000
N2 -0.010 0.171 0.000
H3 1.044 -1.623 0.000
H4 -0.494 -1.656 0.904
H5 -0.494 -1.656 -0.904
O6 0.001 0.728 -1.086
O7 0.001 0.728 1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48881.08741.08421.08422.31602.3160
N21.48882.08072.09462.09461.22081.2208
H31.08742.08071.78451.78452.79192.7919
H41.08422.09461.78451.80713.14402.4409
H51.08422.09461.78451.80712.44093.1440
O62.31601.22082.79193.14402.44092.1730
O72.31601.22082.79192.44093.14402.1730

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 117.119 C1 N2 O7 117.119
N2 C1 H3 106.703 N2 C1 H4 107.966
N2 C1 H5 107.966 H3 C1 H4 110.524
H3 C1 H5 110.524 H4 C1 H5 112.898
O6 N2 O7 125.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability