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

using model chemistry: CCSD(T)=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-244.749309
Energy at 298.15K 
HF Energy-243.767478
Nuclear repulsion energy125.030409
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/Def2TZVPP
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' 3189 3189        
2 A' 3092 3092        
3 A' 1491 1491        
4 A' 1431 1431        
5 A' 1416 1416        
6 A' 1149 1149        
7 A' 936 936        
8 A' 672 672        
9 A' 608 608        
10 A" 3216 3216        
11 A" 1633 1633        
12 A" 1477 1477        
13 A" 1114 1114        
14 A" 471 471        
15 A" 37 37        

Unscaled Zero Point Vibrational Energy (zpe) 10965.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10965.6 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/Def2TZVPP
ABC
0.40953 0.35406 0.19694

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.319 0.000
N2 -0.010 0.172 0.000
H3 1.043 -1.624 0.000
H4 -0.494 -1.654 0.902
H5 -0.494 -1.654 -0.902
O6 0.001 0.728 -1.089
O7 0.001 0.728 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49101.08561.08241.08242.31852.3185
N21.49102.08172.09372.09371.22271.2227
H31.08562.08171.78251.78252.79322.7932
H41.08242.09371.78251.80453.14412.4403
H51.08242.09371.78251.80452.44033.1441
O62.31851.22272.79323.14412.44032.1779
O72.31851.22272.79322.44033.14412.1779

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 117.041 C1 N2 O7 117.041
N2 C1 H3 106.733 N2 C1 H4 107.844
N2 C1 H5 107.844 H3 C1 H4 110.608
H3 C1 H5 110.608 H4 C1 H5 112.932
O6 N2 O7 125.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability