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

using model chemistry: CCSD(T)/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)/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.664054
Energy at 298.15K 
HF Energy-243.754142
Nuclear repulsion energy124.914668
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)/6-311+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' 3184 3143        
2 A' 3086 3046        
3 A' 1489 1470        
4 A' 1434 1415        
5 A' 1420 1401        
6 A' 1146 1131        
7 A' 938 926        
8 A' 671 662        
9 A' 608 600        
10 A" 3212 3170        
11 A" 1631 1610        
12 A" 1481 1462        
13 A" 1119 1105        
14 A" 480 474        
15 A" 29i 29i        

Unscaled Zero Point Vibrational Energy (zpe) 10935.1 cm-1
Scaled (by 0.9869) Zero Point Vibrational Energy (zpe) 10791.9 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 CCSD(T)/6-311+G(3df,2p)
ABC
0.40957 0.35281 0.19661

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.321 0.000
N2 -0.010 0.171 0.000
H3 1.046 -1.626 0.000
H4 -0.496 -1.657 0.905
H5 -0.496 -1.657 -0.905
O6 0.001 0.729 -1.089
O7 0.001 0.729 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49271.08901.08571.08572.32162.3216
N21.49272.08432.09772.09771.22321.2232
H31.08902.08431.78821.78822.79712.7971
H41.08572.09771.78821.81053.14932.4447
H51.08572.09771.78821.81052.44473.1493
O62.32161.22322.79713.14932.44472.1772
O72.32161.22322.79712.44473.14932.1772

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 117.129 C1 N2 O7 117.129
N2 C1 H3 106.628 N2 C1 H4 107.849
N2 C1 H5 107.849 H3 C1 H4 110.626
H3 C1 H5 110.626 H4 C1 H5 112.980
O6 N2 O7 125.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability