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

using model chemistry: QCISD(T)=FULL/cc-pVDZ

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)=FULL/cc-pVDZ
 hartrees
Energy at 0K-244.424369
Energy at 298.15K 
HF Energy-243.677412
Nuclear repulsion energy124.195331
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)=FULL/cc-pVDZ
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' 3208 3077        
2 A' 3097 2970        
3 A' 1473 1413        
4 A' 1423 1364        
5 A' 1397 1340        
6 A' 1125 1079        
7 A' 931 893        
8 A' 677 649        
9 A' 597 572        
10 A" 3234 3101        
11 A" 1657 1589        
12 A" 1461 1401        
13 A" 1101 1056        
14 A" 476 456        
15 A" 35 33        

Unscaled Zero Point Vibrational Energy (zpe) 10945.9 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 10497.1 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)=FULL/cc-pVDZ
ABC
0.40311 0.35050 0.19457

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.325 0.000
N2 -0.013 0.176 0.000
H3 1.059 -1.635 0.000
H4 -0.501 -1.667 0.915
H5 -0.501 -1.667 -0.915
O6 0.002 0.730 -1.097
O7 0.002 0.730 1.097

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50041.10151.09841.09842.32962.3296
N21.50042.10342.11442.11441.22941.2294
H31.10152.10341.80861.80862.81332.8133
H41.09842.11441.80861.82903.16972.4565
H51.09842.11441.80861.82902.45653.1697
O62.32961.22942.81333.16972.45652.1939
O72.32961.22942.81332.45653.16972.1939

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 116.822 C1 N2 O7 116.822
N2 C1 H3 106.882 N2 C1 H4 107.899
N2 C1 H5 107.899 H3 C1 H4 110.593
H3 C1 H5 110.593 H4 C1 H5 112.726
O6 N2 O7 126.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability