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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-244.414557
Energy at 298.15K 
HF Energy-243.677416
Nuclear repulsion energy124.187055
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)/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' 3203 3135        
2 A' 3093 3027        
3 A' 1471 1440        
4 A' 1425 1394        
5 A' 1397 1368        
6 A' 1125 1101        
7 A' 935 915        
8 A' 671 657        
9 A' 599 586        
10 A" 3229 3161        
11 A" 1669 1634        
12 A" 1459 1428        
13 A" 1100 1077        
14 A" 478 468        
15 A" 43 42        

Unscaled Zero Point Vibrational Energy (zpe) 10948.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 10716.3 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)/cc-pVDZ
ABC
0.40330 0.35024 0.19455

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/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 -0.502 -1.667 0.915
H5 -0.502 -1.667 -0.915
O6 0.002 0.731 -1.097
O7 0.002 0.731 1.097

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50101.10251.09931.09932.33022.3302
N21.50102.10452.11522.11521.22921.2292
H31.10252.10451.81031.81032.81422.8142
H41.09932.11521.81031.83073.17052.4570
H51.09932.11521.81031.83072.45703.1705
O62.33021.22922.81423.17052.45702.1932
O72.33021.22922.81422.45703.17052.1932

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 116.838 C1 N2 O7 116.838
N2 C1 H3 106.870 N2 C1 H4 107.868
N2 C1 H5 107.868 H3 C1 H4 110.617
H3 C1 H5 110.617 H4 C1 H5 112.749
O6 N2 O7 126.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability