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

using model chemistry: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-244.493862
Energy at 298.15K 
HF Energy-243.746485
Nuclear repulsion energy125.098304
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/TZVP
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' 3219 3073 2.31      
2 A' 3119 2977 2.06      
3 A' 1507 1439 10.22      
4 A' 1464 1398 27.19      
5 A' 1455 1388 45.82      
6 A' 1171 1117 0.13      
7 A' 958 915 6.26      
8 A' 683 651 25.63      
9 A' 612 584 5.87      
10 A" 3247 3099 0.42      
11 A" 1661 1586 360.22      
12 A" 1501 1432 41.27      
13 A" 1145 1093 21.81      
14 A" 492 469 0.89      
15 A" 18 17 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11126.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 10618.8 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/TZVP
ABC
0.41264 0.35182 0.19702

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.324 0.000
N2 -0.012 0.173 0.000
H3 1.046 -1.627 0.000
H4 -0.496 -1.660 0.903
H5 -0.496 -1.660 -0.903
O6 0.002 0.730 -1.084
O7 0.002 0.730 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49661.08801.08471.08472.32232.3223
N21.49662.08812.09952.09951.21911.2191
H31.08802.08811.78791.78792.79672.7967
H41.08472.09951.78791.80693.14772.4475
H51.08472.09951.78791.80692.44753.1477
O62.32231.21912.79673.14772.44752.1685
O72.32231.21912.79672.44753.14772.1685

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 117.185 C1 N2 O7 117.185
N2 C1 H3 106.711 N2 C1 H4 107.778
N2 C1 H5 107.778 H3 C1 H4 110.752
H3 C1 H5 110.752 H4 C1 H5 112.792
O6 N2 O7 125.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability