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

using model chemistry: CISD/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 CISD/Def2TZVPP
 hartrees
Energy at 0K-244.506662
Energy at 298.15K 
HF Energy-243.772270
Nuclear repulsion energy127.052410
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 CISD/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' 3302 3302 1.40      
2 A' 3205 3205 0.99      
3 A' 1585 1585 82.23      
4 A' 1548 1548 17.22      
5 A' 1496 1496 1.21      
6 A' 1212 1212 1.17      
7 A' 1016 1016 5.81      
8 A' 721 721 31.56      
9 A' 665 665 8.16      
10 A" 3333 3333 0.10      
11 A" 1792 1792 474.10      
12 A" 1537 1537 36.87      
13 A" 1175 1175 18.03      
14 A" 509 509 1.21      
15 A" 30 30 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11562.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11562.4 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 CISD/Def2TZVPP
ABC
0.42614 0.36243 0.20326

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.304 0.000
N2 -0.010 0.174 0.000
H3 1.037 -1.603 0.000
H4 -0.489 -1.640 0.897
H5 -0.489 -1.640 -0.897
O6 0.000 0.718 -1.066
O7 0.000 0.718 1.066

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.47741.07891.07521.07522.28592.2859
N21.47742.06232.07862.07861.19741.1974
H31.07892.06231.77021.77022.75692.7569
H41.07522.07861.77021.79313.10662.4139
H51.07522.07861.77021.79312.41393.1066
O62.28591.19742.75693.10662.41392.1326
O72.28591.19742.75692.41393.10662.1326

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 117.049 C1 N2 O7 117.049
N2 C1 H3 106.518 N2 C1 H4 108.002
N2 C1 H5 108.002 H3 C1 H4 110.528
H3 C1 H5 110.528 H4 C1 H5 112.988
O6 N2 O7 125.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability