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

using model chemistry: CCSD/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-244.693862
Energy at 298.15K 
HF Energy-243.778068
Nuclear repulsion energy125.953960
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/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVQZ
ABC
0.41770 0.35748 0.19987

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.312 0.000
N2 -0.010 0.172 0.000
H3 1.043 -1.615 0.000
H4 -0.493 -1.649 0.902
H5 -0.493 -1.649 -0.902
O6 0.001 0.724 -1.077
O7 0.001 0.724 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48461.08541.08191.08192.30372.3037
N21.48462.07462.08902.08901.21051.2105
H31.08542.07461.78121.78122.77842.7784
H41.08192.08901.78121.80423.12942.4301
H51.08192.08901.78121.80422.43013.1294
O62.30371.21052.77843.12942.43012.1547
O72.30371.21052.77842.43013.12942.1547

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 117.112 C1 N2 O7 117.112
N2 C1 H3 106.625 N2 C1 H4 107.938
N2 C1 H5 107.938 H3 C1 H4 110.542
H3 C1 H5 110.542 H4 C1 H5 112.983
O6 N2 O7 125.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability