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

using model chemistry: CCSD=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-244.351318
Energy at 298.15K 
HF Energy-243.657013
Nuclear repulsion energy124.688318
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=FULL/6-31G*
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' 3225 3063 1.57      
2 A' 3126 2969 1.36      
3 A' 1524 1448 11.14      
4 A' 1490 1415 70.09      
5 A' 1461 1388 5.96      
6 A' 1175 1116 0.88      
7 A' 961 913 5.01      
8 A' 684 650 30.28      
9 A' 619 588 6.94      
10 A" 3253 3090 0.38      
11 A" 1719 1633 272.85      
12 A" 1516 1440 32.97      
13 A" 1145 1087 13.85      
14 A" 492 467 0.79      
15 A" 31 29 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11209.6 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 10646.9 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=FULL/6-31G*
ABC
0.40634 0.35357 0.19616

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.319 0.000
N2 -0.014 0.170 0.000
H3 1.050 -1.625 0.000
H4 -0.498 -1.656 0.907
H5 -0.498 -1.656 -0.907
O6 0.002 0.729 -1.093
O7 0.002 0.729 1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48851.09251.08901.08902.32102.3210
N21.48852.08662.09552.09551.22781.2278
H31.09252.08661.79441.79442.79922.7992
H41.08902.09551.79441.81403.15252.4440
H51.08902.09551.79441.81402.44403.1525
O62.32101.22782.79923.15252.44402.1859
O72.32101.22782.79922.44403.15252.1859

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 117.081 C1 N2 O7 117.081
N2 C1 H3 106.883 N2 C1 H4 107.771
N2 C1 H5 107.771 H3 C1 H4 110.681
H3 C1 H5 110.681 H4 C1 H5 112.788
O6 N2 O7 125.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability