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

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.448857
Energy at 298.15K 
HF Energy-243.699838
Nuclear repulsion energy123.961559
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 MP2=FULL/aug-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' 3231 3131 1.68      
2 A' 3117 3021 2.25      
3 A' 1478 1432 10.98      
4 A' 1423 1379 36.47      
5 A' 1407 1364 14.04      
6 A' 1135 1100 0.14      
7 A' 940 911 4.24      
8 A' 669 648 23.14      
9 A' 597 579 2.62      
10 A" 3259 3159 0.02      
11 A" 1762 1708 156.59      
12 A" 1467 1422 21.26      
13 A" 1118 1084 3.07      
14 A" 480 465 0.87      
15 A" 19 18 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11050.7 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 10710.3 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 MP2=FULL/aug-cc-pVDZ
ABC
0.40145 0.34995 0.19395

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.325 0.000
N2 -0.011 0.167 0.000
H3 1.054 -1.633 0.000
H4 -0.499 -1.664 0.912
H5 -0.499 -1.664 -0.912
O6 0.001 0.734 -1.100
O7 0.001 0.734 1.100

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49221.09711.09391.09392.33402.3340
N21.49222.09162.10302.10301.23721.2372
H31.09712.09161.80121.80122.81382.8138
H41.09392.10301.80121.82403.16962.4565
H51.09392.10301.80121.82402.45653.1696
O62.33401.23722.81383.16962.45652.1996
O72.33401.23722.81382.45653.16962.1996

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 117.245 C1 N2 O7 117.245
N2 C1 H3 106.769 N2 C1 H4 107.827
N2 C1 H5 107.827 H3 C1 H4 110.591
H3 C1 H5 110.591 H4 C1 H5 112.964
O6 N2 O7 125.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability