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

using model chemistry: MP3=FULL/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 MP3=FULL/TZVP
 hartrees
Energy at 0K-244.549111
Energy at 298.15K 
HF Energy-243.748187
Nuclear repulsion energy125.786582
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 MP3=FULL/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' 3242 3027 1.82      
2 A' 3142 2933 1.29      
3 A' 1519 1418 36.20      
4 A' 1508 1408 44.55      
5 A' 1471 1373 5.31      
6 A' 1180 1102 0.30      
7 A' 989 924 7.51      
8 A' 700 653 27.61      
9 A' 623 582 5.81      
10 A" 3271 3054 0.25      
11 A" 1766 1649 412.45      
12 A" 1509 1409 30.53      
13 A" 1159 1082 18.06      
14 A" 501 468 1.03      
15 A" 26 24 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11302.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 10552.8 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 MP3=FULL/TZVP
ABC
0.41859 0.35460 0.19920

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.318 0.000
N2 -0.012 0.172 0.000
H3 1.044 -1.623 0.000
H4 -0.494 -1.655 0.901
H5 -0.494 -1.655 -0.901
O6 0.001 0.727 -1.076
O7 0.001 0.727 1.076

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48941.08591.08241.08242.31082.3108
N21.48942.08222.09282.09281.21111.2111
H31.08592.08221.78281.78282.78692.7869
H41.08242.09281.78281.80273.13512.4391
H51.08242.09281.78281.80272.43913.1351
O62.31081.21112.78693.13512.43912.1522
O72.31081.21112.78692.43913.13512.1522

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 117.296 C1 N2 O7 117.296
N2 C1 H3 106.855 N2 C1 H4 107.876
N2 C1 H5 107.876 H3 C1 H4 110.614
H3 C1 H5 110.614 H4 C1 H5 112.753
O6 N2 O7 125.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability