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

using model chemistry: B2PLYP=FULL/6-31+G**

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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-244.812163
Energy at 298.15K 
HF Energy-244.569166
Nuclear repulsion energy124.110056
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 B2PLYP=FULL/6-31+G**
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' 3230 3072 1.60      
2 A' 3126 2973 1.70      
3 A' 1505 1431 12.33      
4 A' 1442 1371 0.89      
5 A' 1404 1335 70.29      
6 A' 1151 1095 0.33      
7 A' 921 876 5.05      
8 A' 658 626 21.67      
9 A' 598 569 4.05      
10 A" 3260 3100 0.05      
11 A" 1627 1547 249.24      
12 A" 1493 1420 48.02      
13 A" 1129 1074 11.17      
14 A" 479 456 0.82      
15 A" 43 41 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11032.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 10492.0 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 B2PLYP=FULL/6-31+G**
ABC
0.40275 0.34987 0.19412

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.326 0.000
N2 -0.012 0.168 0.000
H3 1.047 -1.630 0.000
H4 -0.494 -1.664 0.904
H5 -0.494 -1.664 -0.904
O6 0.001 0.734 -1.099
O7 0.001 0.734 1.099

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49471.08841.08491.08492.33462.3346
N21.49472.08652.09902.09901.23561.2356
H31.08842.08651.78701.78702.80802.8080
H41.08492.09901.78701.80873.16282.4555
H51.08492.09901.78701.80872.45553.1628
O62.33461.23562.80803.16282.45552.1972
O72.33461.23562.80802.45553.16282.1972

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 117.220 C1 N2 O7 117.220
N2 C1 H3 106.687 N2 C1 H4 107.857
N2 C1 H5 107.857 H3 C1 H4 110.619
H3 C1 H5 110.619 H4 C1 H5 112.928
O6 N2 O7 125.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability