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

using model chemistry: CID/6-311+G(3df,2p)

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 CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.492681
Energy at 298.15K 
HF Energy-243.759379
Nuclear repulsion energy127.164039
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 CID/6-311+G(3df,2p)
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' 3301 3050 1.28      
2 A' 3202 2959 1.11      
3 A' 1600 1478 75.72      
4 A' 1550 1432 15.81      
5 A' 1498 1384 1.32      
6 A' 1213 1120 1.00      
7 A' 1021 944 4.55      
8 A' 724 669 30.38      
9 A' 668 617 7.33      
10 A" 3332 3079 0.02      
11 A" 1807 1669 505.16      
12 A" 1543 1426 37.66      
13 A" 1180 1090 17.66      
14 A" 513 474 1.44      
15 A" 21i 19i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11564.4 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 10685.5 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 CID/6-311+G(3df,2p)
ABC
0.42763 0.36248 0.20361

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.304 0.000
N2 -0.010 0.173 0.000
H3 1.037 -1.603 0.000
H4 -0.489 -1.640 0.897
H5 -0.489 -1.640 -0.897
O6 0.000 0.718 -1.064
O7 0.000 0.718 1.064

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.47661.07951.07581.07582.28482.2848
N21.47662.06172.07862.07861.19581.1958
H31.07952.06171.77091.77092.75622.7562
H41.07582.07861.77091.79443.10582.4139
H51.07582.07861.77091.79442.41393.1058
O62.28481.19582.75623.10582.41392.1284
O72.28481.19582.75622.41393.10582.1284

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 117.122 C1 N2 O7 117.122
N2 C1 H3 106.493 N2 C1 H4 108.018
N2 C1 H5 108.018 H3 C1 H4 110.505
H3 C1 H5 110.505 H4 C1 H5 113.025
O6 N2 O7 125.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability