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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-240.690414
Energy at 298.15K 
HF Energy-240.415767
Nuclear repulsion energy117.166177
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3564 3168 0.00      
2 A' 3370 2996 0.33      
3 A' 1667 1482 3.76      
4 A' 1547 1375 1.59      
5 A' 1341 1192 11.91      
6 A' 1167 1037 0.21      
7 A' 923 821 8.59      
8 A' 561 499 17.82      
9 A' 484 430 0.08      
10 A" 3574 3177 0.66      
11 A" 2089 1857 155.42      
12 A" 1678 1492 2.04      
13 A" 1160 1031 0.31      
14 A" 410 365 0.34      
15 A" 31i 27i 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11752.9 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 10447.2 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/STO-3G
ABC
0.35189 0.31745 0.17254

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.390 0.000
N2 -0.005 0.167 0.000
H3 1.047 -1.749 0.000
H4 -0.521 -1.736 0.911
H5 -0.521 -1.736 -0.911
O6 0.001 0.774 -1.181
O7 0.001 0.774 1.181

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.55701.10631.10541.10542.46472.4647
N21.55702.18652.17212.17211.32731.3273
H31.10632.18651.81341.81342.97592.9759
H41.10542.17211.81341.82153.30842.5778
H51.10542.17211.81341.82152.57783.3084
O62.46471.32732.97593.30842.57782.3610
O72.46471.32732.97592.57783.30842.3610

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 117.198 C1 N2 O7 117.198
N2 C1 H3 109.201 N2 C1 H4 108.148
N2 C1 H5 108.148 H3 C1 H4 110.159
H3 C1 H5 110.159 H4 C1 H5 110.962
O6 N2 O7 125.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability