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

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

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/6-31G
 hartrees
Energy at 0K-244.622143
Energy at 298.15K 
HF Energy-244.443268
Nuclear repulsion energy121.707315
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/6-31G
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' 3225 3225 1.91      
2 A' 3120 3120 1.02      
3 A' 1536 1536 16.37      
4 A' 1473 1473 1.23      
5 A' 1284 1284 55.82      
6 A' 1174 1174 0.27      
7 A' 866 866 2.75      
8 A' 636 636 25.49      
9 A' 575 575 3.40      
10 A" 3255 3255 0.16      
11 A" 1548 1548 0.69      
12 A" 1476 1476 121.00      
13 A" 1135 1135 11.69      
14 A" 469 469 0.41      
15 A" 38 38 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 10904.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10904.3 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 B2PLYP=FULL/6-31G
ABC
0.38203 0.34172 0.18682

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.340 0.000
N2 -0.013 0.160 0.000
H3 1.045 -1.660 0.000
H4 -0.502 -1.674 0.904
H5 -0.502 -1.674 -0.904
O6 0.002 0.745 -1.130
O7 0.002 0.745 1.130

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50091.09081.08691.08692.37252.3725
N21.50092.10532.10222.10221.27291.2729
H31.09082.10531.79161.79162.85492.8549
H41.08692.10221.79161.80723.20052.4815
H51.08692.10221.79161.80722.48153.2005
O62.37251.27292.85493.20052.48152.2606
O72.37251.27292.85492.48153.20052.2606

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 117.358 C1 N2 O7 117.358
N2 C1 H3 107.593 N2 C1 H4 107.572
N2 C1 H5 107.572 H3 C1 H4 110.706
H3 C1 H5 110.706 H4 C1 H5 112.469
O6 N2 O7 125.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability