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

using model chemistry: MP3=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 MP3=FULL/6-31G**
 hartrees
Energy at 0K-244.362162
Energy at 298.15K 
HF Energy-243.663832
Nuclear repulsion energy125.352583
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/6-31G**
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' 3295 3295 1.60      
2 A' 3189 3189 1.20      
3 A' 1550 1550 24.27      
4 A' 1536 1536 59.81      
5 A' 1481 1481 1.89      
6 A' 1187 1187 0.74      
7 A' 990 990 6.08      
8 A' 697 697 32.39      
9 A' 628 628 6.92      
10 A" 3324 3324 0.40      
11 A" 1824 1824 297.96      
12 A" 1537 1537 24.85      
13 A" 1163 1163 12.82      
14 A" 498 498 0.79      
15 A" 35 35 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11465.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11465.8 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/6-31G**
ABC
0.41161 0.35629 0.19811

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.314 0.000
N2 -0.013 0.169 0.000
H3 1.042 -1.620 0.000
H4 -0.494 -1.649 0.900
H5 -0.494 -1.649 -0.900
O6 0.002 0.726 -1.086
O7 0.002 0.726 1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48291.08421.08091.08092.31122.3112
N21.48292.07702.08492.08491.22081.2208
H31.08422.07701.78041.78042.78702.7870
H41.08092.08491.78041.80003.13582.4337
H51.08092.08491.78041.80002.43373.1358
O62.31121.22082.78703.13582.43372.1722
O72.31121.22082.78702.43373.13582.1722

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 117.153 C1 N2 O7 117.153
N2 C1 H3 106.987 N2 C1 H4 107.791
N2 C1 H5 107.791 H3 C1 H4 110.635
H3 C1 H5 110.635 H4 C1 H5 112.749
O6 N2 O7 125.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability