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

using model chemistry: QCISD(T)=FULL/Def2TZVPP

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 QCISD(T)=FULL/Def2TZVPP
 hartrees
Energy at 0K-244.750951
Energy at 298.15K 
HF Energy-243.767183
Nuclear repulsion energy124.946433
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 QCISD(T)=FULL/Def2TZVPP
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' 3187 3187        
2 A' 3091 3091        
3 A' 1491 1491        
4 A' 1428 1428        
5 A' 1410 1410        
6 A' 1147 1147        
7 A' 931 931        
8 A' 668 668        
9 A' 605 605        
10 A" 3214 3214        
11 A" 1612 1612        
12 A" 1477 1477        
13 A" 1111 1111        
14 A" 470 470        
15 A" 33 33        

Unscaled Zero Point Vibrational Energy (zpe) 10936.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10936.5 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 QCISD(T)=FULL/Def2TZVPP
ABC
0.40881 0.35373 0.19668

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.320 0.000
N2 -0.010 0.172 0.000
H3 1.043 -1.625 0.000
H4 -0.494 -1.655 0.902
H5 -0.494 -1.655 -0.902
O6 0.001 0.728 -1.090
O7 0.001 0.728 1.090

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49171.08571.08261.08262.31992.3199
N21.49172.08242.09452.09451.22381.2238
H31.08572.08241.78271.78272.79452.7945
H41.08262.09451.78271.80473.14562.4415
H51.08262.09451.78271.80472.44153.1456
O62.31991.22382.79453.14562.44152.1799
O72.31991.22382.79452.44153.14562.1799

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 117.032 C1 N2 O7 117.032
N2 C1 H3 106.730 N2 C1 H4 107.846
N2 C1 H5 107.846 H3 C1 H4 110.609
H3 C1 H5 110.609 H4 C1 H5 112.929
O6 N2 O7 125.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability