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

using model chemistry: B1B95/cc-pVTZ

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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-245.015878
Energy at 298.15K 
HF Energy-245.015878
Nuclear repulsion energy126.037364
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 B1B95/cc-pVTZ
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' 3199 3062 1.69      
2 A' 3104 2971 0.42      
3 A' 1485 1422 52.04      
4 A' 1467 1404 60.28      
5 A' 1406 1346 10.69      
6 A' 1140 1091 1.72      
7 A' 957 916 14.23      
8 A' 680 651 20.37      
9 A' 628 601 5.41      
10 A" 3232 3094 0.24      
11 A" 1701 1628 335.71      
12 A" 1465 1402 34.71      
13 A" 1112 1064 9.80      
14 A" 480 460 0.69      
15 A" 23 22 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11039.3 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 10565.7 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 B1B95/cc-pVTZ
ABC
0.41829 0.35780 0.20008

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.312 0.000
N2 -0.010 0.174 0.000
H3 1.042 -1.616 0.000
H4 -0.490 -1.651 0.902
H5 -0.490 -1.651 -0.902
O6 0.000 0.723 -1.077
O7 0.000 0.723 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48521.08541.08161.08162.30202.3020
N21.48522.07562.09172.09171.20881.2088
H31.08542.07561.77871.77872.77772.7777
H41.08162.09171.77871.80403.12952.4309
H51.08162.09171.77871.80402.43093.1295
O62.30201.20882.77773.12952.43092.1533
O72.30201.20882.77772.43093.12952.1533

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 117.036 C1 N2 O7 117.036
N2 C1 H3 106.655 N2 C1 H4 108.127
N2 C1 H5 108.127 H3 C1 H4 110.329
H3 C1 H5 110.329 H4 C1 H5 113.023
O6 N2 O7 125.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.217      
2 N 0.338      
3 H 0.143      
4 H 0.135      
5 H 0.135      
6 O -0.267      
7 O -0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.035 -3.492 0.000 3.493
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.311 -0.085 0.000
y -0.085 -21.864 0.000
z 0.000 0.000 -26.154
Traceless
 xyz
x 2.698 -0.085 0.000
y -0.085 1.868 0.000
z 0.000 0.000 -4.566
Polar
3z2-r2-9.133
x2-y20.553
xy-0.085
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.915 -0.027 0.000
y -0.027 4.343 0.000
z 0.000 0.000 5.135


<r2> (average value of r2) Å2
<r2> 63.140
(<r2>)1/2 7.946