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All results from a given calculation for CH3NO3 (Methyl nitrate)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-319.899285
Energy at 298.15K-319.904971
HF Energy-319.608056
Nuclear repulsion energy187.243856
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/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' 3224 3060 5.25      
2 A' 3113 2955 14.13      
3 A' 1747 1658 295.57      
4 A' 1545 1466 9.25      
5 A' 1497 1421 10.10      
6 A' 1322 1255 212.14      
7 A' 1210 1149 3.17      
8 A' 1045 992 103.67      
9 A' 861 818 164.07      
10 A' 666 632 18.87      
11 A' 574 544 1.87      
12 A' 347 329 3.11      
13 A" 3206 3043 15.09      
14 A" 1523 1446 7.61      
15 A" 1191 1130 0.86      
16 A" 756 718 15.92      
17 A" 214 203 1.08      
18 A" 146 138 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 12092.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 11477.9 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/6-31G*
ABC
0.38792 0.15605 0.11370

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.620 0.000
O2 -1.219 0.553 0.000
O3 0.727 1.590 0.000
O4 0.720 -0.602 0.000
C5 -0.142 -1.755 0.000
H6 0.561 -2.586 0.000
H7 -0.766 -1.776 0.894
H8 -0.766 -1.776 -0.894

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.22061.21211.41772.37873.25422.66902.6690
O21.22062.20482.25632.54643.60832.53502.5350
O31.21212.20482.19123.45534.17853.78853.7885
O41.41772.25632.19121.43951.99042.09382.0938
C52.37872.54643.45531.43951.08871.09011.0901
H63.25423.60834.17851.99041.08871.79341.7934
H72.66902.53503.78852.09381.09011.79341.7874
H82.66902.53503.78852.09381.09011.79341.7874

picture of Methyl nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O4 C5 112.714 O2 N1 O3 130.000
O2 N1 O4 117.371 O3 N1 O4 112.629
O4 C5 H6 102.979 O4 C5 H7 110.979
O4 C5 H8 110.979 H6 C5 H7 110.794
H6 C5 H8 110.794 H7 C5 H8 110.140
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.805      
2 O -0.401      
3 O -0.374      
4 O -0.405      
5 C -0.211      
6 H 0.198      
7 H 0.194      
8 H 0.194      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.692 0.366 0.000
y 0.366 5.948 0.000
z 0.000 0.000 2.771


<r2> (average value of r2) Å2
<r2> 100.747
(<r2>)1/2 10.037