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

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-320.217955
Energy at 298.15K-320.223573
HF Energy-320.217955
Nuclear repulsion energy186.995507
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 TPSSh/6-31+G**
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' 3184 3065 4.70      
2 A' 3073 2958 16.27      
3 A' 1720 1655 407.75      
4 A' 1515 1458 10.09      
5 A' 1467 1412 15.34      
6 A' 1319 1269 219.93      
7 A' 1188 1143 2.02      
8 A' 1007 969 83.78      
9 A' 841 810 180.53      
10 A' 649 625 28.35      
11 A' 556 535 6.33      
12 A' 329 317 3.03      
13 A" 3167 3049 14.81      
14 A" 1491 1435 9.31      
15 A" 1167 1123 1.00      
16 A" 750 722 11.07      
17 A" 200 193 1.43      
18 A" 144 138 2.19      

Unscaled Zero Point Vibrational Energy (zpe) 11883.3 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 11437.6 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 TPSSh/6-31+G**
ABC
0.38863 0.15504 0.11324

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.615 0.000
O2 -1.216 0.575 0.000
O3 0.746 1.569 0.000
O4 0.680 -0.574 0.000
C5 -0.129 -1.774 0.000
H6 0.592 -2.587 0.000
H7 -0.751 -1.816 0.892
H8 -0.751 -1.816 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21671.21131.37012.39313.25672.69652.6965
O21.21672.20012.21722.58823.64262.59392.5939
O31.21132.20012.14423.45634.15923.80763.8076
O41.37012.21722.14421.44792.01502.09452.0945
C52.39312.58823.45631.44791.08711.08801.0880
H63.25673.64264.15922.01501.08711.78741.7874
H72.69652.59393.80762.09451.08801.78741.7840
H82.69652.59393.80762.09451.08801.78741.7840

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 116.224 O2 N1 O3 129.951
O2 N1 O4 117.864 O3 N1 O4 112.186
O4 C5 H6 104.389 O4 C5 H7 110.566
O4 C5 H8 110.566 H6 C5 H7 110.525
H6 C5 H8 110.525 H7 C5 H8 110.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.106      
2 O -0.090      
3 O -0.060      
4 O -0.038      
5 C -0.249      
6 H 0.178      
7 H 0.182      
8 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.493 -3.267 0.000 3.304
CHELPG        
AIM        
ESP        


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 5.560 0.344 0.000
y 0.344 6.955 0.000
z 0.000 0.000 3.510


<r2> (average value of r2) Å2
<r2> 101.318
(<r2>)1/2 10.066