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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-320.154690
Energy at 298.15K-320.160423
Nuclear repulsion energy188.915988
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 B3PW91/6-311G*
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' 3178 3059 7.09      
2 A' 3066 2951 16.23      
3 A' 1783 1716 415.16      
4 A' 1515 1458 6.05      
5 A' 1475 1420 36.52      
6 A' 1361 1310 214.17      
7 A' 1203 1158 1.18      
8 A' 1051 1012 90.00      
9 A' 890 857 185.00      
10 A' 682 657 26.35      
11 A' 589 567 3.88      
12 A' 345 332 2.89      
13 A" 3153 3036 19.69      
14 A" 1488 1432 10.83      
15 A" 1182 1138 0.36      
16 A" 787 758 17.02      
17 A" 211 203 1.44      
18 A" 146 141 2.07      

Unscaled Zero Point Vibrational Energy (zpe) 12051.2 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 11601.7 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 B3PW91/6-311G*
ABC
0.39778 0.15775 0.11545

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.621 0.000
O2 -1.202 0.559 0.000
O3 0.720 1.572 0.000
O4 0.708 -0.598 0.000
C5 -0.140 -1.748 0.000
H6 0.563 -2.579 0.000
H7 -0.765 -1.776 0.894
H8 -0.765 -1.776 -0.894

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20321.19321.40952.37273.24892.67012.6701
O21.20322.17232.23262.53943.60042.53842.5384
O31.19322.17232.17063.42974.15423.77043.7704
O41.40952.23262.17061.42831.98592.08672.0867
C52.37272.53943.42971.42831.08891.09071.0907
H63.24893.60044.15421.98591.08891.79081.7908
H72.67012.53843.77042.08671.09071.79081.7875
H82.67012.53843.77042.08671.09071.79081.7875

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 113.456 O2 N1 O3 130.051
O2 N1 O4 117.197 O3 N1 O4 112.752
O4 C5 H6 103.345 O4 C5 H7 111.156
O4 C5 H8 111.156 H6 C5 H7 110.489
H6 C5 H8 110.489 H7 C5 H8 110.047
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.466      
2 O -0.256      
3 O -0.242      
4 O -0.248      
5 C -0.461      
6 H 0.246      
7 H 0.247      
8 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.457 -3.077 0.000 3.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.544 0.138 0.000
y 0.138 -26.181 0.000
z 0.000 0.000 -26.688
Traceless
 xyz
x -5.109 0.138 0.000
y 0.138 2.934 0.000
z 0.000 0.000 2.175
Polar
3z2-r24.350
x2-y2-5.363
xy0.138
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 99.608
(<r2>)1/2 9.980