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

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-320.278638
Energy at 298.15K-320.284314
Nuclear repulsion energy187.876548
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 B3LYP/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' 3164 3057 8.18      
2 A' 3060 2957 16.64      
3 A' 1740 1681 401.59      
4 A' 1518 1467 7.49      
5 A' 1475 1425 21.82      
6 A' 1333 1288 218.33      
7 A' 1200 1160 1.67      
8 A' 1025 990 83.30      
9 A' 872 842 182.07      
10 A' 664 642 31.33      
11 A' 572 553 5.79      
12 A' 340 329 2.58      
13 A" 3142 3036 21.80      
14 A" 1490 1440 10.05      
15 A" 1180 1140 0.57      
16 A" 770 744 17.03      
17 A" 204 197 1.49      
18 A" 142 137 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 11945.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 11543.1 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 B3LYP/6-311G*
ABC
0.39380 0.15568 0.11400

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.627 0.000
O2 -1.206 0.569 0.000
O3 0.727 1.579 0.000
O4 0.711 -0.606 0.000
C5 -0.145 -1.760 0.000
H6 0.558 -2.592 0.000
H7 -0.769 -1.786 0.893
H8 -0.769 -1.786 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20771.19721.42372.39193.26682.68552.6855
O21.20772.18072.24882.55983.61972.55642.5564
O31.19722.18072.18513.45084.17373.78873.7887
O41.42372.24882.18511.43661.99122.09252.0925
C52.39192.55983.45081.43661.08851.09001.0900
H63.26683.61974.17371.99121.08851.79091.7909
H72.68552.55643.78872.09251.09001.79091.7868
H82.68552.55643.78872.09251.09001.79091.7868

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 113.483 O2 N1 O3 130.127
O2 N1 O4 117.196 O3 N1 O4 112.677
O4 C5 H6 103.234 O4 C5 H7 111.085
O4 C5 H8 111.085 H6 C5 H7 110.585
H6 C5 H8 110.585 H7 C5 H8 110.102
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.447     0.916
2 O -0.247     -0.412
3 O -0.230     -0.408
4 O -0.250     -0.341
5 C -0.423     -0.095
6 H 0.235     0.137
7 H 0.234     0.101
8 H 0.234     0.101


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.476 -3.039 0.000 3.076
CHELPG        
AIM        
ESP -0.514 -3.105 0.000 3.148


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.728 0.160 0.000
y 0.160 -26.308 0.000
z 0.000 0.000 -26.849
Traceless
 xyz
x -5.149 0.160 0.000
y 0.160 2.980 0.000
z 0.000 0.000 2.169
Polar
3z2-r24.339
x2-y2-5.419
xy0.160
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.784 0.413 0.000
y 0.413 6.096 0.000
z 0.000 0.000 2.813


<r2> (average value of r2) Å2
<r2> 100.705
(<r2>)1/2 10.035