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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-320.041551
Energy at 298.15K-320.046747
Nuclear repulsion energy179.172158
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 BLYP/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' 3100 3077 4.60      
2 A' 2993 2970 11.83      
3 A' 1517 1506 178.47      
4 A' 1491 1480 32.38      
5 A' 1422 1411 7.21      
6 A' 1159 1150 195.00      
7 A' 1122 1113 0.71      
8 A' 892 886 35.36      
9 A' 737 731 121.34      
10 A' 554 550 30.20      
11 A' 460 456 16.57      
12 A' 287 285 2.22      
13 A" 3086 3063 21.92      
14 A" 1462 1451 10.63      
15 A" 1115 1106 0.03      
16 A" 638 633 9.40      
17 A" 162 161 4.37      
18 A" 123 123 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 11159.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 11074.6 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 BLYP/6-31G
ABC
0.35459 0.14192 0.10339

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.671 0.000
O2 -1.260 0.616 0.000
O3 0.783 1.643 0.000
O4 0.758 -0.681 0.000
C5 -0.186 -1.830 0.000
H6 0.495 -2.693 0.000
H7 -0.814 -1.826 0.902
H8 -0.814 -1.826 -0.902

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.26071.24811.55042.50803.40072.77742.7774
O21.26072.28612.39852.67153.74572.64172.6417
O31.24812.28612.32503.60574.34633.92453.9245
O41.55042.39852.32501.48602.02902.14342.1434
C52.50802.67153.60571.48601.09911.09961.0996
H63.40073.74574.34632.02901.09911.81061.8106
H72.77742.64173.92452.14341.09961.81061.8049
H82.77742.64173.92452.14341.09961.81061.8049

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 111.355 O2 N1 O3 131.343
O2 N1 O4 116.750 O3 N1 O4 111.908
O4 C5 H6 102.378 O4 C5 H7 111.100
O4 C5 H8 111.100 H6 C5 H7 110.865
H6 C5 H8 110.865 H7 C5 H8 110.312
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.379      
2 O -0.223      
3 O -0.200      
4 O -0.297      
5 C -0.164      
6 H 0.172      
7 H 0.166      
8 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.791 -2.856 0.000 2.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.148 0.388 0.000
y 0.388 -25.644 0.000
z 0.000 0.000 -27.185
Traceless
 xyz
x -5.733 0.388 0.000
y 0.388 4.023 0.000
z 0.000 0.000 1.711
Polar
3z2-r23.422
x2-y2-6.504
xy0.388
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> 108.808
(<r2>)1/2 10.431