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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-318.485928
Energy at 298.15K-318.491404
Nuclear repulsion energy184.332763
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 LSDA/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' 3134 3071 0.54      
2 A' 3003 2942 5.90      
3 A' 1664 1630 230.43      
4 A' 1472 1443 11.88      
5 A' 1410 1382 32.99      
6 A' 1254 1229 171.79      
7 A' 1126 1103 0.60      
8 A' 999 979 41.84      
9 A' 792 775 130.90      
10 A' 624 611 29.79      
11 A' 536 526 7.89      
12 A' 324 317 4.93      
13 A" 3100 3038 9.00      
14 A" 1435 1406 20.10      
15 A" 1127 1104 0.13      
16 A" 711 697 10.66      
17 A" 176 172 5.08      
18 A" 136 133 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 11511.4 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 11277.7 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 LSDA/6-31G
ABC
0.37475 0.15199 0.11044

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.639 0.000
O2 -1.236 0.546 0.000
O3 0.735 1.620 0.000
O4 0.746 -0.632 0.000
C5 -0.152 -1.763 0.000
H6 0.529 -2.626 0.000
H7 -0.790 -1.768 0.899
H8 -0.790 -1.768 -0.899

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.23941.22601.47322.40603.30702.68762.6876
O21.23942.24482.30522.55023.62962.52192.5219
O31.22602.24482.25163.49674.25043.82233.8223
O41.47322.30522.25161.44372.00562.11112.1111
C52.40602.55023.49671.44371.09951.10221.1022
H63.30703.62964.25042.00561.09951.81201.8120
H72.68762.52193.82232.11111.10221.81201.7975
H82.68762.52193.82232.11111.10221.81201.7975

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 111.139 O2 N1 O3 131.146
O2 N1 O4 116.118 O3 N1 O4 112.736
O4 C5 H6 103.275 O4 C5 H7 111.328
O4 C5 H8 111.328 H6 C5 H7 110.777
H6 C5 H8 110.777 H7 C5 H8 109.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.334      
2 O -0.208      
3 O -0.190      
4 O -0.279      
5 C -0.307      
6 H 0.220      
7 H 0.215      
8 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.687 -3.066 0.000 3.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.302 0.227 0.000
y 0.227 -25.983 0.000
z 0.000 0.000 -27.165
Traceless
 xyz
x -5.728 0.227 0.000
y 0.227 3.750 0.000
z 0.000 0.000 1.978
Polar
3z2-r23.956
x2-y2-6.319
xy0.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.762 0.396 0.000
y 0.396 6.522 0.000
z 0.000 0.000 2.529


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000