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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-320.312704
Energy at 298.15K-320.318350
HF Energy-320.312704
Nuclear repulsion energy187.609113
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/TZVP
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' 3158 3049 4.06      
2 A' 3056 2950 13.85      
3 A' 1704 1645 443.15      
4 A' 1503 1451 7.31      
5 A' 1465 1414 18.88      
6 A' 1318 1272 222.46      
7 A' 1193 1152 1.02      
8 A' 1012 977 80.21      
9 A' 862 832 186.56      
10 A' 656 633 36.73      
11 A' 563 543 10.44      
12 A' 336 324 2.36      
13 A" 3138 3029 15.13      
14 A" 1473 1422 9.77      
15 A" 1170 1129 0.47      
16 A" 760 734 13.28      
17 A" 202 195 1.43      
18 A" 135 130 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 11851.1 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 11441.0 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/TZVP
ABC
0.39345 0.15488 0.11354

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.630 0.000
O2 -1.206 0.575 0.000
O3 0.728 1.580 0.000
O4 0.711 -0.610 0.000
C5 -0.147 -1.765 0.000
H6 0.556 -2.596 0.000
H7 -0.769 -1.792 0.893
H8 -0.769 -1.792 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20731.19731.42922.39903.27272.69352.6935
O21.20732.17942.25402.56893.62752.56792.5679
O31.19732.17942.19053.45764.17943.79643.7964
O41.42922.25402.19051.43841.99142.09432.0943
C52.39902.56893.45761.43841.08781.08921.0892
H63.27273.62754.17941.99141.08781.78861.7886
H72.69352.56793.79642.09431.08921.78861.7868
H82.69352.56793.79642.09431.08921.78861.7868

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 113.564 O2 N1 O3 130.014
O2 N1 O4 117.257 O3 N1 O4 112.730
O4 C5 H6 103.180 O4 C5 H7 111.153
O4 C5 H8 111.153 H6 C5 H7 110.482
H6 C5 H8 110.482 H7 C5 H8 110.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.215      
2 O -0.165      
3 O -0.140      
4 O -0.153      
5 C -0.186      
6 H 0.145      
7 H 0.142      
8 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.526 -3.190 0.000 3.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.208 0.246 0.000
y 0.246 -26.621 0.000
z 0.000 0.000 -27.124
Traceless
 xyz
x -5.335 0.246 0.000
y 0.246 3.045 0.000
z 0.000 0.000 2.291
Polar
3z2-r24.581
x2-y2-5.587
xy0.246
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.322 0.396 0.000
y 0.396 6.597 0.000
z 0.000 0.000 3.315


<r2> (average value of r2) Å2
<r2> 101.261
(<r2>)1/2 10.063