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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-320.117766
Energy at 298.15K-320.123449
Nuclear repulsion energy189.335931
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 B1B95/cc-pVDZ
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' 3196 3072 3.42      
2 A' 3071 2952 14.10      
3 A' 1816 1746 391.03      
4 A' 1472 1415 0.05      
5 A' 1438 1382 105.68      
6 A' 1368 1315 142.41      
7 A' 1173 1128 1.84      
8 A' 1061 1020 91.11      
9 A' 892 857 182.58      
10 A' 685 658 19.51      
11 A' 592 569 2.20      
12 A' 336 323 3.06      
13 A" 3170 3047 13.03      
14 A" 1431 1375 9.89      
15 A" 1151 1106 0.72      
16 A" 792 761 18.40      
17 A" 178 171 1.63      
18 A" 147 141 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 11983.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11518.4 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 B1B95/cc-pVDZ
ABC
0.39848 0.15931 0.11636

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.616 0.000
O2 -1.201 0.542 0.000
O3 0.713 1.574 0.000
O4 0.713 -0.592 0.000
C5 -0.137 -1.735 0.000
H6 0.565 -2.575 0.000
H7 -0.769 -1.761 0.897
H8 -0.769 -1.761 -0.897

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20331.19391.40242.35533.24112.65452.6545
O21.20332.17422.22442.51343.58292.50932.5093
O31.19392.17422.16553.41654.15183.75773.7577
O41.40242.22442.16551.42491.98922.08972.0897
C52.35532.51343.41651.42491.09501.09741.0974
H63.24113.58294.15181.98921.09501.80181.8018
H72.65452.50933.75772.08971.09741.80181.7948
H82.65452.50933.75772.08971.09741.80181.7948

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 112.828 O2 N1 O3 130.192
O2 N1 O4 117.018 O3 N1 O4 112.790
O4 C5 H6 103.488 O4 C5 H7 111.220
O4 C5 H8 111.220 H6 C5 H7 110.536
H6 C5 H8 110.536 H7 C5 H8 109.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.399      
2 O -0.229      
3 O -0.211      
4 O -0.236      
5 C 0.089      
6 H 0.065      
7 H 0.061      
8 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.388 -2.945 0.000 2.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.032 0.076 0.000
y 0.076 -26.050 0.000
z 0.000 0.000 -26.426
Traceless
 xyz
x -4.794 0.076 0.000
y 0.076 2.679 0.000
z 0.000 0.000 2.115
Polar
3z2-r24.230
x2-y2-4.983
xy0.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.570 0.430 0.000
y 0.430 5.904 0.000
z 0.000 0.000 2.707


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