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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-319.901853
Energy at 298.15K-319.907381
Nuclear repulsion energy185.789071
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3090 3072 3.89      
2 A' 2968 2951 17.50      
3 A' 1740 1730 309.88      
4 A' 1423 1414 2.64      
5 A' 1383 1375 53.19      
6 A' 1296 1289 174.78      
7 A' 1128 1121 1.40      
8 A' 997 992 48.23      
9 A' 809 805 162.24      
10 A' 621 617 32.05      
11 A' 519 516 24.05      
12 A' 325 323 1.50      
13 A" 3056 3039 17.73      
14 A" 1384 1376 8.94      
15 A" 1110 1103 0.26      
16 A" 730 726 13.35      
17 A" 190 188 1.60      
18 A" 147 146 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 11458.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 11391.5 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 PBEPBE/cc-pVDZ
ABC
0.38171 0.15347 0.11186

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.641 0.000
O2 -1.215 0.578 0.000
O3 0.751 1.587 0.000
O4 0.726 -0.635 0.000
C5 -0.165 -1.758 0.000
H6 0.517 -2.629 0.000
H7 -0.806 -1.775 0.905
H8 -0.806 -1.775 -0.905

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21691.20801.46762.40443.30982.70222.7022
O21.21692.20962.28902.56153.64502.55412.5541
O31.20802.20962.22223.46834.22213.81353.8135
O41.46762.28902.22221.43372.00442.11282.1128
C52.40442.56153.46831.43371.10621.10911.1091
H63.30983.64504.22212.00441.10621.81661.8166
H72.70222.55413.81352.11281.10911.81661.8106
H82.70222.55413.81352.11281.10911.81661.8106

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 111.937 O2 N1 O3 131.348
O2 N1 O4 116.701 O3 N1 O4 111.951
O4 C5 H6 103.459 O4 C5 H7 111.750
O4 C5 H8 111.750 H6 C5 H7 110.169
H6 C5 H8 110.169 H7 C5 H8 109.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.342      
2 O -0.191      
3 O -0.178      
4 O -0.216      
5 C 0.066      
6 H 0.063      
7 H 0.057      
8 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.498 -2.526 0.000 2.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.896 0.134 0.000
y 0.134 -26.013 0.000
z 0.000 0.000 -26.690
Traceless
 xyz
x -4.545 0.134 0.000
y 0.134 2.780 0.000
z 0.000 0.000 1.765
Polar
3z2-r23.530
x2-y2-4.883
xy0.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.784 0.405 0.000
y 0.405 6.541 0.000
z 0.000 0.000 2.812


<r2> (average value of r2) Å2
<r2> 101.989
(<r2>)1/2 10.099