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

using model chemistry: B1B95/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-320.205327
Energy at 298.15K-320.211043
Nuclear repulsion energy190.239147
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-pVTZ
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' 3187 3050 4.71      
2 A' 3080 2948 13.90      
3 A' 1784 1707 449.75      
4 A' 1502 1438 4.33      
5 A' 1462 1399 54.00      
6 A' 1370 1311 191.05      
7 A' 1194 1143 1.15      
8 A' 1065 1020 104.37      
9 A' 907 868 177.41      
10 A' 695 665 16.86      
11 A' 600 574 1.67      
12 A' 340 325 3.56      
13 A" 3167 3031 13.11      
14 A" 1470 1407 10.30      
15 A" 1175 1125 0.75      
16 A" 809 774 15.88      
17 A" 177 170 1.39      
18 A" 145 138 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 12063.5 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 11546.0 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 B1B95/cc-pVTZ
ABC
0.40354 0.16039 0.11732

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.612 0.000
O2 -1.196 0.538 0.000
O3 0.704 1.570 0.000
O4 0.709 -0.585 0.000
C5 -0.133 -1.732 0.000
H6 0.565 -2.562 0.000
H7 -0.756 -1.759 0.889
H8 -0.756 -1.759 -0.889

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.19791.18901.39132.34833.22402.64232.6423
O21.19792.16212.21142.50693.56532.50182.5018
O31.18902.16212.15473.40694.13433.74203.7420
O41.39132.21142.15471.42381.98252.07762.0776
C52.34832.50693.40691.42381.08431.08581.0858
H63.22403.56534.13431.98251.08431.78361.7836
H72.64232.50183.74202.07761.08581.78361.7778
H82.64232.50183.74202.07761.08581.78361.7778

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 113.053 O2 N1 O3 129.865
O2 N1 O4 117.128 O3 N1 O4 113.007
O4 C5 H6 103.627 O4 C5 H7 111.039
O4 C5 H8 111.039 H6 C5 H7 110.549
H6 C5 H8 110.549 H7 C5 H8 109.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.458      
2 O -0.261      
3 O -0.232      
4 O -0.181      
5 C -0.151      
6 H 0.127      
7 H 0.120      
8 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.355 -3.088 0.000 3.108
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.268 0.064 0.000
y 0.064 -26.341 0.000
z 0.000 0.000 -26.636
Traceless
 xyz
x -4.780 0.064 0.000
y 0.064 2.612 0.000
z 0.000 0.000 2.168
Polar
3z2-r24.337
x2-y2-4.928
xy0.064
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.072 0.424 0.000
y 0.424 6.415 0.000
z 0.000 0.000 3.284


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