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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-65.050079
Energy at 298.15K-65.055526
Nuclear repulsion energy101.371569
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/CEP-121G
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' 3161 3080 5.24      
2 A' 3027 2950 14.27      
3 A' 1533 1494 246.59      
4 A' 1503 1464 25.87      
5 A' 1451 1414 16.42      
6 A' 1199 1169 191.81      
7 A' 1167 1137 10.12      
8 A' 954 930 98.66      
9 A' 805 785 118.00      
10 A' 608 593 8.73      
11 A' 525 511 2.05      
12 A' 307 299 4.30      
13 A" 3147 3067 21.10      
14 A" 1474 1436 12.87      
15 A" 1143 1114 0.31      
16 A" 670 652 8.99      
17 A" 181 176 2.34      
18 A" 130 127 3.28      

Unscaled Zero Point Vibrational Energy (zpe) 11491.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 11198.1 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/CEP-121G
ABC
0.36091 0.14481 0.10546

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.664 0.000
O2 -1.274 0.589 0.000
O3 0.734 1.690 0.000
O4 0.756 -0.590 0.000
C5 -0.113 -1.800 0.000
H6 0.621 -2.609 0.000
H7 -0.733 -1.824 0.900
H8 -0.733 -1.824 -0.900

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.27601.26201.46422.46683.33122.74502.7450
O21.27602.29012.34742.65663.71742.63122.6312
O31.26202.29012.28073.59204.30073.91293.9129
O41.46422.34742.28071.48972.02312.13272.1327
C52.46682.65663.59201.48971.09221.09301.0930
H63.33123.71744.30072.02311.09221.80591.8059
H72.74502.63123.91292.13271.09301.80591.7992
H82.74502.63123.91292.13271.09301.80591.7992

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 113.250 O2 N1 O3 128.924
O2 N1 O4 117.723 O3 N1 O4 113.353
O4 C5 H6 102.080 O4 C5 H7 110.386
O4 C5 H8 110.386 H6 C5 H7 111.458
H6 C5 H8 111.458 H7 C5 H8 110.777
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.039      
2 O -0.098      
3 O -0.074      
4 O -0.132      
5 C -0.310      
6 H 0.192      
7 H 0.191      
8 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.543 -3.724 0.000 3.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.022 0.245 0.000
y 0.245 -26.326 0.000
z 0.000 0.000 -27.286
Traceless
 xyz
x -6.215 0.245 0.000
y 0.245 3.828 0.000
z 0.000 0.000 2.388
Polar
3z2-r24.775
x2-y2-6.695
xy0.245
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.401 0.439 0.000
y 0.439 6.907 0.000
z 0.000 0.000 2.858


<r2> (average value of r2) Å2
<r2> 87.507
(<r2>)1/2 9.355