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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-318.079654
Energy at 298.15K-318.085243
HF Energy-318.079654
Nuclear repulsion energy183.299985
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 HSEh1PBE/3-21G
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' 3199 3082 2.41      
2 A' 3094 2981 7.22      
3 A' 1563 1506 16.43      
4 A' 1493 1438 102.05      
5 A' 1473 1419 84.58      
6 A' 1163 1120 89.01      
7 A' 1154 1112 108.21      
8 A' 996 960 78.87      
9 A' 835 804 85.14      
10 A' 636 612 4.04      
11 A' 538 518 1.47      
12 A' 339 327 4.69      
13 A" 3184 3067 12.63      
14 A" 1535 1479 13.81      
15 A" 1161 1118 0.01      
16 A" 689 664 17.01      
17 A" 213 205 1.29      
18 A" 147 141 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 11705.8 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 11276.2 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 HSEh1PBE/3-21G
ABC
0.36975 0.15120 0.10955

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.634 0.000
O2 -1.247 0.516 0.000
O3 0.720 1.644 0.000
O4 0.771 -0.624 0.000
C5 -0.152 -1.765 0.000
H6 0.524 -2.620 0.000
H7 -0.780 -1.764 0.892
H8 -0.780 -1.764 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.25281.24021.47542.40373.29662.67482.6748
O21.25282.26752.31792.52993.60212.49222.4922
O31.24022.26752.26853.51864.26913.82873.8287
O41.47542.31792.26851.46782.01192.12192.1219
C52.40372.52993.51861.46781.09091.09121.0912
H63.29663.60214.26912.01191.09091.79781.7978
H72.67482.49223.82872.12191.09121.79781.7847
H82.67482.49223.82872.12191.09121.79781.7847

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 109.509 O2 N1 O3 130.884
O2 N1 O4 116.095 O3 N1 O4 113.021
O4 C5 H6 102.691 O4 C5 H7 111.180
O4 C5 H8 111.180 H6 C5 H7 110.957
H6 C5 H8 110.957 H7 C5 H8 109.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.529      
2 O -0.286      
3 O -0.266      
4 O -0.319      
5 C -0.409      
6 H 0.255      
7 H 0.248      
8 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.642 -2.910 0.000 2.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.482 0.231 0.000
y 0.231 -25.594 0.000
z 0.000 0.000 -26.730
Traceless
 xyz
x -5.321 0.231 0.000
y 0.231 3.512 0.000
z 0.000 0.000 1.808
Polar
3z2-r23.616
x2-y2-5.889
xy0.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.244 0.425 0.000
y 0.425 5.792 0.000
z 0.000 0.000 2.148


<r2> (average value of r2) Å2
<r2> 103.473
(<r2>)1/2 10.172