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All results from a given calculation for CH3ONO (Methyl nitrite)

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-245.105052
Energy at 298.15K-245.109675
HF Energy-245.105052
Nuclear repulsion energy123.064459
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 B3LYPultrafine/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' 3156 3051 7.19      
2 A' 3041 2940 13.21      
3 A' 1689 1633 169.90      
4 A' 1492 1442 6.58      
5 A' 1443 1395 2.70      
6 A' 1187 1148 0.23      
7 A' 995 961 97.30      
8 A' 859 830 64.28      
9 A' 649 627 150.06      
10 A' 345 333 1.54      
11 A" 3108 3005 19.25      
12 A" 1477 1428 9.68      
13 A" 1158 1119 0.82      
14 A" 367 354 2.29      
15 A" 180 174 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 10572.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 10220.1 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 B3LYPultrafine/cc-pVTZ
ABC
0.68597 0.24621 0.18758

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.325 0.334 0.000
O2 0.000 0.886 0.000
H3 1.985 1.196 0.000
H4 1.491 -0.276 0.888
H5 1.491 -0.276 -0.888
N6 -1.046 -0.049 0.000
O7 -0.700 -1.174 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43611.08531.08971.08972.40192.5250
O21.43612.00852.08892.08891.40312.1763
H31.08532.00851.78851.78853.27613.5810
H41.08972.08891.78851.77532.69742.5289
H51.08972.08891.78851.77532.69742.5289
N62.40191.40313.27612.69742.69741.1773
O72.52502.17633.58102.52892.52891.1773

picture of Methyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 N6 115.551 O2 C1 H3 104.758
O2 C1 H4 110.848 O2 C1 H5 110.848
O2 N6 O7 114.723 H3 C1 H4 110.627
H3 C1 H5 110.627 H4 C1 H5 109.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 O -0.184      
3 H 0.113      
4 H 0.097      
5 H 0.097      
6 N 0.154      
7 O -0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.125 0.139 0.000 2.129
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.778 0.523 -0.001
y 0.523 -25.487 -0.002
z -0.001 -0.002 -22.059
Traceless
 xyz
x 1.996 0.523 -0.001
y 0.523 -3.569 -0.002
z -0.001 -0.002 1.573
Polar
3z2-r23.146
x2-y23.709
xy0.523
xz-0.001
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.938 0.806 0.001
y 0.806 4.660 0.001
z 0.001 0.001 3.110


<r2> (average value of r2) Å2
<r2> 66.095
(<r2>)1/2 8.130