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

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-245.109769
Energy at 298.15K-245.114390
Nuclear repulsion energy123.021422
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/aug-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' 3158 3055 5.80      
2 A' 3044 2945 13.62      
3 A' 1679 1624 185.22      
4 A' 1490 1441 6.51      
5 A' 1442 1395 2.75      
6 A' 1187 1148 0.27      
7 A' 990 958 102.00      
8 A' 853 826 65.09      
9 A' 646 625 162.96      
10 A' 343 332 1.49      
11 A" 3112 3010 15.82      
12 A" 1478 1430 10.44      
13 A" 1155 1117 0.91      
14 A" 365 353 2.03      
15 A" 183 177 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10561.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 10218.3 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/aug-cc-pVTZ
ABC
0.68677 0.24558 0.18729

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.328 0.334 0.000
O2 0.000 0.885 0.000
H3 1.984 1.199 0.000
H4 1.493 -0.274 0.889
H5 1.493 -0.274 -0.889
N6 -1.046 -0.048 0.000
O7 -0.703 -1.175 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43811.08511.08941.08942.40492.5301
O21.43812.00842.08882.08881.40162.1760
H31.08512.00841.78901.78903.27623.5848
H41.08942.08881.78901.77732.69972.5343
H51.08942.08881.78901.77732.69972.5343
N62.40491.40163.27622.69972.69971.1775
O72.53012.17603.58482.53432.53431.1775

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 115.742 O2 C1 H3 104.623
O2 C1 H4 110.711 O2 C1 H5 110.711
O2 N6 O7 114.793 H3 C1 H4 110.710
H3 C1 H5 110.710 H4 C1 H5 109.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.468      
2 O -0.190      
3 H 0.305      
4 H 0.258      
5 H 0.258      
6 N 0.105      
7 O -0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.220 0.116 0.000 2.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.092 0.593 0.000
y 0.593 -25.781 0.000
z 0.000 0.000 -22.300
Traceless
 xyz
x 1.949 0.593 0.000
y 0.593 -3.586 0.000
z 0.000 0.000 1.637
Polar
3z2-r23.273
x2-y23.690
xy0.593
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.622 0.766 0.000
y 0.766 5.238 0.000
z 0.000 0.000 3.694


<r2> (average value of r2) Å2
<r2> 66.353
(<r2>)1/2 8.146