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

using model chemistry: BLYP/6-31G*

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 BLYP/6-31G*
 hartrees
Energy at 0K-244.969241
Energy at 298.15K-244.973612
HF Energy-244.969241
Nuclear repulsion energy120.221625
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 BLYP/6-31G*
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' 3096 3071 9.61      
2 A' 2975 2951 14.78      
3 A' 1626 1613 156.95      
4 A' 1473 1461 4.76      
5 A' 1412 1400 7.70      
6 A' 1141 1132 0.14      
7 A' 945 938 53.62      
8 A' 808 802 44.32      
9 A' 526 522 122.84      
10 A' 318 316 0.53      
11 A" 3039 3014 25.14      
12 A" 1461 1449 7.50      
13 A" 1124 1115 0.37      
14 A" 359 356 2.13      
15 A" 134 133 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 10219.2 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 10136.4 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 BLYP/6-31G*
ABC
0.65611 0.23503 0.17900

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.359 0.357 0.000
O2 0.000 0.878 0.000
H3 2.000 1.246 0.000
H4 1.546 -0.254 0.895
H5 1.546 -0.254 -0.895
N6 -1.038 -0.037 0.000
O7 -0.747 -1.206 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.45521.09611.10041.10042.42882.6229
O21.45522.03362.11542.11541.38392.2141
H31.09612.03361.80541.80543.29793.6826
H41.10042.11541.80541.79072.74322.6395
H51.10042.11541.80541.79072.74322.6395
N62.42881.38393.29792.74322.74321.2041
O72.62292.21413.68262.63952.63951.2041

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 117.607 O2 C1 H3 104.834
O2 C1 H4 110.976 O2 C1 H5 110.976
O2 N6 O7 117.464 H3 C1 H4 110.562
H3 C1 H5 110.562 H4 C1 H5 108.901
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 O -0.309      
3 H 0.168      
4 H 0.160      
5 H 0.160      
6 N 0.246      
7 O -0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.029 -0.006 0.000 2.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.403 0.711 0.000
y 0.711 -24.990 0.000
z 0.000 0.000 -21.918
Traceless
 xyz
x 2.051 0.711 0.000
y 0.711 -3.330 0.000
z 0.000 0.000 1.279
Polar
3z2-r22.557
x2-y23.587
xy0.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.689 0.955 0.000
y 0.955 4.403 0.000
z 0.000 0.000 2.695


<r2> (average value of r2) Å2
<r2> 68.193
(<r2>)1/2 8.258