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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-245.069651
Energy at 298.15K-245.073968
Nuclear repulsion energy120.255304
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/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' 3067 3057 8.38      
2 A' 2953 2944 16.37      
3 A' 1623 1618 191.87      
4 A' 1450 1446 4.26      
5 A' 1394 1390 6.89      
6 A' 1132 1128 0.04      
7 A' 931 928 50.64      
8 A' 794 792 43.81      
9 A' 481 479 152.38      
10 A' 308 307 0.05      
11 A" 3010 3001 25.17      
12 A" 1435 1431 8.36      
13 A" 1116 1112 0.48      
14 A" 349 348 2.25      
15 A" 127 126 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10083.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 10053.5 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/cc-pVTZ
ABC
0.66612 0.23193 0.17787

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.338 0.381 0.000
O2 0.000 0.928 0.000
H3 2.001 1.249 0.000
H4 1.512 -0.233 0.893
H5 1.512 -0.233 -0.893
N6 -1.079 -0.104 0.000
O7 -0.688 -1.221 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.44561.09261.09771.09772.46562.5824
O21.44562.02682.10552.10551.49322.2561
H31.09262.02681.79841.79843.36463.6511
H41.09772.10551.79841.78622.74432.5716
H51.09772.10551.79841.78622.74432.5716
N62.46561.49323.36462.74432.74431.1835
O72.58242.25613.65112.57162.57161.1835

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 114.048 O2 C1 H3 105.123
O2 C1 H4 111.018 O2 C1 H5 111.018
O2 N6 O7 114.388 H3 C1 H4 110.380
H3 C1 H5 110.380 H4 C1 H5 108.895
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.099      
2 O -0.196      
3 H 0.108      
4 H 0.088      
5 H 0.088      
6 N 0.124      
7 O -0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.899 -0.109 0.000 1.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.792 0.827 0.000
y 0.827 -25.468 0.000
z 0.000 0.000 -22.339
Traceless
 xyz
x 2.111 0.827 0.000
y 0.827 -3.402 0.000
z 0.000 0.000 1.291
Polar
3z2-r22.582
x2-y23.675
xy0.827
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 68.771
(<r2>)1/2 8.293