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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-244.779215
Energy at 298.15K-244.783889
HF Energy-244.552818
Nuclear repulsion energy122.623049
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 B2PLYP/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' 3233 3068 7.22      
2 A' 3104 2946 12.31      
3 A' 1645 1562 131.37      
4 A' 1536 1458 6.56      
5 A' 1477 1402 6.71      
6 A' 1205 1144 0.66      
7 A' 1025 973 117.74      
8 A' 871 827 70.10      
9 A' 679 645 107.00      
10 A' 357 339 2.47      
11 A" 3185 3023 18.20      
12 A" 1526 1448 8.37      
13 A" 1179 1119 1.01      
14 A" 377 357 2.50      
15 A" 195 185 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 10796.4 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 10247.9 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 B2PLYP/6-31G*
ABC
0.66830 0.24864 0.18766

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.330 0.324 0.000
O2 0.000 0.877 0.000
H3 1.986 1.191 0.000
H4 1.495 -0.287 0.890
H5 1.495 -0.287 -0.890
N6 -1.028 -0.022 0.000
O7 -0.720 -1.178 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.44031.08731.09171.09172.38332.5405
O21.44032.01062.09342.09341.36612.1773
H31.08732.01061.79311.79313.24923.5958
H41.09172.09341.79311.77942.68902.5478
H51.09172.09341.79311.77942.68902.5478
N62.38331.36613.24922.68902.68901.1962
O72.54052.17733.59582.54782.54781.1962

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 116.233 O2 C1 H3 104.529
O2 C1 H4 110.791 O2 C1 H5 110.791
O2 N6 O7 116.213 H3 C1 H4 110.752
H3 C1 H5 110.752 H4 C1 H5 109.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 O -0.349      
3 H 0.190      
4 H 0.182      
5 H 0.182      
6 N 0.294      
7 O -0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.214 0.114 0.000 2.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.553 0.490 0.000
y 0.490 -25.317 0.000
z 0.000 0.000 -21.917
Traceless
 xyz
x 2.065 0.490 0.000
y 0.490 -3.582 0.000
z 0.000 0.000 1.518
Polar
3z2-r23.036
x2-y23.765
xy0.490
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.280 0.838 0.000
y 0.838 4.200 0.000
z 0.000 0.000 2.620


<r2> (average value of r2) Å2
<r2> 65.916
(<r2>)1/2 8.119