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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-243.780099
Energy at 298.15K-243.784742
Nuclear repulsion energy123.924071
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 LSDA/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' 3136 3077 1.43      
2 A' 2984 2928 5.54      
3 A' 1693 1661 138.69      
4 A' 1426 1400 8.02      
5 A' 1368 1342 6.34      
6 A' 1130 1109 0.55      
7 A' 1029 1009 35.87      
8 A' 886 869 74.50      
9 A' 673 661 79.52      
10 A' 367 360 3.98      
11 A" 3059 3001 7.39      
12 A" 1403 1377 15.85      
13 A" 1111 1090 0.00      
14 A" 413 405 1.67      
15 A" 157 154 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10416.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 10222.0 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 LSDA/6-31G**
ABC
0.66957 0.25941 0.19385

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.288 0.309 0.000
O2 0.000 0.897 0.000
H3 1.992 1.150 0.000
H4 1.429 -0.329 0.890
H5 1.429 -0.329 -0.890
N6 -1.038 -0.031 0.000
O7 -0.664 -1.163 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.41551.09701.10421.10422.35012.4442
O21.41552.00762.08242.08241.39182.1642
H31.09702.00761.81571.81573.25143.5216
H41.10422.08241.81571.78102.63942.4224
H51.10422.08241.81571.78102.63942.4224
N62.35011.39183.25142.63942.63941.1927
O72.44422.16423.52162.42242.42241.1927

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 113.672 O2 C1 H3 105.371
O2 C1 H4 110.863 O2 C1 H5 110.863
O2 N6 O7 113.504 H3 C1 H4 111.145
H3 C1 H5 111.145 H4 C1 H5 107.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 O -0.272      
3 H 0.178      
4 H 0.174      
5 H 0.174      
6 N 0.235      
7 O -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.270 0.194 0.000 2.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.677 0.489 0.000
y 0.489 -24.997 0.000
z 0.000 0.000 -21.850
Traceless
 xyz
x 1.747 0.489 0.000
y 0.489 -3.234 0.000
z 0.000 0.000 1.487
Polar
3z2-r22.974
x2-y23.320
xy0.489
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.534 0.800 0.000
y 0.800 4.195 0.000
z 0.000 0.000 2.739


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000