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All results from a given calculation for CH3NO (nitrosomethane)

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 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-168.844777
Energy at 298.15K-168.848460
HF Energy-168.844777
Nuclear repulsion energy69.453266
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' 3105 3042 11.70      
2 A' 2971 2911 1.65      
3 A' 1515 1484 27.93      
4 A' 1415 1386 40.64      
5 A' 1334 1307 65.35      
6 A' 1122 1099 21.50      
7 A' 845 828 35.95      
8 A' 550 539 1.67      
9 A" 3076 3014 0.00      
10 A" 1415 1387 23.42      
11 A" 950 931 0.04      
12 A" 183 179 5.73      

Unscaled Zero Point Vibrational Energy (zpe) 9241.3 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 9053.7 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
1.99798 0.37559 0.33608

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 -0.966 -0.542 0.000
N2 0.000 0.572 0.000
O3 1.186 0.200 0.000
H4 -0.463 -1.524 0.000
H5 -1.614 -0.410 0.885
H6 -1.614 -0.410 -0.885

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47442.27611.10321.10511.1051
N21.47441.24292.14652.08612.0861
O32.27611.24292.38572.99892.9989
H41.10322.14652.38571.83001.8300
H51.10512.08612.99891.83001.7710
H61.10512.08612.99891.83001.7710

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.507 N2 C1 H4 111.966
N2 C1 H5 107.076 N2 C1 H6 107.076
H4 C1 H5 111.936 H4 C1 H6 111.936
H5 C1 H6 106.507
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 -0.439      
2 N 0.048      
3 O -0.257      
4 H 0.195      
5 H 0.227      
6 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.412 -1.575 0.000 2.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.243 0.470 0.000
y 0.470 -19.378 0.000
z 0.000 0.000 -16.480
Traceless
 xyz
x -0.314 0.470 0.000
y 0.470 -2.017 0.000
z 0.000 0.000 2.330
Polar
3z2-r24.661
x2-y21.135
xy0.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.395 0.320 0.000
y 0.320 2.766 0.000
z 0.000 0.000 2.321


<r2> (average value of r2) Å2
<r2> 42.133
(<r2>)1/2 6.491