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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: LSDA/TZVP

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/TZVP
 hartrees
Energy at 0K-168.977553
Energy at 298.15K-168.981245
HF Energy-168.977553
Nuclear repulsion energy70.867961
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/TZVP
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' 3066 3031 11.07      
2 A' 2942 2908 2.02      
3 A' 1643 1623 91.12      
4 A' 1369 1354 26.63      
5 A' 1287 1272 65.20      
6 A' 1118 1105 20.33      
7 A' 859 849 38.82      
8 A' 567 560 1.57      
9 A" 3039 3003 0.27      
10 A" 1364 1348 19.43      
11 A" 918 907 1.16      
12 A" 181 179 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 9175.8 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 9069.4 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 LSDA/TZVP
ABC
2.08248 0.38988 0.34964

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.937 -0.552 0.000
N2 0.000 0.557 0.000
O3 1.154 0.222 0.000
H4 -0.429 -1.530 0.000
H5 -1.589 -0.417 0.880
H6 -1.589 -0.417 -0.880

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.45262.22991.10161.10301.1030
N21.45261.20162.13062.06102.0610
O32.22991.20162.36082.95042.9504
H41.10162.13062.36081.83231.8323
H51.10302.06102.95041.83231.7590
H61.10302.06102.95041.83231.7590

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.982 N2 C1 H4 112.325
N2 C1 H5 106.709 N2 C1 H6 106.709
H4 C1 H5 112.431 H4 C1 H6 112.431
H5 C1 H6 105.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.451      
2 N 0.035      
3 O -0.143      
4 H 0.166      
5 H 0.196      
6 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.214 -1.496 0.000 2.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.434 0.480 0.000
y 0.480 -19.590 0.000
z 0.000 0.000 -16.760
Traceless
 xyz
x -0.259 0.480 0.000
y 0.480 -1.993 0.000
z 0.000 0.000 2.252
Polar
3z2-r24.504
x2-y21.156
xy0.480
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.945 0.374 0.000
y 0.374 3.562 0.000
z 0.000 0.000 2.908


<r2> (average value of r2) Å2
<r2> 41.196
(<r2>)1/2 6.418