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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-169.646434
Energy at 298.15K-169.650138
HF Energy-169.479381
Nuclear repulsion energy70.084340
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/6-31+G**
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' 3191 3039 9.75      
2 A' 3070 2924 2.23      
3 A' 1601 1525 56.74      
4 A' 1480 1410 30.07      
5 A' 1402 1335 26.30      
6 A' 1170 1115 17.04      
7 A' 879 837 19.65      
8 A' 579 552 1.82      
9 A" 3166 3015 2.73      
10 A" 1481 1410 13.93      
11 A" 989 942 3.47      
12 A" 161 153 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 9584.1 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 9127.9 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/6-31+G**
ABC
2.02669 0.38096 0.34103

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.955 -0.559 0.000
N2 0.000 0.572 0.000
O3 1.168 0.218 0.000
H4 -0.437 -1.519 0.000
H5 -1.588 -0.436 0.882
H6 -1.588 -0.436 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48052.26101.09081.09241.0924
N21.48051.22032.13582.07712.0771
O32.26101.22032.36462.96632.9663
H41.09082.13582.36461.80991.8099
H51.09242.07712.96631.80991.7643
H61.09242.07712.96631.80991.7643

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.331 N2 C1 H4 111.426
N2 C1 H5 106.696 N2 C1 H6 106.696
H4 C1 H5 111.998 H4 C1 H6 111.998
H5 C1 H6 107.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.378      
2 N -0.029      
3 O -0.107      
4 H 0.169      
5 H 0.172      
6 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.118 -1.453 0.000 2.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.711 0.447 0.000
y 0.447 -19.730 0.000
z 0.000 0.000 -16.967
Traceless
 xyz
x -0.363 0.447 0.000
y 0.447 -1.890 0.000
z 0.000 0.000 2.253
Polar
3z2-r24.506
x2-y21.019
xy0.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.868 0.266 0.000
y 0.266 3.537 0.000
z 0.000 0.000 2.873


<r2> (average value of r2) Å2
<r2> 41.944
(<r2>)1/2 6.476