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All results from a given calculation for CH3NO (nitrosomethane)

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 1A'
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-169.512763
Energy at 298.15K-169.516435
HF Energy-169.392761
Nuclear repulsion energy68.770477
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' 3188 3188 10.42      
2 A' 3069 3069 1.75      
3 A' 1523 1523 14.11      
4 A' 1452 1452 2.87      
5 A' 1389 1389 47.86      
6 A' 1160 1160 20.02      
7 A' 838 838 17.00      
8 A' 557 557 2.04      
9 A" 3168 3168 4.28      
10 A" 1517 1517 14.99      
11 A" 1018 1018 1.47      
12 A" 157 157 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 9517.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9517.4 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 B2PLYP/6-31G
ABC
1.95907 0.36683 0.32800

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 -0.983 -0.553 0.000
N2 0.000 0.583 0.000
O3 1.199 0.201 0.000
H4 -0.471 -1.518 0.000
H5 -1.612 -0.430 0.886
H6 -1.612 -0.430 -0.886

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50222.30831.09251.09371.0937
N21.50221.25822.15362.10012.1001
O32.30831.25822.39703.01423.0142
H41.09252.15362.39701.80861.8086
H51.09372.10013.01421.80861.7719
H61.09372.10013.01421.80861.7719

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.191 N2 C1 H4 111.217
N2 C1 H5 106.948 N2 C1 H6 106.948
H4 C1 H5 111.641 H4 C1 H6 111.641
H5 C1 H6 108.201
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 -0.332      
2 N 0.053      
3 O -0.272      
4 H 0.171      
5 H 0.190      
6 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.294 -1.549 0.000 2.768
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.687 0.437 0.000
y 0.437 -19.476 0.000
z 0.000 0.000 -16.662
Traceless
 xyz
x -0.618 0.437 0.000
y 0.437 -1.801 0.000
z 0.000 0.000 2.419
Polar
3z2-r24.838
x2-y20.789
xy0.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.203 0.229 0.000
y 0.229 2.581 0.000
z 0.000 0.000 2.252


<r2> (average value of r2) Å2
<r2> 42.911
(<r2>)1/2 6.551