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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-169.749058
Energy at 298.15K-169.752689
HF Energy-169.749058
Nuclear repulsion energy70.572337
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 wB97X-D/cc-pVDZ
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' 3171 3020 8.37      
2 A' 3040 2896 2.60      
3 A' 1747 1664 76.61      
4 A' 1431 1363 20.83      
5 A' 1355 1290 22.14      
6 A' 1156 1101 17.58      
7 A' 880 838 20.13      
8 A' 584 557 2.30      
9 A" 3149 3000 2.56      
10 A" 1432 1364 12.47      
11 A" 957 911 1.61      
12 A" 118 112 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 9509.5 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 9058.8 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 wB97X-D/cc-pVDZ
ABC
2.04320 0.38625 0.34597

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.940 -0.571 0.000
N2 0.000 0.570 0.000
O3 1.151 0.235 0.000
H4 -0.408 -1.534 0.000
H5 -1.582 -0.456 0.887
H6 -1.582 -0.456 -0.887

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47772.24081.10001.10081.1008
N21.47771.19892.14252.08342.0834
O32.24081.19892.35782.95532.9553
H41.10002.14252.35781.82371.8237
H51.10082.08342.95531.82371.7733
H61.10082.08342.95531.82371.7733

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.284 N2 C1 H4 111.600
N2 C1 H5 106.891 N2 C1 H6 106.891
H4 C1 H5 111.919 H4 C1 H6 111.919
H5 C1 H6 107.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.006      
2 N -0.015      
3 O -0.170      
4 H 0.047      
5 H 0.072      
6 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.964 -1.274 0.000 2.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.973 0.332 0.000
y 0.332 -18.773 0.000
z 0.000 0.000 -16.319
Traceless
 xyz
x -0.427 0.332 0.000
y 0.332 -1.627 0.000
z 0.000 0.000 2.055
Polar
3z2-r24.109
x2-y20.800
xy0.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.208 0.311 0.000
y 0.311 2.886 0.000
z 0.000 0.000 2.414


<r2> (average value of r2) Å2
<r2> 41.129
(<r2>)1/2 6.413