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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-169.798424
Energy at 298.15K-169.802121
HF Energy-169.798424
Nuclear repulsion energy70.144890
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 B3LYP/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' 3153 3029 12.33      
2 A' 3035 2916 1.73      
3 A' 1682 1617 68.84      
4 A' 1465 1408 20.39      
5 A' 1378 1324 18.53      
6 A' 1157 1111 15.52      
7 A' 840 807 24.34      
8 A' 573 551 1.63      
9 A" 3119 2997 5.03      
10 A" 1466 1408 9.97      
11 A" 967 929 1.29      
12 A" 171 164 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 9502.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 9130.1 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 B3LYP/6-31G**
ABC
2.02349 0.38116 0.34111

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.949 -0.572 0.000
N2 0.000 0.575 0.000
O3 1.161 0.232 0.000
H4 -0.421 -1.529 0.000
H5 -1.588 -0.459 0.882
H6 -1.588 -0.459 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48882.25791.09321.09561.0956
N21.48881.21092.14622.09042.0904
O32.25791.21092.36732.96892.9689
H41.09322.14622.36731.81321.8132
H51.09562.09042.96891.81321.7648
H61.09562.09042.96891.81321.7648

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.111 N2 C1 H4 111.531
N2 C1 H5 106.986 N2 C1 H6 106.986
H4 C1 H5 111.871 H4 C1 H6 111.871
H5 C1 H6 107.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 N 0.047      
3 O -0.253      
4 H 0.129      
5 H 0.144      
6 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.959 -1.321 0.000 2.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.952 0.347 0.000
y 0.347 -18.808 0.000
z 0.000 0.000 -16.444
Traceless
 xyz
x -0.326 0.347 0.000
y 0.347 -1.610 0.000
z 0.000 0.000 1.935
Polar
3z2-r23.871
x2-y20.856
xy0.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.216 0.330 0.000
y 0.330 2.845 0.000
z 0.000 0.000 2.426


<r2> (average value of r2) Å2
<r2> 41.513
(<r2>)1/2 6.443