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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-168.838925
Energy at 298.15K-168.842516
HF Energy-168.838925
Nuclear repulsion energy68.413658
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/3-21G
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' 3169 3058 8.37      
2 A' 3052 2945 0.45      
3 A' 1525 1471 13.61      
4 A' 1408 1359 5.32      
5 A' 1348 1301 48.42      
6 A' 1122 1083 19.11      
7 A' 747 721 26.26      
8 A' 541 522 1.08      
9 A" 3130 3020 4.70      
10 A" 1518 1465 13.89      
11 A" 969 935 0.31      
12 A" 141 136 2.54      

Unscaled Zero Point Vibrational Energy (zpe) 9334.5 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 9006.8 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 B3LYP/3-21G
ABC
1.86909 0.36710 0.32570

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.982 -0.570 0.000
N2 0.000 0.607 0.000
O3 1.193 0.200 0.000
H4 -0.430 -1.511 0.000
H5 -1.611 -0.459 0.888
H6 -1.611 -0.459 -0.888

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.53282.30731.09081.09451.0945
N21.53281.26052.16072.12632.1263
O32.30731.26052.35783.01463.0146
H41.09082.16072.35781.81471.8147
H51.09452.12633.01461.81471.7769
H61.09452.12633.01461.81471.7769

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 111.005 N2 C1 H4 109.735
N2 C1 H5 106.870 N2 C1 H6 106.870
H4 C1 H5 112.276 H4 C1 H6 112.276
H5 C1 H6 108.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.465      
2 N 0.044      
3 O -0.262      
4 H 0.217      
5 H 0.233      
6 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.022 -1.370 0.000 2.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.058 0.413 0.000
y 0.413 -18.856 0.000
z 0.000 0.000 -16.393
Traceless
 xyz
x -0.433 0.413 0.000
y 0.413 -1.631 0.000
z 0.000 0.000 2.064
Polar
3z2-r24.129
x2-y20.799
xy0.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.969 0.256 0.000
y 0.256 2.401 0.000
z 0.000 0.000 2.083


<r2> (average value of r2) Å2
<r2> 42.778
(<r2>)1/2 6.540