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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-167.897520
Energy at 298.15K-167.901470
HF Energy-167.897520
Nuclear repulsion energy 
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 HF/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' 3882 3504 69.07      
2 A' 3417 3084 6.43      
3 A' 3316 2993 2.57      
4 A' 1869 1687 2.38      
5 A' 1597 1441 7.49      
6 A' 1449 1308 96.24      
7 A' 1299 1172 12.82      
8 A' 994 897 65.20      
9 A' 547 493 12.44      
10 A" 1172 1058 52.31      
11 A" 868 784 0.01      
12 A" 369 333 214.62      

Unscaled Zero Point Vibrational Energy (zpe) 10388.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9377.0 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 HF/3-21G*
ABC
2.25547 0.38958 0.33220

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.136 0.022 0.000
N2 0.000 0.556 0.000
O3 -1.029 -0.461 0.000
H4 1.277 -1.041 0.000
H5 1.991 0.666 0.000
H6 -1.853 0.044 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.25532.21831.07221.07042.9890
N21.25531.44652.04451.99421.9221
O32.21831.44652.37753.22340.9665
H41.07222.04452.37751.85043.3125
H51.07041.99423.22341.85043.8939
H62.98901.92210.96653.31253.8939

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.176 N2 C1 H4 122.702
N2 C1 H5 117.846 N2 O3 H6 103.820
H4 C1 H5 119.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 N -0.227      
3 O -0.542      
4 H 0.236      
5 H 0.237      
6 H 0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.567 0.062 0.000 0.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.846 -1.416 0.000
y -1.416 -19.620 0.000
z 0.000 0.000 -18.706
Traceless
 xyz
x 8.317 -1.416 0.000
y -1.416 -4.844 0.000
z 0.000 0.000 -3.473
Polar
3z2-r2-6.947
x2-y28.774
xy-1.416
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.041 -0.051 0.000
y -0.051 2.375 0.000
z 0.000 0.000 0.896


<r2> (average value of r2) Å2
<r2> 40.873
(<r2>)1/2 6.393