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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: B3LYP/CEP-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/CEP-31G*
 hartrees
Energy at 0K-33.262732
Energy at 298.15K-33.266607
HF Energy-33.262732
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3795 3665 61.17      
2 A' 3232 3121 14.42      
3 A' 3111 3004 12.95      
4 A' 1701 1643 1.68      
5 A' 1441 1392 15.24      
6 A' 1346 1300 87.78      
7 A' 1169 1129 10.09      
8 A' 925 894 115.22      
9 A' 521 503 6.84      
10 A" 958 925 59.95      
11 A" 785 758 6.62      
12 A" 417 403 146.10      

Unscaled Zero Point Vibrational Energy (zpe) 9700.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9368.0 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 B3LYP/CEP-31G*
ABC
2.22318 0.38699 0.32961

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.151 -0.032 0.000
N2 0.000 0.548 0.000
O3 -1.046 -0.412 0.000
H4 1.274 -1.126 0.000
H5 2.026 0.626 0.000
H6 -1.841 0.152 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28872.22921.10081.09472.9976
N21.28871.41902.10322.02771.8829
O32.22921.41902.42713.24230.9749
H41.10082.10322.42711.90633.3669
H51.09472.02773.24231.90633.8960
H62.99761.88290.97493.36693.8960

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.743 N2 C1 H4 123.137
N2 C1 H5 116.351 N2 O3 H6 102.130
H4 C1 H5 120.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.588      
2 N 0.166      
3 O -0.424      
4 H 0.216      
5 H 0.241      
6 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.346 -0.099 0.000 0.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.267 -1.588 0.000
y -1.588 -19.066 0.000
z 0.000 0.000 -19.002
Traceless
 xyz
x 7.767 -1.588 0.000
y -1.588 -3.931 0.000
z 0.000 0.000 -3.835
Polar
3z2-r2-7.671
x2-y27.799
xy-1.588
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.403 -0.141 0.000
y -0.141 2.791 0.000
z 0.000 0.000 1.750


<r2> (average value of r2) Å2
<r2> 35.451
(<r2>)1/2 5.954