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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-168.674515
Energy at 298.15K-168.678310
HF Energy-168.674515
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 PBEPBE/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' 3357 3201 16.05      
2 A' 3168 3020 7.19      
3 A' 3053 2911 1.93      
4 A' 1579 1506 4.16      
5 A' 1423 1357 7.07      
6 A' 1290 1230 87.59      
7 A' 1133 1080 5.19      
8 A' 858 818 74.19      
9 A' 486 463 8.09      
10 A" 931 888 60.84      
11 A" 768 733 8.17      
12 A" 393 375 136.50      

Unscaled Zero Point Vibrational Energy (zpe) 9219.6 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 8790.9 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 PBEPBE/3-21G*
ABC
2.06330 0.37355 0.31629

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.163 0.005 0.000
N2 0.000 0.578 0.000
O3 -1.055 -0.472 0.000
H4 1.307 -1.082 0.000
H5 2.033 0.665 0.000
H6 -1.874 0.117 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.29642.26881.09601.09243.0388
N21.29641.48872.11262.03501.9298
O32.26881.48872.43993.29121.0087
H41.09602.11262.43991.89153.3996
H51.09242.03503.29121.89153.9453
H63.03881.92981.00873.39963.9453

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 108.904 N2 C1 H4 123.812
N2 C1 H5 116.576 N2 O3 H6 99.392
H4 C1 H5 119.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.181      
2 N -0.215      
3 O -0.406      
4 H 0.214      
5 H 0.225      
6 H 0.362      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.082 0.051 0.000 0.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.257 -1.149 0.000
y -1.149 -19.040 0.000
z 0.000 0.000 -18.695
Traceless
 xyz
x 7.610 -1.149 0.000
y -1.149 -4.064 0.000
z 0.000 0.000 -3.546
Polar
3z2-r2-7.092
x2-y27.783
xy-1.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.374 -0.039 0.000
y -0.039 2.650 0.000
z 0.000 0.000 0.986


<r2> (average value of r2) Å2
<r2> 42.323
(<r2>)1/2 6.506