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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-32.537084
Energy at 298.15K-32.541097
HF Energy-32.537084
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/CEP-121G*
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' 4159 3757 100.48      
2 A' 3414 3084 12.31      
3 A' 3291 2973 9.20      
4 A' 1893 1710 0.69      
5 A' 1583 1430 25.03      
6 A' 1495 1351 103.58      
7 A' 1297 1172 19.76      
8 A' 1073 970 117.28      
9 A' 575 519 8.20      
10 A" 1124 1015 37.91      
11 A" 868 784 1.91      
12 A" 403 364 180.89      

Unscaled Zero Point Vibrational Energy (zpe) 10586.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 9563.9 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 HF/CEP-121G*
ABC
2.39589 0.40318 0.34511

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 -0.027 0.000
N2 0.000 0.526 0.000
O3 -1.024 -0.396 0.000
H4 1.249 -1.101 0.000
H5 1.990 0.617 0.000
H6 -1.812 0.128 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.25542.18231.08121.07632.9428
N21.25541.37792.05131.99191.8548
O32.18231.37792.37943.17920.9466
H41.08122.05132.37941.87083.2983
H51.07631.99193.17921.87083.8327
H62.94281.85480.94663.29833.8327

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 111.848 N2 C1 H4 122.602
N2 C1 H5 117.143 N2 O3 H6 104.329
H4 C1 H5 120.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.307      
2 N 0.055      
3 O -0.583      
4 H 0.180      
5 H 0.195      
6 H 0.461      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.475 -0.052 0.000 0.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.211 -1.777 0.000
y -1.777 -19.479 0.000
z 0.000 0.000 -19.090
Traceless
 xyz
x 8.074 -1.777 0.000
y -1.777 -4.329 0.000
z 0.000 0.000 -3.745
Polar
3z2-r2-7.490
x2-y28.269
xy-1.777
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.209 -0.231 0.000
y -0.231 2.908 0.000
z 0.000 0.000 1.917


<r2> (average value of r2) Å2
<r2> 34.472
(<r2>)1/2 5.871