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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-167.518924
Energy at 298.15K-167.522722
HF Energy-167.518924
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 B3PW91/STO-3G
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' 3727 3298 9.26      
2 A' 3544 3137 2.63      
3 A' 3363 2976 20.43      
4 A' 1732 1533 3.84      
5 A' 1549 1371 14.42      
6 A' 1454 1287 46.27      
7 A' 1248 1105 11.14      
8 A' 1050 929 32.76      
9 A' 509 450 3.38      
10 A" 936 829 34.52      
11 A" 806 714 2.06      
12 A" 480 424 69.23      

Unscaled Zero Point Vibrational Energy (zpe) 10198.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 9025.8 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 B3PW91/STO-3G
ABC
2.05959 0.37780 0.31924

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.055 0.000
N2 0.000 0.570 0.000
O3 -1.061 -0.414 0.000
H4 1.288 -1.150 0.000
H5 2.064 0.577 0.000
H6 -1.866 0.225 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.32352.25601.10171.09783.0459
N21.32351.44722.14912.06431.8980
O32.25601.44722.46143.27841.0289
H41.10172.14912.46141.89323.4414
H51.09782.06433.27841.89323.9464
H63.04591.89801.02893.44143.9464

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 108.940 N2 C1 H4 124.531
N2 C1 H5 116.671 N2 O3 H6 98.683
H4 C1 H5 118.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 N -0.130      
3 O -0.165      
4 H 0.090      
5 H 0.096      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.271 -0.231 0.000 0.356
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.884 -1.107 0.000
y -1.107 -17.358 0.000
z 0.000 0.000 -16.731
Traceless
 xyz
x 5.161 -1.107 0.000
y -1.107 -3.051 0.000
z 0.000 0.000 -2.110
Polar
3z2-r2-4.220
x2-y25.474
xy-1.107
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.917 -0.167 0.000
y -0.167 1.476 0.000
z 0.000 0.000 0.455


<r2> (average value of r2) Å2
<r2> 41.514
(<r2>)1/2 6.443