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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-169.741979
Energy at 298.15K-169.745917
HF Energy-169.741979
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 B3PW91/6-31G*
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' 3788 3624 71.17      
2 A' 3266 3124 6.93      
3 A' 3140 3004 5.98      
4 A' 1742 1666 2.57      
5 A' 1475 1412 21.83      
6 A' 1382 1322 85.81      
7 A' 1200 1148 15.10      
8 A' 968 926 115.08      
9 A' 534 511 6.58      
10 A" 961 920 37.99      
11 A" 807 772 7.34      
12 A" 448 429 140.45      

Unscaled Zero Point Vibrational Energy (zpe) 9854.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9427.9 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 B3PW91/6-31G*
ABC
2.31916 0.39678 0.33882

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.138 -0.038 0.000
N2 0.000 0.533 0.000
O3 -1.034 -0.395 0.000
H4 1.261 -1.122 0.000
H5 2.007 0.612 0.000
H6 -1.822 0.167 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27272.20081.09111.08552.9671
N21.27271.38922.08052.00841.8586
O32.20081.38922.40743.20340.9684
H41.09112.08052.40741.88793.3421
H51.08552.00843.20341.88793.8550
H62.96711.85860.96843.34213.8550

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 111.458 N2 C1 H4 123.133
N2 C1 H5 116.562 N2 O3 H6 102.594
H4 C1 H5 120.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.178      
2 N -0.110      
3 O -0.510      
4 H 0.178      
5 H 0.188      
6 H 0.432      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.072 -0.032 0.000 0.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.384 -1.486 0.000
y -1.486 -18.856 0.000
z 0.000 0.000 -18.645
Traceless
 xyz
x 7.366 -1.486 0.000
y -1.486 -3.842 0.000
z 0.000 0.000 -3.524
Polar
3z2-r2-7.049
x2-y27.472
xy-1.486
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.166 -0.169 0.000
y -0.169 2.847 0.000
z 0.000 0.000 1.452


<r2> (average value of r2) Å2
<r2> 40.340
(<r2>)1/2 6.351