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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-168.817349
Energy at 298.15K-168.821228
HF Energy-168.817349
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 mPW1PW91/3-21G
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' 3560 3399 34.59      
2 A' 3272 3124 5.46      
3 A' 3160 3016 0.75      
4 A' 1683 1606 1.89      
5 A' 1481 1414 8.88      
6 A' 1349 1287 92.04      
7 A' 1190 1136 6.53      
8 A' 911 869 76.90      
9 A' 508 485 9.31      
10 A" 1012 966 62.36      
11 A" 805 768 2.88      
12 A" 396 378 166.92      

Unscaled Zero Point Vibrational Energy (zpe) 9663.5 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 9224.7 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 mPW1PW91/3-21G
ABC
2.14580 0.38260 0.32470

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.149 0.006 0.000
N2 0.000 0.567 0.000
O3 -1.042 -0.461 0.000
H4 1.286 -1.070 0.000
H5 2.014 0.657 0.000
H6 -1.861 0.097 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27882.24051.08541.08243.0114
N21.27881.46402.08212.01621.9192
O32.24051.46402.40613.25430.9913
H41.08542.08212.40611.87473.3563
H51.08242.01623.25431.87473.9153
H63.01141.91920.99133.35633.9153

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 109.360 N2 C1 H4 123.243
N2 C1 H5 117.038 N2 O3 H6 101.078
H4 C1 H5 119.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 N -0.219      
3 O -0.457      
4 H 0.232      
5 H 0.240      
6 H 0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.235 0.052 0.000 0.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.969 -1.277 0.000
y -1.277 -19.134 0.000
z 0.000 0.000 -18.624
Traceless
 xyz
x 7.910 -1.277 0.000
y -1.277 -4.337 0.000
z 0.000 0.000 -3.573
Polar
3z2-r2-7.146
x2-y28.165
xy-1.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.108 -0.052 0.000
y -0.052 2.511 0.000
z 0.000 0.000 0.960


<r2> (average value of r2) Å2
<r2> 41.468
(<r2>)1/2 6.440