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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-169.737515
Energy at 298.15K-169.733044
HF Energy-169.825042
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 B3LYP/6-31G(2df,p)
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' 3812 3679 74.63      
2 A' 3234 3121 5.27      
3 A' 3107 2998 5.81      
4 A' 1722 1661 2.67      
5 A' 1457 1406 18.00      
6 A' 1364 1316 78.53      
7 A' 1186 1145 14.91      
8 A' 945 912 112.23      
9 A' 533 514 6.44      
10 A" 973 939 27.66      
11 A" 806 778 6.30      
12 A" 439 424 116.76      

Unscaled Zero Point Vibrational Energy (zpe) 9788.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9446.1 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 B3LYP/6-31G(2df,p)
ABC
2.32671 0.39559 0.33811

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.138 -0.031 0.000
N2 0.000 0.533 0.000
O3 -1.035 -0.401 0.000
H4 1.265 -1.113 0.000
H5 2.005 0.620 0.000
H6 -1.821 0.157 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27022.20461.08981.08422.9654
N21.27021.39372.07622.00711.8595
O32.20461.39372.40833.20700.9636
H41.08982.07622.40831.88483.3376
H51.08422.00713.20701.88483.8542
H62.96541.85950.96363.33763.8542

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.879 N2 C1 H4 122.963
N2 C1 H5 117.138 N2 O3 H6 103.190
H4 C1 H5 119.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 N -0.012      
3 O -0.385      
4 H 0.123      
5 H 0.134      
6 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.106 -0.090 0.000 0.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 40.409
(<r2>)1/2 6.357