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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-168.800136
Energy at 298.15K-168.803995
HF Energy-168.800136
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 B3PW91/3-21G
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' 3530 3393 29.42      
2 A' 3251 3125 6.23      
3 A' 3139 3018 1.02      
4 A' 1663 1599 2.10      
5 A' 1472 1415 8.37      
6 A' 1337 1285 91.52      
7 A' 1180 1135 6.15      
8 A' 896 861 76.94      
9 A' 504 485 9.22      
10 A" 998 960 62.01      
11 A" 798 767 3.39      
12 A" 391 376 162.97      

Unscaled Zero Point Vibrational Energy (zpe) 9579.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9208.0 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 B3PW91/3-21G
ABC
2.13313 0.38024 0.32271

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.152 0.008 0.000
N2 0.000 0.569 0.000
O3 -1.045 -0.465 0.000
H4 1.293 -1.070 0.000
H5 2.017 0.662 0.000
H6 -1.863 0.099 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28162.24781.08711.08423.0170
N21.28161.47002.08752.01941.9216
O32.24781.47002.41523.26310.9935
H41.08712.08752.41521.87713.3658
H51.08422.01943.26311.87713.9211
H63.01701.92160.99353.36583.9211

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 109.368 N2 C1 H4 123.386
N2 C1 H5 116.967 N2 O3 H6 100.750
H4 C1 H5 119.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179      
2 N -0.218      
3 O -0.449      
4 H 0.229      
5 H 0.237      
6 H 0.381      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.213 0.058 0.000 0.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.992 -1.257 0.000
y -1.257 -19.112 0.000
z 0.000 0.000 -18.618
Traceless
 xyz
x 7.873 -1.257 0.000
y -1.257 -4.307 0.000
z 0.000 0.000 -3.566
Polar
3z2-r2-7.132
x2-y28.120
xy-1.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.161 -0.044 0.000
y -0.044 2.537 0.000
z 0.000 0.000 0.964


<r2> (average value of r2) Å2
<r2> 41.650
(<r2>)1/2 6.454