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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-168.221645
Energy at 298.15K-168.225447
HF Energy-167.892241
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 MP2/3-21G
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' 3499 3340 20.69      
2 A' 3282 3133 6.87      
3 A' 3169 3025 1.40      
4 A' 1604 1531 4.44      
5 A' 1483 1415 4.24      
6 A' 1309 1249 72.77      
7 A' 1195 1141 7.93      
8 A' 849 811 47.39      
9 A' 496 473 10.58      
10 A" 1010 964 51.11      
11 A" 799 763 0.74      
12 A" 353 337 166.44      

Unscaled Zero Point Vibrational Energy (zpe) 9523.4 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 9090.1 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 MP2/3-21G
ABC
2.02731 0.37382 0.31562

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.162 0.011 0.000
N2 0.000 0.590 0.000
O3 -1.052 -0.483 0.000
H4 1.287 -1.068 0.000
H5 2.033 0.654 0.000
H6 -1.873 0.079 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.29812.26811.08571.08283.0354
N21.29811.50272.09862.03351.9414
O32.26811.50272.41103.28750.9949
H41.08572.09862.41101.87633.3616
H51.08282.03353.28751.87633.9476
H63.03541.94140.99493.36163.9476

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 107.929 N2 C1 H4 123.132
N2 C1 H5 117.038 N2 O3 H6 100.036
H4 C1 H5 119.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability