return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-169.702035
Energy at 298.15K-169.706000
HF Energy-169.702035
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 HSEh1PBE/cc-pVTZ
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' 3866 3716 97.26      
2 A' 3242 3116 4.27      
3 A' 3111 2990 6.53      
4 A' 1740 1672 5.74      
5 A' 1454 1398 22.65      
6 A' 1365 1312 80.89      
7 A' 1188 1142 16.90      
8 A' 972 934 124.88      
9 A' 540 519 6.70      
10 A" 984 945 34.80      
11 A" 811 779 7.43      
12 A" 445 428 125.98      

Unscaled Zero Point Vibrational Energy (zpe) 9858.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9475.4 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 HSEh1PBE/cc-pVTZ
ABC
2.37356 0.40009 0.34237

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.133 -0.033 0.000
N2 0.000 0.526 0.000
O3 -1.029 -0.393 0.000
H4 1.256 -1.115 0.000
H5 1.995 0.620 0.000
H6 -1.815 0.159 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.26332.19191.08831.08212.9538
N21.26331.37942.06611.99771.8514
O32.19191.37942.39703.18980.9597
H41.08832.06612.39701.88553.3246
H51.08211.99773.18981.88553.8380
H62.95381.85140.95973.32463.8380

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.003 N2 C1 H4 122.776
N2 C1 H5 116.598 N2 O3 H6 103.182
H4 C1 H5 120.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 N -0.044      
3 O -0.236      
4 H 0.080      
5 H 0.118      
6 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 -0.111 0.000 0.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.772 -1.415 0.000
y -1.415 -19.151 0.000
z 0.000 0.000 -18.922
Traceless
 xyz
x 7.264 -1.415 0.000
y -1.415 -3.804 0.000
z 0.000 0.000 -3.460
Polar
3z2-r2-6.921
x2-y27.378
xy-1.415
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.532 -0.147 0.000
y -0.147 3.310 0.000
z 0.000 0.000 2.241


<r2> (average value of r2) Å2
<r2> 40.234
(<r2>)1/2 6.343