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All results from a given calculation for CH2(OH)2 (methanediol)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-190.827875
Energy at 298.15K-190.833131
HF Energy-190.827875
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 B97D3/6-31G*
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 3641 3570 6.78      
2 A 2974 2916 80.55      
3 A 1522 1492 1.67      
4 A 1392 1365 3.13      
5 A 1197 1174 2.00      
6 A 1009 990 99.94      
7 A 565 554 89.76      
8 A 402 394 32.45      
9 B 3642 3570 11.57      
10 B 3022 2963 77.31      
11 B 1443 1415 82.80      
12 B 1365 1338 18.24      
13 B 1038 1018 253.20      
14 B 1002 982 0.49      
15 B 428 419 190.38      

Unscaled Zero Point Vibrational Energy (zpe) 12320.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 12079.1 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 B97D3/6-31G*
ABC
1.38055 0.33510 0.29696

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.532
O2 0.000 1.182 -0.247
O3 0.000 -1.182 -0.247
H4 -0.897 -0.086 1.167
H5 0.897 0.086 1.167
H6 -0.809 1.150 -0.791
H7 0.809 -1.150 -0.791

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41531.41531.10261.10261.93021.9302
O21.41532.36382.10042.00110.97552.5273
O31.41532.36382.00112.10042.52730.9755
H41.10262.10042.00111.80212.31722.8063
H51.10262.00112.10041.80212.80632.3172
H61.93020.97552.52732.31722.80632.8117
H71.93022.52730.97552.80632.31722.8117

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 106.934 C1 O3 H7 106.934
O2 C1 O3 114.335 O2 C1 H4 112.445
O2 C1 H5 104.398 O3 C1 H4 104.398
O3 C1 H5 112.445 H4 C1 H5 108.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.108      
2 O -0.581      
3 O -0.581      
4 H 0.143      
5 H 0.143      
6 H 0.385      
7 H 0.385      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.359 0.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.524 -3.289 0.000
y -3.289 -22.022 0.000
z 0.000 0.000 -16.056
Traceless
 xyz
x 3.515 -3.289 0.000
y -3.289 -6.232 0.000
z 0.000 0.000 2.717
Polar
3z2-r25.434
x2-y26.498
xy-3.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.879 -0.156 0.000
y -0.156 2.951 0.000
z 0.000 0.000 2.915


<r2> (average value of r2) Å2
<r2> 45.733
(<r2>)1/2 6.763