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

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-190.992317
Energy at 298.15K-190.997634
HF Energy-190.992317
Nuclear repulsion energy81.416180
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/6-311G*
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 3763 3636 8.19      
2 A 3033 2931 74.89      
3 A 1541 1489 0.63      
4 A 1414 1367 5.61      
5 A 1221 1180 3.47      
6 A 1045 1010 111.59      
7 A 585 566 108.73      
8 A 417 403 37.06      
9 B 3763 3636 13.54      
10 B 3080 2976 67.10      
11 B 1472 1423 76.40      
12 B 1389 1342 27.87      
13 B 1071 1035 267.71      
14 B 1023 989 0.40      
15 B 427 413 218.62      

Unscaled Zero Point Vibrational Energy (zpe) 12621.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 12196.6 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/6-311G*
ABC
1.39306 0.34010 0.30095

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.531
O2 0.000 1.172 -0.246
O3 0.000 -1.172 -0.246
H4 -0.892 -0.080 1.161
H5 0.892 0.080 1.161
H6 -0.801 1.168 -0.786
H7 0.801 -1.168 -0.786

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40611.40611.09461.09461.93361.9336
O21.40612.34322.08371.99150.96542.5305
O31.40612.34321.99152.08372.53050.9654
H41.09462.08371.99151.79152.31372.7992
H51.09461.99152.08371.79152.79922.3137
H61.93360.96542.53052.31372.79922.8312
H71.93362.53050.96542.79922.31372.8312

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.790 C1 O3 H7 107.790
O2 C1 O3 112.861 O2 C1 H4 112.263
O2 C1 H5 104.880 O3 C1 H4 104.880
O3 C1 H5 112.263 H4 C1 H5 109.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.035      
2 O -0.548      
3 O -0.548      
4 H 0.192      
5 H 0.192      
6 H 0.373      
7 H 0.373      


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 -0.319 0.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.665 -3.612 0.000
y -3.612 -22.671 0.000
z 0.000 0.000 -16.247
Traceless
 xyz
x 3.794 -3.612 0.000
y -3.612 -6.715 0.000
z 0.000 0.000 2.921
Polar
3z2-r25.841
x2-y27.006
xy-3.612
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.879 -0.189 0.000
y -0.189 2.987 0.000
z 0.000 0.000 2.966


<r2> (average value of r2) Å2
<r2> 45.531
(<r2>)1/2 6.748