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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-190.854043
Energy at 298.15K-190.859310
HF Energy-190.854043
Nuclear repulsion energy81.755700
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 M06-2X/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 3818 3615 23.72      
2 A 3098 2934 64.12      
3 A 1563 1480 2.04      
4 A 1417 1342 3.81      
5 A 1228 1163 0.00      
6 A 1089 1031 116.29      
7 A 583 552 96.96      
8 A 399 378 45.34      
9 B 3817 3615 38.42      
10 B 3148 2981 64.34      
11 B 1480 1402 92.98      
12 B 1391 1317 32.47      
13 B 1152 1091 220.53      
14 B 1023 969 27.82      
15 B 388 367 212.89      

Unscaled Zero Point Vibrational Energy (zpe) 12796.0 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 12117.8 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 M06-2X/6-31G*
ABC
1.38767 0.34575 0.30505

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/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 1.163 -0.246
O3 0.000 -1.163 -0.246
H4 -0.892 -0.075 1.165
H5 0.892 0.075 1.165
H6 -0.799 1.138 -0.793
H7 0.799 -1.138 -0.793

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39911.39911.09581.09581.92111.9211
O21.39912.32542.07801.99180.96872.4964
O31.39912.32541.99182.07802.49640.9687
H41.09582.07801.99181.78952.30552.7967
H51.09581.99182.07801.78952.79672.3055
H61.92110.96872.49642.30552.79672.7812
H71.92112.49640.96872.79672.30552.7812

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.054 C1 O3 H7 107.054
O2 C1 O3 112.411 O2 C1 H4 112.226
O2 C1 H5 105.301 O3 C1 H4 105.301
O3 C1 H5 112.226 H4 C1 H5 109.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 O -0.636      
3 O -0.636      
4 H 0.155      
5 H 0.155      
6 H 0.412      
7 H 0.412      


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 -0.341 0.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.537 -3.409 0.000
y -3.409 -22.337 0.000
z 0.000 0.000 -15.967
Traceless
 xyz
x 3.615 -3.409 0.000
y -3.409 -6.585 0.000
z 0.000 0.000 2.970
Polar
3z2-r25.940
x2-y26.800
xy-3.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.776 -0.121 0.000
y -0.121 2.698 0.000
z 0.000 0.000 2.798


<r2> (average value of r2) Å2
<r2> 44.948
(<r2>)1/2 6.704