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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-190.866561
Energy at 298.15K-190.871807
HF Energy-190.866561
Nuclear repulsion energy81.798750
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 3884 3691 25.57      
2 A 3077 2925 67.58      
3 A 1550 1473 2.02      
4 A 1404 1334 3.31      
5 A 1221 1161 0.08      
6 A 1084 1030 117.51      
7 A 579 551 90.66      
8 A 387 368 49.34      
9 B 3883 3691 42.39      
10 B 3127 2972 65.58      
11 B 1471 1398 82.05      
12 B 1377 1309 37.86      
13 B 1151 1094 221.11      
14 B 1017 967 31.78      
15 B 376 357 207.24      

Unscaled Zero Point Vibrational Energy (zpe) 12794.6 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 12160.0 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
1.39170 0.34555 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 0.531
O2 0.000 1.163 -0.246
O3 0.000 -1.163 -0.246
H4 -0.891 -0.074 1.165
H5 0.891 0.074 1.165
H6 -0.798 1.144 -0.788
H7 0.798 -1.144 -0.788

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39841.39841.09631.09631.91991.9199
O21.39842.32552.07751.99260.96492.5008
O31.39842.32551.99262.07752.50080.9649
H41.09632.07751.99261.78832.30392.7952
H51.09631.99262.07751.78832.79522.3039
H61.91990.96492.50082.30392.79522.7908
H71.91992.50080.96492.79522.30392.7908

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.224 C1 O3 H7 107.224
O2 C1 O3 112.495 O2 C1 H4 112.200
O2 C1 H5 105.371 O3 C1 H4 105.371
O3 C1 H5 112.200 H4 C1 H5 109.300
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 0.229      
2 O -0.561      
3 O -0.561      
4 H 0.117      
5 H 0.117      
6 H 0.329      
7 H 0.329      


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 -0.324 0.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.529 -3.397 0.000
y -3.397 -22.174 0.000
z 0.000 0.000 -15.968
Traceless
 xyz
x 3.542 -3.397 0.000
y -3.397 -6.425 0.000
z 0.000 0.000 2.884
Polar
3z2-r25.767
x2-y26.645
xy-3.397
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.819 -0.129 0.000
y -0.129 2.747 0.000
z 0.000 0.000 2.840


<r2> (average value of r2) Å2
<r2> 44.915
(<r2>)1/2 6.702