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

using model chemistry: M06-2X/STO-3G

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/STO-3G
 hartrees
Energy at 0K-188.341869
Energy at 298.15K-188.346909
HF Energy-188.341869
Nuclear repulsion energy79.277059
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/STO-3G
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 3835 3835 10.40      
2 A 3316 3316 14.29      
3 A 1666 1666 0.73      
4 A 1580 1580 2.65      
5 A 1282 1282 0.01      
6 A 1101 1101 26.53      
7 A 518 518 66.80      
8 A 393 393 24.19      
9 B 3837 3837 39.47      
10 B 3423 3423 5.05      
11 B 1607 1607 43.16      
12 B 1492 1492 15.63      
13 B 1203 1203 38.41      
14 B 1033 1033 13.88      
15 B 368 368 112.89      

Unscaled Zero Point Vibrational Energy (zpe) 13326.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13326.8 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/STO-3G
ABC
1.30271 0.32577 0.28748

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.550
O2 0.000 1.203 -0.256
O3 0.000 -1.203 -0.256
H4 -0.900 -0.079 1.200
H5 0.900 0.079 1.200
H6 -0.850 1.085 -0.803
H7 0.850 -1.085 -0.803

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.44781.44781.11341.11341.93111.9311
O21.44782.40542.13882.04781.01712.5010
O31.44782.40542.04782.13882.50101.0171
H41.11342.13882.04781.80742.31742.8436
H51.11342.04782.13881.80742.84362.3174
H61.93111.01712.50102.31742.84362.7564
H71.93112.50101.01712.84362.31742.7564

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 101.724 C1 O3 H7 101.724
O2 C1 O3 112.343 O2 C1 H4 112.599
O2 C1 H5 105.431 O3 C1 H4 105.431
O3 C1 H5 112.599 H4 C1 H5 108.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 O -0.265      
3 O -0.265      
4 H 0.069      
5 H 0.069      
6 H 0.175      
7 H 0.175      


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 -0.207 0.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.574 -2.320 0.000
y -2.320 -20.338 0.000
z 0.000 0.000 -15.111
Traceless
 xyz
x 3.150 -2.320 0.000
y -2.320 -5.496 0.000
z 0.000 0.000 2.345
Polar
3z2-r24.691
x2-y25.764
xy-2.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.655 -0.170 0.000
y -0.170 1.535 0.000
z 0.000 0.000 1.638


<r2> (average value of r2) Å2
<r2> 46.024
(<r2>)1/2 6.784