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

using model chemistry: B97D3/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-190.921454
Energy at 298.15K-190.926623
HF Energy-190.921454
Nuclear repulsion energy80.968379
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/cc-pVTZ
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 3718 3666 12.94      
2 A 2962 2920 71.20      
3 A 1493 1473 0.50      
4 A 1369 1350 3.10      
5 A 1183 1167 1.93      
6 A 992 978 91.09      
7 A 547 539 58.58      
8 A 365 359 50.72      
9 B 3718 3666 22.75      
10 B 3008 2966 58.33      
11 B 1416 1396 58.33      
12 B 1346 1327 23.29      
13 B 1006 992 265.63      
14 B 988 974 3.37      
15 B 378 373 158.72      

Unscaled Zero Point Vibrational Energy (zpe) 12243.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 12072.4 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/cc-pVTZ
ABC
1.39074 0.33429 0.29677

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.531
O2 0.000 1.182 -0.248
O3 0.000 -1.182 -0.248
H4 -0.895 -0.078 1.161
H5 0.895 0.078 1.161
H6 -0.812 1.177 -0.773
H7 0.812 -1.177 -0.773

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41501.41501.09781.09781.93481.9348
O21.41502.36362.09152.00090.96712.5493
O31.41502.36362.00092.09152.54930.9671
H41.09782.09152.00091.79722.30712.8039
H51.09782.00092.09151.79722.80392.3071
H61.93480.96712.54932.30712.80392.8599
H71.93482.54930.96712.80392.30712.8599

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.888 C1 O3 H7 107.888
O2 C1 O3 114.262 O2 C1 H4 112.065
O2 C1 H5 104.742 O3 C1 H4 104.742
O3 C1 H5 112.065 H4 C1 H5 109.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.165      
2 O -0.324      
3 O -0.324      
4 H 0.046      
5 H 0.046      
6 H 0.196      
7 H 0.196      


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 -0.221 0.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.733 -3.246 0.000
y -3.246 -22.048 0.000
z 0.000 0.000 -16.484
Traceless
 xyz
x 3.534 -3.246 0.000
y -3.246 -5.940 0.000
z 0.000 0.000 2.406
Polar
3z2-r24.812
x2-y26.316
xy-3.246
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.339 -0.181 0.000
y -0.181 3.658 0.000
z 0.000 0.000 3.466


<r2> (average value of r2) Å2
<r2> 45.910
(<r2>)1/2 6.776