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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-190.966813
Energy at 298.15K-190.972107
HF Energy-190.966813
Nuclear repulsion energy81.759708
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 wB97X-D/TZVP
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 3883 3708 24.87      
2 A 3056 2919 64.16      
3 A 1526 1458 0.55      
4 A 1406 1343 3.71      
5 A 1226 1170 1.58      
6 A 1064 1016 112.00      
7 A 582 556 88.99      
8 A 406 388 55.39      
9 B 3883 3708 41.71      
10 B 3109 2969 47.11      
11 B 1472 1405 65.76      
12 B 1380 1318 29.36      
13 B 1097 1047 262.21      
14 B 1025 979 14.81      
15 B 399 381 199.28      

Unscaled Zero Point Vibrational Energy (zpe) 12756.2 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 12182.2 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 wB97X-D/TZVP
ABC
1.40263 0.34317 0.30378

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.525
O2 0.000 1.168 -0.244
O3 0.000 -1.168 -0.244
H4 -0.889 -0.074 1.158
H5 0.889 0.074 1.158
H6 -0.793 1.175 -0.784
H7 0.793 -1.175 -0.784

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39841.39841.09391.09391.92941.9294
O21.39842.33652.07301.98800.95942.5322
O31.39842.33651.98802.07302.53220.9594
H41.09392.07301.98801.78452.31052.7949
H51.09391.98802.07301.78452.79492.3105
H61.92940.95942.53222.31052.79492.8353
H71.92942.53220.95942.79492.31052.8353

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.387 C1 O3 H7 108.387
O2 C1 O3 113.320 O2 C1 H4 111.981
O2 C1 H5 105.162 O3 C1 H4 105.162
O3 C1 H5 111.981 H4 C1 H5 109.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 O -0.390      
3 O -0.390      
4 H 0.107      
5 H 0.107      
6 H 0.272      
7 H 0.272      


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 -0.182 0.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.664 -3.694 0.000
y -3.694 -22.712 0.000
z 0.000 0.000 -16.355
Traceless
 xyz
x 3.870 -3.694 0.000
y -3.694 -6.703 0.000
z 0.000 0.000 2.833
Polar
3z2-r25.667
x2-y27.049
xy-3.694
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.104 -0.126 0.000
y -0.126 3.267 0.000
z 0.000 0.000 3.208


<r2> (average value of r2) Å2
<r2> 45.285
(<r2>)1/2 6.729