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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-190.818051
Energy at 298.15K-190.823281
HF Energy-190.818051
Nuclear repulsion energy81.846924
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 PBE1PBE/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 3857 3706 24.23      
2 A 3034 2916 63.85      
3 A 1528 1468 0.25      
4 A 1400 1345 3.47      
5 A 1216 1168 0.34      
6 A 1062 1021 99.65      
7 A 570 548 65.40      
8 A 373 359 57.01      
9 B 3856 3705 42.85      
10 B 3081 2961 49.64      
11 B 1449 1392 62.56      
12 B 1379 1325 30.28      
13 B 1107 1064 241.41      
14 B 1015 975 26.03      
15 B 375 361 167.62      

Unscaled Zero Point Vibrational Energy (zpe) 12650.0 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 12156.6 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 PBE1PBE/cc-pVTZ
ABC
1.41046 0.34342 0.30444

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.525
O2 0.000 1.165 -0.246
O3 0.000 -1.165 -0.246
H4 -0.890 -0.073 1.158
H5 0.890 0.073 1.158
H6 -0.806 1.170 -0.769
H7 0.806 -1.170 -0.769

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39681.39681.09461.09461.92111.9211
O21.39682.32992.07261.98830.96062.5244
O31.39682.32991.98832.07262.52440.9606
H41.09462.07261.98831.78622.29432.7908
H51.09461.98832.07261.78622.79082.2943
H61.92110.96062.52442.29432.79082.8404
H71.92112.52440.96062.79082.29432.8404

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.720 C1 O3 H7 107.720
O2 C1 O3 113.029 O2 C1 H4 112.023
O2 C1 H5 105.247 O3 C1 H4 105.247
O3 C1 H5 112.023 H4 C1 H5 109.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.156      
2 O -0.331      
3 O -0.331      
4 H 0.052      
5 H 0.052      
6 H 0.201      
7 H 0.201      


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 -0.236 0.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.631 -3.331 0.000
y -3.331 -22.033 0.000
z 0.000 0.000 -16.394
Traceless
 xyz
x 3.582 -3.331 0.000
y -3.331 -6.020 0.000
z 0.000 0.000 2.438
Polar
3z2-r24.876
x2-y26.402
xy-3.331
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.200 -0.153 0.000
y -0.153 3.421 0.000
z 0.000 0.000 3.315


<r2> (average value of r2) Å2
<r2> 45.080
(<r2>)1/2 6.714