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

using model chemistry: PBEPBE/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 PBEPBE/TZVP
 hartrees
Energy at 0K-190.813626
Energy at 298.15K-190.818854
HF Energy-190.813626
Nuclear repulsion energy80.797308
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 PBEPBE/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 3679 3637 14.28      
2 A 2955 2922 63.72      
3 A 1468 1452 0.38      
4 A 1352 1337 3.10      
5 A 1170 1157 2.56      
6 A 994 983 94.39      
7 A 557 551 83.31      
8 A 392 388 43.77      
9 B 3679 3637 25.38      
10 B 3004 2970 46.93      
11 B 1407 1391 56.71      
12 B 1327 1312 17.55      
13 B 1007 996 270.80      
14 B 985 974 0.35      
15 B 411 407 187.65      

Unscaled Zero Point Vibrational Energy (zpe) 12192.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 12056.2 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 PBEPBE/TZVP
ABC
1.38234 0.33361 0.29621

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

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 -0.899 -0.083 1.165
H5 0.899 0.083 1.165
H6 -0.819 1.180 -0.776
H7 0.819 -1.180 -0.776

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41611.41611.10271.10271.94251.9425
O21.41612.36492.09842.00310.97442.5559
O31.41612.36492.00312.09842.55590.9744
H41.10272.09842.00311.80542.31712.8146
H51.10272.00312.09841.80542.81462.3171
H61.94250.97442.55592.31712.81462.8731
H71.94252.55590.97442.81462.31712.8731

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.258 C1 O3 H7 107.258
O2 C1 O3 113.239 O2 C1 H4 112.246
O2 C1 H5 104.679 O3 C1 H4 104.679
O3 C1 H5 112.246 H4 C1 H5 109.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.060      
2 O -0.346      
3 O -0.346      
4 H 0.119      
5 H 0.119      
6 H 0.256      
7 H 0.256      


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 -15.981 -3.608 0.000
y -3.608 -22.854 0.000
z 0.000 0.000 -16.761
Traceless
 xyz
x 3.827 -3.608 0.000
y -3.608 -6.483 0.000
z 0.000 0.000 2.656
Polar
3z2-r25.312
x2-y26.874
xy-3.608
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.319 -0.180 0.000
y -0.180 3.629 0.000
z 0.000 0.000 3.452


<r2> (average value of r2) Å2
<r2> 46.297
(<r2>)1/2 6.804