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

using model chemistry: PBE1PBE/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-190.750053
Energy at 298.15K-190.755345
HF Energy-190.750053
Nuclear repulsion energy81.776159
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-pVDZ
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 3817 3670 21.11      
2 A 3029 2912 74.98      
3 A 1509 1451 1.24      
4 A 1401 1347 3.33      
5 A 1213 1167 0.09      
6 A 1075 1034 105.12      
7 A 583 560 80.01      
8 A 397 382 40.42      
9 B 3817 3670 38.43      
10 B 3079 2961 64.32      
11 B 1450 1394 87.98      
12 B 1372 1319 19.70      
13 B 1134 1091 226.23      
14 B 1017 978 19.58      
15 B 405 389 178.79      

Unscaled Zero Point Vibrational Energy (zpe) 12649.1 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 12162.1 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-pVDZ
ABC
1.39682 0.34488 0.30508

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.526
O2 0.000 1.164 -0.245
O3 0.000 -1.164 -0.245
H4 -0.895 -0.082 1.169
H5 0.895 0.082 1.169
H6 -0.802 1.139 -0.784
H7 0.802 -1.139 -0.784

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39621.39621.10511.10511.91231.9123
O21.39622.32792.08611.99310.96702.4975
O31.39622.32791.99312.08612.49750.9670
H41.10512.08611.99311.79742.30492.7954
H51.10511.99312.08611.79742.79542.3049
H61.91230.96702.49752.30492.79542.7863
H71.91232.49750.96702.79542.30492.7863

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 106.629 C1 O3 H7 106.629
O2 C1 O3 112.960 O2 C1 H4 112.511
O2 C1 H5 105.063 O3 C1 H4 105.063
O3 C1 H5 112.511 H4 C1 H5 108.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.208      
2 O -0.282      
3 O -0.282      
4 H 0.036      
5 H 0.036      
6 H 0.142      
7 H 0.142      


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 -0.355 0.355
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.505 -3.141 0.000
y -3.141 -21.777 0.000
z 0.000 0.000 -16.036
Traceless
 xyz
x 3.401 -3.141 0.000
y -3.141 -6.006 0.000
z 0.000 0.000 2.605
Polar
3z2-r25.210
x2-y26.271
xy-3.141
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.830 -0.156 0.000
y -0.156 2.862 0.000
z 0.000 0.000 2.909


<r2> (average value of r2) Å2
<r2> 44.858
(<r2>)1/2 6.698