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

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-190.779418
Energy at 298.15K-190.784763
HF Energy-190.779418
Nuclear repulsion energy81.894663
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/6-311G*
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 3828 3669 11.47      
2 A 3054 2928 75.12      
3 A 1542 1478 0.46      
4 A 1423 1364 5.67      
5 A 1230 1179 1.84      
6 A 1078 1033 115.73      
7 A 597 572 112.67      
8 A 422 404 39.74      
9 B 3827 3669 18.94      
10 B 3104 2975 65.27      
11 B 1478 1417 84.25      
12 B 1397 1339 25.81      
13 B 1118 1072 254.80      
14 B 1030 988 13.52      
15 B 430 412 223.62      

Unscaled Zero Point Vibrational Energy (zpe) 12778.9 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 12248.6 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/6-311G*
ABC
1.40530 0.34491 0.30520

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.527
O2 0.000 1.163 -0.245
O3 0.000 -1.163 -0.245
H4 -0.892 -0.080 1.159
H5 0.892 0.080 1.159
H6 -0.798 1.158 -0.781
H7 0.798 -1.158 -0.781

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39601.39601.09551.09551.92081.9208
O21.39602.32612.07581.98470.96172.5124
O31.39602.32611.98472.07582.51240.9617
H41.09552.07581.98471.79012.30282.7896
H51.09551.98472.07581.79012.78962.3028
H61.92080.96172.51242.30282.78962.8131
H71.92082.51240.96172.78962.30282.8131

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.693 C1 O3 H7 107.693
O2 C1 O3 112.848 O2 C1 H4 112.293
O2 C1 H5 104.975 O3 C1 H4 104.975
O3 C1 H5 112.293 H4 C1 H5 109.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 O -0.558      
3 O -0.558      
4 H 0.204      
5 H 0.204      
6 H 0.385      
7 H 0.385      


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 -0.360 0.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.540 -3.630 0.000
y -3.630 -22.540 0.000
z 0.000 0.000 -16.156
Traceless
 xyz
x 3.808 -3.630 0.000
y -3.630 -6.691 0.000
z 0.000 0.000 2.884
Polar
3z2-r25.767
x2-y26.999
xy-3.630
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.838 -0.164 0.000
y -0.164 2.909 0.000
z 0.000 0.000 2.918


<r2> (average value of r2) Å2
<r2> 45.026
(<r2>)1/2 6.710