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

using model chemistry: PBE1PBE/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-190.777167
Energy at 298.15K-190.782393
HF Energy-190.777167
Nuclear repulsion energy81.560815
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/aug-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 3851 3703 26.12      
2 A 3057 2940 58.82      
3 A 1502 1444 0.04      
4 A 1388 1334 3.47      
5 A 1206 1160 0.70      
6 A 1062 1021 92.71      
7 A 564 542 66.15      
8 A 376 361 54.70      
9 B 3850 3703 45.22      
10 B 3113 2993 38.94      
11 B 1434 1379 67.15      
12 B 1360 1308 25.42      
13 B 1101 1059 251.53      
14 B 1008 969 17.62      
15 B 377 362 166.32      

Unscaled Zero Point Vibrational Energy (zpe) 12624.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12139.5 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/aug-cc-pVDZ
ABC
1.39575 0.34166 0.30263

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.529
O2 0.000 1.168 -0.247
O3 0.000 -1.168 -0.247
H4 -0.897 -0.074 1.162
H5 0.897 0.074 1.162
H6 -0.806 1.173 -0.775
H7 0.806 -1.173 -0.775

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40171.40171.10031.10031.93031.9303
O21.40172.33562.08111.99610.96362.5317
O31.40172.33561.99612.08112.53170.9636
H41.10032.08111.99611.79972.30592.8034
H51.10031.99612.08111.79972.80342.3059
H61.93030.96362.53172.30592.80342.8468
H71.93032.53170.96362.80342.30592.8468

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.954 C1 O3 H7 107.954
O2 C1 O3 112.838 O2 C1 H4 111.995
O2 C1 H5 105.198 O3 C1 H4 105.198
O3 C1 H5 111.995 H4 C1 H5 109.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.181      
2 O -0.442      
3 O -0.442      
4 H -0.246      
5 H -0.246      
6 H 0.098      
7 H 0.098      


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 -0.130 0.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.963 -3.390 0.000
y -3.390 -22.648 0.000
z 0.000 0.000 -16.764
Traceless
 xyz
x 3.743 -3.390 0.000
y -3.390 -6.284 0.000
z 0.000 0.000 2.541
Polar
3z2-r25.083
x2-y26.685
xy-3.390
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.620 -0.125 0.000
y -0.125 4.080 0.000
z 0.000 0.000 3.844


<r2> (average value of r2) Å2
<r2> 45.572
(<r2>)1/2 6.751