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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-190.740763
Energy at 298.15K-190.745994
HF Energy-190.740763
Nuclear repulsion energy80.853421
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3629 3608 9.11      
2 A 2920 2903 78.93      
3 A 1449 1441 1.24      
4 A 1355 1348 2.76      
5 A 1165 1158 0.89      
6 A 1010 1004 91.45      
7 A 562 559 72.96      
8 A 384 382 30.29      
9 B 3630 3609 17.21      
10 B 2966 2949 68.32      
11 B 1395 1387 78.70      
12 B 1322 1314 10.95      
13 B 1050 1044 224.46      
14 B 981 975 10.36      
15 B 412 410 168.38      

Unscaled Zero Point Vibrational Energy (zpe) 12115.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 12045.0 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/cc-pVDZ
ABC
1.37272 0.33626 0.29790

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.530
O2 0.000 1.180 -0.247
O3 0.000 -1.180 -0.247
H4 -0.903 -0.092 1.178
H5 0.903 0.092 1.178
H6 -0.814 1.140 -0.792
H7 0.814 -1.140 -0.792

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41261.41261.11501.11501.92541.9254
O21.41262.35942.11232.00710.97992.5176
O31.41262.35942.00712.11232.51760.9799
H41.11502.11232.00711.81532.32432.8147
H51.11502.00712.11231.81532.81472.3243
H61.92540.97992.51762.32432.81472.8007
H71.92542.51760.97992.81472.32432.8007

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 105.758 C1 O3 H7 105.758
O2 C1 O3 113.261 O2 C1 H4 112.851
O2 C1 H5 104.517 O3 C1 H4 104.517
O3 C1 H5 112.851 H4 C1 H5 108.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 O -0.244      
3 O -0.244      
4 H 0.027      
5 H 0.027      
6 H 0.132      
7 H 0.132      


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 -0.399 0.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.722 -3.001 0.000
y -3.001 -21.704 0.000
z 0.000 0.000 -16.253
Traceless
 xyz
x 3.256 -3.001 0.000
y -3.001 -5.716 0.000
z 0.000 0.000 2.460
Polar
3z2-r24.920
x2-y25.981
xy-3.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.002 -0.201 0.000
y -0.201 3.113 0.000
z 0.000 0.000 3.100


<r2> (average value of r2) Å2
<r2> 45.700
(<r2>)1/2 6.760