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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-189.946403
Energy at 298.15K-189.951740
HF Energy-189.946403
Nuclear repulsion energy82.412183
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 HF/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 4154 3783 46.84      
2 A 3212 2925 71.90      
3 A 1643 1496 0.76      
4 A 1496 1362 4.81      
5 A 1296 1181 1.00      
6 A 1147 1044 119.40      
7 A 602 549 75.86      
8 A 405 369 68.79      
9 B 4153 3781 75.55      
10 B 3262 2971 55.29      
11 B 1566 1426 88.80      
12 B 1476 1344 49.82      
13 B 1201 1094 261.94      
14 B 1086 989 17.18      
15 B 378 344 180.86      

Unscaled Zero Point Vibrational Energy (zpe) 13538.3 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 12328.0 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 HF/aug-cc-pVDZ
ABC
1.41487 0.34958 0.30846

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.528
O2 0.000 1.154 -0.245
O3 0.000 -1.154 -0.245
H4 -0.888 -0.062 1.155
H5 0.888 0.062 1.155
H6 -0.780 1.176 -0.777
H7 0.780 -1.176 -0.777

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.38951.38951.08851.08851.92221.9222
O21.38952.30832.05671.98530.94422.5139
O31.38952.30831.98532.05672.51390.9442
H41.08852.05671.98531.77952.29772.7847
H51.08851.98532.05671.77952.78472.2977
H61.92220.94422.51392.29772.78472.8219
H71.92222.51390.94422.78472.29772.8219

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 109.427 C1 O3 H7 109.427
O2 C1 O3 112.330 O2 C1 H4 111.619
O2 C1 H5 105.847 O3 C1 H4 105.847
O3 C1 H5 111.619 H4 C1 H5 109.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.366      
2 O -0.585      
3 O -0.585      
4 H -0.190      
5 H -0.190      
6 H 0.092      
7 H 0.092      


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 -0.108 0.108
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.748 -3.528 0.000
y -3.528 -22.677 0.000
z 0.000 0.000 -16.357
Traceless
 xyz
x 3.769 -3.528 0.000
y -3.528 -6.625 0.000
z 0.000 0.000 2.856
Polar
3z2-r25.712
x2-y26.929
xy-3.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.224 -0.097 0.000
y -0.097 3.505 0.000
z 0.000 0.000 3.393


<r2> (average value of r2) Å2
<r2> 44.799
(<r2>)1/2 6.693