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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-191.037781
Energy at 298.15K-191.042975
HF Energy-191.037781
Nuclear repulsion energy81.313850
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 B3LYPultrafine/aug-cc-pVTZ
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 3795 3672 23.81      
2 A 3032 2933 55.26      
3 A 1526 1476 0.12      
4 A 1388 1343 3.09      
5 A 1202 1163 2.04      
6 A 1030 996 92.32      
7 A 554 536 59.66      
8 A 375 363 60.94      
9 B 3795 3671 44.24      
10 B 3078 2978 37.52      
11 B 1442 1395 49.03      
12 B 1367 1323 34.32      
13 B 1044 1011 284.70      
14 B 1006 973 4.87      
15 B 366 354 159.93      

Unscaled Zero Point Vibrational Energy (zpe) 12498.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12092.5 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 B3LYPultrafine/aug-cc-pVTZ
ABC
1.39999 0.33752 0.29954

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.530
O2 0.000 1.174 -0.247
O3 0.000 -1.174 -0.247
H4 -0.891 -0.071 1.156
H5 0.891 0.071 1.156
H6 -0.812 1.199 -0.765
H7 0.812 -1.199 -0.765

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40821.40821.09131.09131.94261.9426
O21.40822.34852.07721.99490.96352.5612
O31.40822.34851.99492.07722.56120.9635
H41.09132.07721.99491.78792.30432.8040
H51.09131.99492.07721.78792.80402.3043
H61.94260.96352.56122.30432.80402.8963
H71.94262.56120.96352.80402.30432.8963

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.534 C1 O3 H7 108.534
O2 C1 O3 112.998 O2 C1 H4 111.787
O2 C1 H5 105.193 O3 C1 H4 105.193
O3 C1 H5 111.787 H4 C1 H5 109.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 O -0.438      
3 O -0.438      
4 H 0.299      
5 H 0.299      
6 H 0.131      
7 H 0.131      


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 -0.057 0.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.008 -3.501 0.000
y -3.501 -22.733 0.000
z 0.000 0.000 -16.933
Traceless
 xyz
x 3.825 -3.501 0.000
y -3.501 -6.262 0.000
z 0.000 0.000 2.437
Polar
3z2-r24.875
x2-y26.724
xy-3.501
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.695 -0.153 0.000
y -0.153 4.221 0.000
z 0.000 0.000 3.918


<r2> (average value of r2) Å2
<r2> 45.951
(<r2>)1/2 6.779