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

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-190.824316
Energy at 298.15K-190.829532
HF Energy-190.824316
Nuclear repulsion energy81.778052
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-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 3853 3704 26.59      
2 A 3042 2925 57.12      
3 A 1523 1464 0.05      
4 A 1393 1340 3.06      
5 A 1210 1164 0.61      
6 A 1060 1019 95.11      
7 A 565 544 61.05      
8 A 374 360 61.07      
9 B 3852 3704 49.39      
10 B 3090 2971 37.97      
11 B 1443 1387 55.28      
12 B 1373 1320 30.92      
13 B 1096 1054 258.53      
14 B 1010 971 24.91      
15 B 367 353 161.34      

Unscaled Zero Point Vibrational Energy (zpe) 12625.3 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 12139.2 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-pVTZ
ABC
1.41001 0.34250 0.30384

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.526
O2 0.000 1.166 -0.246
O3 0.000 -1.166 -0.246
H4 -0.891 -0.071 1.156
H5 0.891 0.071 1.156
H6 -0.810 1.183 -0.763
H7 0.810 -1.183 -0.763

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39801.39801.09381.09381.92791.9279
O21.39802.33132.07111.98960.96082.5378
O31.39802.33131.98962.07112.53780.9608
H41.09382.07111.98961.78742.29422.7951
H51.09381.98962.07111.78742.79512.2942
H61.92790.96082.53782.29422.79512.8677
H71.92792.53780.96082.79512.29422.8677

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.199 C1 O3 H7 108.199
O2 C1 O3 112.983 O2 C1 H4 111.864
O2 C1 H5 105.316 O3 C1 H4 105.316
O3 C1 H5 111.864 H4 C1 H5 109.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 O -0.417      
3 O -0.417      
4 H 0.296      
5 H 0.296      
6 H 0.137      
7 H 0.137      


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 -0.115 0.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.840 -3.454 0.000
y -3.454 -22.475 0.000
z 0.000 0.000 -16.776
Traceless
 xyz
x 3.785 -3.454 0.000
y -3.454 -6.167 0.000
z 0.000 0.000 2.382
Polar
3z2-r24.763
x2-y26.634
xy-3.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.630 -0.139 0.000
y -0.139 4.096 0.000
z 0.000 0.000 3.849


<r2> (average value of r2) Å2
<r2> 45.384
(<r2>)1/2 6.737