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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-190.740766
Energy at 298.15K-190.745992
HF Energy-190.740766
Nuclear repulsion energy80.853582
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 PBEPBEultrafine/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 3628 3607 9.12      
2 A 2920 2903 78.94      
3 A 1449 1441 1.24      
4 A 1356 1348 2.79      
5 A 1165 1159 0.92      
6 A 1010 1004 91.73      
7 A 563 559 72.54      
8 A 383 381 30.35      
9 B 3629 3608 17.21      
10 B 2966 2949 68.36      
11 B 1395 1387 78.41      
12 B 1322 1314 11.12      
13 B 1051 1044 224.29      
14 B 981 975 10.22      
15 B 409 406 168.82      

Unscaled Zero Point Vibrational Energy (zpe) 12112.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 12042.4 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 PBEPBEultrafine/cc-pVDZ
ABC
1.37263 0.33627 0.29790

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 -0.791
H7 0.814 -1.140 -0.791

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41261.41261.11501.11501.92531.9253
O21.41262.35942.11242.00710.97982.5175
O31.41262.35942.00712.11242.51750.9798
H41.11502.11242.00711.81522.32432.8146
H51.11502.00712.11241.81522.81462.3243
H61.92530.97982.51752.32432.81462.8006
H71.92532.51750.97982.81462.32432.8006

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 105.751 C1 O3 H7 105.751
O2 C1 O3 113.257 O2 C1 H4 112.854
O2 C1 H5 104.518 O3 C1 H4 104.518
O3 C1 H5 112.854 H4 C1 H5 108.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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 3.257 -3.001 0.000
y -3.001 -5.716 0.000
z 0.000 0.000 2.460
Polar
3z2-r24.919
x2-y25.982
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