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All results from a given calculation for H2OCH3OH (water methanol dimer)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-192.231172
Energy at 298.15K-192.236585
HF Energy-192.231172
Nuclear repulsion energy79.789238
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 TPSSh/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 3836 3715 52.16      
2 A 3800 3680 31.77      
3 A 3622 3507 334.33      
4 A 3126 3027 18.77      
5 A 3064 2967 48.75      
6 A 3006 2911 54.93      
7 A 1676 1623 47.55      
8 A 1519 1471 3.93      
9 A 1507 1460 2.90      
10 A 1481 1434 3.87      
11 A 1369 1325 23.47      
12 A 1171 1134 0.36      
13 A 1072 1038 9.77      
14 A 1029 997 122.81      
15 A 642 621 107.67      
16 A 364 352 70.14      
17 A 281 272 102.98      
18 A 188 182 6.11      
19 A 133 128 105.14      
20 A 64 62 13.34      
21 A 32 31 7.42      

Unscaled Zero Point Vibrational Energy (zpe) 16490.4 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 15967.6 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 TPSSh/cc-pVTZ
ABC
0.90493 0.14318 0.12875

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.214 0.197 0.026
O2 2.101 -0.184 0.110
O3 -0.712 0.688 -0.102
H4 2.538 0.026 -0.720
H5 -1.002 1.308 0.574
C6 -1.477 -0.509 0.003
H7 -2.539 -0.331 -0.197
H8 -1.091 -1.192 -0.752
H9 -1.371 -0.985 0.984

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96841.99151.52892.53872.78293.79722.80193.0002
O20.96842.95180.96133.47363.59424.65243.45643.6689
O31.99152.95183.37330.96181.42492.09472.02522.1003
H41.52890.96133.37333.98074.11465.11653.82804.3827
H52.53873.47360.96183.98071.96372.37602.83172.3587
C62.78293.59421.42494.11461.96371.09531.08891.0951
H73.79724.65242.09475.11652.37601.09531.77411.7848
H82.80193.45642.02523.82802.83171.08891.77411.7709
H93.00023.66892.10034.38272.35871.09511.78481.7709

picture of water methanol dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.799 H1 O3 H5 113.931
H1 O3 C6 107.936 O2 H1 O3 170.954
O3 C6 H7 111.763 O3 C6 H8 106.578
O3 C6 H9 112.243 H5 O3 C6 109.178
H7 C6 H8 108.628 H7 C6 H9 109.131
H8 C6 H9 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.253      
2 O -0.498      
3 O -0.361      
4 H 0.210      
5 H 0.215      
6 C -0.041      
7 H 0.069      
8 H 0.092      
9 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.748 0.739 -0.435 2.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.587 0.041 -0.175
y 0.041 3.823 0.080
z -0.175 0.080 3.669


<r2> (average value of r2) Å2
<r2> 90.719
(<r2>)1/2 9.525