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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-191.152166
Energy at 298.15K-191.157543
HF Energy-191.152166
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.788077
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/TZVP
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 4199 3815 114.01      
2 A 4167 3786 66.53      
3 A 4056 3685 243.62      
4 A 3276 2976 33.46      
5 A 3218 2924 67.11      
6 A 3164 2875 60.37      
7 A 1749 1590 75.61      
8 A 1630 1481 4.28      
9 A 1621 1473 3.15      
10 A 1615 1468 9.89      
11 A 1479 1344 39.64      
12 A 1283 1166 2.67      
13 A 1161 1055 106.17      
14 A 1153 1047 64.58      
15 A 592 538 150.06      
16 A 369 335 138.24      
17 A 279 254 120.56      
18 A 163 148 2.37      
19 A 118 108 145.13      
20 A 55 50 21.04      
21 A 41 37 7.16      

Unscaled Zero Point Vibrational Energy (zpe) 17694.8 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 16077.5 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 HF/TZVP
ABC
1.10944 0.12277 0.11420

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.232 0.187 0.027
O2 2.101 -0.183 0.105
O3 -0.716 0.677 -0.098
H4 2.554 0.047 -0.688
H5 -0.998 1.302 0.547
C6 -1.477 -0.504 0.002
H7 -2.527 -0.313 -0.197
H8 -1.103 -1.193 -0.740
H9 -1.377 -0.961 0.981

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.94762.01201.50962.54682.79613.79852.81883.0052
O20.94762.95170.94143.46463.59434.63953.46433.6697
O32.01202.95173.38150.94151.40842.06642.01462.0691
H41.50960.94143.38153.96444.12675.11693.86174.3873
H52.54683.46460.94153.96441.94622.34512.80942.3351
C62.79613.59431.40844.12671.94621.08501.07981.0849
H73.79854.63952.06645.11692.34511.08501.75951.7691
H82.81883.46432.01463.86172.80941.07981.75951.7578
H93.00523.66972.06914.38732.33511.08491.76911.7578

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 106.095 H1 O3 H5 114.172
H1 O3 C6 108.374 O2 H1 O3 171.027
O3 C6 H7 111.281 O3 C6 H8 107.388
O3 C6 H9 111.519 H5 O3 C6 110.248
H7 C6 H8 108.737 H7 C6 H9 109.235
H8 C6 H9 108.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.303      
2 O -0.584      
3 O -0.498      
4 H 0.269      
5 H 0.292      
6 C -0.025      
7 H 0.071      
8 H 0.095      
9 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.176 1.075 -0.778 3.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.005 1.219 -5.552
y 1.219 -18.000 1.451
z -5.552 1.451 -19.105
Traceless
 xyz
x -1.453 1.219 -5.552
y 1.219 1.556 1.451
z -5.552 1.451 -0.103
Polar
3z2-r2-0.205
x2-y2-2.006
xy1.219
xz-5.552
yz1.451


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.691 -0.001 -0.154
y -0.001 3.209 0.042
z -0.154 0.042 3.139


<r2> (average value of r2) Å2
<r2> 100.256
(<r2>)1/2 10.013