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

using model chemistry: B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-192.245985
Energy at 298.15K-192.251368
Nuclear repulsion energy40.211748
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_cp_opt/6-311+G(3df,2pd)
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 3897 3780 84.98      
2 A 3851 3735 45.52      
3 A 3682 3572 413.01      
4 A 3125 3032 16.78      
5 A 3069 2977 38.18      
6 A 3013 2922 52.93      
7 A 1648 1598 47.81      
8 A 1510 1465 6.13      
9 A 1500 1455 4.24      
10 A 1482 1437 3.30      
11 A 1367 1326 26.81      
12 A 1176 1140 0.34      
13 A 1079 1046 13.03      
14 A 1038 1006 121.92      
15 A 623 605 66.53      
16 A 371 360 60.26      
17 A 290 282 153.98      
18 A 171 166 3.06      
19 A 117 113 116.68      
20 A 60 58 15.53      
21 A 47 46 8.77      

Unscaled Zero Point Vibrational Energy (zpe) 16556.5 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 16059.8 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_cp_opt/6-311+G(3df,2pd)
ABC
1.07147 0.12773 0.11835

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.224 0.109 -0.029
O2 2.132 -0.202 0.108
O3 -0.637 0.623 -0.099
H4 2.614 0.065 -0.678
H5 -0.831 1.286 0.568
C6 -1.584 -0.441 0.004
H7 -2.600 -0.087 -0.185
H8 -1.319 -1.170 -0.757
H9 -1.542 -0.925 0.982

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96981.93161.53512.44192.86143.83202.93813.1209
O20.96982.89660.95973.34733.72544.74263.68753.8453
O31.93162.89663.34900.96051.42792.08952.02792.0936
H41.53510.95973.34903.86164.28325.23974.12334.5835
H52.44193.34730.96053.86161.96672.36312.83322.3593
C62.86143.72541.42794.28321.96671.09201.08681.0919
H73.83204.74262.08955.23972.36311.09201.77181.7836
H82.93813.68752.02794.12332.83321.08681.77181.7704
H93.12093.84532.09364.58352.35931.09191.78361.7704

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 105.421 H1 O3 H5 110.667
H1 O3 C6 115.990 O2 H1 O3 173.064
O3 C6 H7 111.331 O3 C6 H8 106.702
O3 C6 H9 111.673 H5 O3 C6 109.296
H7 C6 H8 108.821 H7 C6 H9 109.508
H8 C6 H9 108.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.528      
4 H 0.000      
5 H 0.180      
6 C 0.208      
7 H 0.046      
8 H 0.046      
9 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.671 0.883 -0.357 2.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.109 1.706 -5.033
y 1.706 -19.329 1.720
z -5.033 1.720 -19.360
Traceless
 xyz
x -0.765 1.706 -5.033
y 1.706 0.405 1.720
z -5.033 1.720 0.359
Polar
3z2-r20.719
x2-y2-0.780
xy1.706
xz-5.033
yz1.720


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.033 0.239 0.002
y 0.239 3.224 0.052
z 0.002 0.052 2.889


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000