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

using model chemistry: PBEPBEultrafine_cp_opt/aug-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 PBEPBEultrafine_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-192.019512
Energy at 298.15K-192.024946
Nuclear repulsion energy39.924628
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_cp_opt/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 3768 3730 66.04      
2 A 3714 3677 35.80      
3 A 3494 3459 486.50      
4 A 3061 3031 14.32      
5 A 3002 2972 35.04      
6 A 2943 2914 55.00      
7 A 1611 1594 37.57      
8 A 1455 1440 6.68      
9 A 1444 1429 4.34      
10 A 1422 1408 2.64      
11 A 1328 1314 22.22      
12 A 1131 1120 0.04      
13 A 1047 1036 3.30      
14 A 1004 994 119.92      
15 A 645 638 47.14      
16 A 389 385 39.54      
17 A 297 294 160.13      
18 A 181 180 3.84      
19 A 112 111 99.05      
20 A 66 66 13.30      
21 A 51 50 10.10      

Unscaled Zero Point Vibrational Energy (zpe) 16081.2 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 15920.4 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_cp_opt/aug-cc-pVTZ
ABC
1.00142 0.13386 0.12280

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.173 0.132 -0.051
O2 2.080 -0.211 0.107
O3 -0.640 0.658 -0.105
H4 2.592 0.092 -0.658
H5 -0.793 1.245 0.652
C6 -1.535 -0.460 0.002
H7 -2.587 -0.138 -0.038
H8 -1.330 -1.107 -0.859
H9 -1.361 -1.037 0.924

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98251.88821.54412.36622.77213.76962.90722.9557
O20.98252.86300.96913.26693.62474.66983.65553.6315
O31.88822.86303.32710.97041.43712.10532.03982.1107
H41.54410.96913.32713.80854.21575.22124.10644.4049
H52.36623.26690.97043.80851.97032.36852.84672.3676
C62.77213.62471.43714.21571.97031.10121.09581.1013
H73.76964.66982.10535.22122.36851.10121.78621.7994
H82.90723.65552.03984.10642.84671.09581.78621.7845
H92.95573.63152.11074.40492.36761.10131.79941.7845

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 104.597 H1 O3 H5 107.335
H1 O3 C6 112.243 O2 H1 O3 171.199
O3 C6 H7 111.395 O3 C6 H8 106.509
O3 C6 H9 111.835 H5 O3 C6 108.294
H7 C6 H8 108.787 H7 C6 H9 109.565
H8 C6 H9 108.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.384      
4 H 0.000      
5 H 0.140      
6 C -0.433      
7 H 0.210      
8 H 0.255      
9 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.469 0.813 -0.178 2.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.262 1.953 -4.712
y 1.953 -19.871 1.744
z -4.712 1.744 -19.385
Traceless
 xyz
x -0.634 1.953 -4.712
y 1.953 -0.048 1.744
z -4.712 1.744 0.682
Polar
3z2-r21.363
x2-y2-0.390
xy1.953
xz-4.712
yz1.744


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.345 0.257 0.001
y 0.257 3.565 0.046
z 0.001 0.046 3.203


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