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

using model chemistry: PBEPBEultrafine_cp_opt/6-31G*

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/6-31G*
 hartrees
Energy at 0K-191.900909
Energy at 298.15K-191.906423
Nuclear repulsion energy39.903071
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/6-31G*
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 3708 3655 39.52      
2 A 3645 3593 16.87      
3 A 3481 3431 334.49      
4 A 3081 3037 23.34      
5 A 3001 2958 59.35      
6 A 2946 2904 56.66      
7 A 1714 1690 55.25      
8 A 1491 1470 4.39      
9 A 1476 1455 3.51      
10 A 1459 1438 6.10      
11 A 1364 1344 27.50      
12 A 1146 1130 0.07      
13 A 1067 1052 0.87      
14 A 1033 1019 128.63      
15 A 656 647 84.89      
16 A 435 428 61.89      
17 A 313 309 190.29      
18 A 197 194 1.48      
19 A 111 110 114.15      
20 A 70 69 24.57      
21 A 49 48 9.65      

Unscaled Zero Point Vibrational Energy (zpe) 16221.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 15989.4 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/6-31G*
ABC
0.95372 0.13535 0.12357

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine_cp_opt/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.160 0.131 0.055
O2 -2.074 -0.204 -0.110
O3 0.672 0.685 0.110
H4 -2.557 0.085 0.687
H5 0.790 1.199 -0.714
C6 1.500 -0.478 -0.002
H7 2.573 -0.218 -0.094
H8 1.361 -1.049 0.929
H9 1.211 -1.126 -0.853

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98741.91501.53392.35312.72943.75222.91782.8337
O20.98742.89500.97583.24643.58604.64693.68713.4923
O31.91502.89503.33510.97801.43182.11432.03822.1207
H41.53390.97583.33513.79614.15345.19804.08644.2474
H52.35313.24640.97803.79611.95562.36052.84282.3675
C62.72943.58601.43184.15341.95561.10771.10081.1079
H73.75224.64692.11435.19802.36051.10771.79021.8033
H82.91783.68712.03824.08642.84281.10081.79021.7896
H92.83373.49232.12074.24742.36751.10791.80331.7896

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 102.760 H1 O3 H5 104.112
H1 O3 C6 108.415 O2 H1 O3 171.327
O3 C6 H7 112.096 O3 C6 H8 106.444
O3 C6 H9 112.611 H5 O3 C6 106.979
H7 C6 H8 108.309 H7 C6 H9 108.960
H8 C6 H9 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.580      
4 H 0.000      
5 H 0.384      
6 C -0.267      
7 H 0.143      
8 H 0.175      
9 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.515 0.811 0.209 2.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.133 -2.284 -5.115
y -2.284 -19.010 -1.928
z -5.115 -1.928 -18.159
Traceless
 xyz
x -1.549 -2.284 -5.115
y -2.284 0.136 -1.928
z -5.115 -1.928 1.413
Polar
3z2-r22.826
x2-y2-1.123
xy-2.284
xz-5.115
yz-1.928


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.178 -0.143 0.031
y -0.143 2.594 -0.148
z 0.031 -0.148 2.426


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