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

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-191.659809
Energy at 298.15K-191.665487
Counterpoise corrected energy-191.659809
CP Energy at 298.15K-191.665487
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy80.710646
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 CCD/cc-pVDZ
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 3941 3770 71.17      
2 A 3878 3710 37.53      
3 A 3823 3657 141.67      
4 A 3169 3032 28.27      
5 A 3133 2998 42.46      
6 A 3055 2922 41.22      
7 A 1733 1658 47.43      
8 A 1515 1450 3.84      
9 A 1505 1440 3.58      
10 A 1494 1430 4.86      
11 A 1410 1349 32.10      
12 A 1187 1136 1.04      
13 A 1105 1057 15.16      
14 A 1085 1038 91.73      
15 A 601 575 156.78      
16 A 471 451 37.84      
17 A 272 261 186.12      
18 A 189 181 2.79      
19 A 144 138 103.81      
20 A 110 105 12.46      
21 A 74 71 29.08      

Unscaled Zero Point Vibrational Energy (zpe) 16947.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16214.0 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 CCD/cc-pVDZ
ABC
0.79421 0.15771 0.13827

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.136 0.395 0.105
O2 -1.948 -0.083 -0.118
O3 0.812 0.751 0.148
H4 -2.190 -0.480 0.727
H5 0.917 1.195 -0.703
C6 1.241 -0.596 -0.034
H7 2.280 -0.650 -0.412
H8 1.210 -1.077 0.957
H9 0.568 -1.153 -0.712

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96851.98061.50422.34662.57903.60932.89832.4433
O20.96852.89550.96373.19123.23104.27573.48132.7983
O31.98062.89553.29550.96521.42522.10492.03872.1032
H41.50420.96373.29553.80793.51624.61563.46023.1834
H52.34663.19120.96523.80791.93872.31202.82902.3732
C62.57903.23101.42523.51621.93871.10671.10221.1056
H73.60934.27572.10494.61562.31201.10671.78871.8087
H82.89833.48132.03873.46022.82901.10221.78871.7902
H92.44332.79832.10323.18342.37321.10561.80871.7902

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 102.250 H1 O3 H5 99.820
H1 O3 C6 97.095 O2 H1 O3 156.687
O3 C6 H7 111.861 O3 C6 H8 106.836
O3 C6 H9 111.792 H5 O3 C6 106.812
H7 C6 H8 108.147 H7 C6 H9 109.682
H8 C6 H9 108.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability