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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-192.161237
Energy at 298.15K-192.166987
HF Energy-192.161237
Nuclear repulsion energy81.002273
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 TPSSh/6-31G(2df,p)
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 3839 3705 43.84      
2 A 3792 3660 28.28      
3 A 3630 3503 256.12      
4 A 3126 3017 26.80      
5 A 3080 2972 38.38      
6 A 3011 2906 46.81      
7 A 1709 1649 46.16      
8 A 1523 1470 2.95      
9 A 1509 1456 2.81      
10 A 1480 1428 2.18      
11 A 1387 1339 25.83      
12 A 1176 1135 0.63      
13 A 1082 1044 5.95      
14 A 1032 996 103.04      
15 A 628 606 130.68      
16 A 513 495 21.60      
17 A 279 270 192.97      
18 A 200 193 1.96      
19 A 132 128 90.17      
20 A 109 105 5.76      
21 A 97 94 28.33      

Unscaled Zero Point Vibrational Energy (zpe) 16667.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16084.3 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 TPSSh/6-31G(2df,p)
ABC
0.80601 0.15965 0.14009

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.103 0.336 0.164
O2 -1.923 -0.108 -0.120
O3 0.769 0.752 0.142
H4 -2.302 -0.431 0.705
H5 0.736 1.158 -0.734
C6 1.278 -0.575 -0.028
H7 2.251 -0.570 -0.534
H8 1.409 -0.983 0.976
H9 0.571 -1.206 -0.580

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97471.91771.52222.20562.55663.54432.95102.3950
O20.97472.83760.96373.00803.23574.21983.61452.7634
O31.91772.83763.33830.96561.43102.09822.02862.0958
H41.52220.96373.33833.71783.65694.72083.76103.2414
H52.20563.00800.96563.71781.94742.30682.82122.3745
C62.55663.23571.43103.65691.94741.09711.09231.0963
H73.54434.21982.09824.72082.30681.09711.77831.7968
H82.95103.61452.02863.76102.82121.09231.77831.7809
H92.39502.76342.09583.24142.37451.09631.79681.7809

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 103.496 H1 O3 H5 93.942
H1 O3 C6 98.497 O2 H1 O3 156.367
O3 C6 H7 111.514 O3 C6 H8 106.246
O3 C6 H9 111.368 H5 O3 C6 107.096
H7 C6 H8 108.635 H7 C6 H9 110.015
H8 C6 H9 108.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability