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

using model chemistry: HF_cp/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 HF_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-191.159858
Energy at 298.15K-191.151723
Nuclear repulsion energy 
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 HF/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 4199 3823 136.56      
2 A 4168 3795 69.55      
3 A 4060 3696 230.27      
4 A 3259 2967 30.97      
5 A 3206 2919 58.26      
6 A 3155 2873 62.73      
7 A 1766 1607 73.89      
8 A 1629 1483 5.14      
9 A 1621 1476 3.36      
10 A 1609 1465 6.32      
11 A 1480 1348 40.32      
12 A 1280 1166 2.36      
13 A 1160 1056 79.41      
14 A 1156 1053 80.95      
15 A 552 502 102.74      
16 A 338 308 108.31      
17 A 275 251 103.05      
18 A 141 128 2.73      
19 A 107 97 119.82      
20 A 51 46 17.33      
21 A 39 35 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 17625.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 16046.0 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 HF/aug-cc-pVTZ
ABC
1.15039 0.11800 0.11042

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.331 0.099 0.029
O2 2.231 -0.182 0.105
O3 -0.670 0.584 -0.072
H4 2.645 0.034 -0.712
H5 -0.966 1.354 0.379
C6 -1.640 -0.429 0.001
H7 -2.564 -0.129 -0.481
H8 -1.244 -1.290 -0.516
H9 -1.848 -0.708 1.028

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.94562.06231.50942.64113.01833.93502.97613.4289
O20.94563.00630.94023.55753.88074.83083.69974.2155
O32.06233.00633.42090.93971.40452.06392.00942.0656
H41.50940.94023.42093.99614.36845.21614.11234.8747
H52.64113.55750.93973.99611.94342.34292.80482.3347
C63.01833.88071.40454.36841.94341.08431.07941.0842
H73.93504.83082.06395.21612.34291.08431.75841.7678
H82.97613.69972.00944.11232.80481.07941.75841.7572
H93.42894.21552.06564.87472.33471.08421.76781.7572

picture of water methanol dimer state 1 conformation 1
More geometry information
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