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All results from a given calculation for H2OCH3OCH3 (water dimethylether dimer)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-230.853623
Energy at 298.15K-230.861595
HF Energy-230.116243
Nuclear repulsion energy134.391893
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 MP3=FULL/6-31+G**
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 4021 3746 113.12      
2 A 3828 3566 373.38      
3 A 3250 3027 20.30      
4 A 3249 3026 19.57      
5 A 3176 2959 0.01      
6 A 3171 2954 93.02      
7 A 3106 2893 55.92      
8 A 3099 2887 45.92      
9 A 1691 1575 54.62      
10 A 1571 1463 2.61      
11 A 1558 1451 10.56      
12 A 1553 1447 14.13      
13 A 1547 1441 0.99      
14 A 1542 1437 0.02      
15 A 1515 1411 4.18      
16 A 1315 1225 10.42      
17 A 1243 1158 112.16      
18 A 1234 1149 9.63      
19 A 1199 1117 0.02      
20 A 1154 1075 32.13      
21 A 973 906 48.55      
22 A 681 635 97.28      
23 A 428 399 9.49      
24 A 361 336 100.06      
25 A 261 243 29.41      
26 A 188 176 0.26      
27 A 174 162 2.28      
28 A 127 118 140.23      
29 A 45 42 9.88      
30 A 42 39 14.14      

Unscaled Zero Point Vibrational Energy (zpe) 23649.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 22032.0 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 MP3=FULL/6-31+G**
ABC
0.31222 0.11411 0.08938

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.540 -0.350 0.078
O2 2.492 -0.215 0.135
O3 -0.423 -0.097 -0.209
C4 -0.700 1.281 0.033
C5 -1.514 -0.965 0.064
H6 2.831 -0.381 -0.746
H7 -1.424 1.417 0.837
H8 0.231 1.760 0.320
H9 -1.084 1.770 -0.864
H10 -1.183 -1.968 -0.179
H11 -1.804 -0.926 1.116
H12 -2.388 -0.721 -0.544

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.96351.99952.77083.11511.53183.53322.49443.50203.17853.54853.9943
O20.96352.93763.52674.07630.95824.30063.00804.21034.08464.46394.9534
O31.99952.93761.42611.42083.30992.09502.03812.08612.02032.08592.0892
C42.77083.52671.42612.38943.97941.09081.08521.09103.29182.69542.6814
C53.11514.07631.42082.38944.45792.50633.24562.92031.08331.09201.0926
H61.53180.95823.30993.97944.45794.88323.53304.46854.35395.02455.2341
H73.53324.30062.09501.09082.50634.88321.76711.76983.54252.39062.7214
H82.49443.00802.03811.08523.24563.53301.76711.76914.01813.46233.7091
H93.50204.21032.08611.09102.92034.46851.76981.76913.80203.42192.8300
H103.17854.08462.02033.29181.08334.35393.54254.01813.80201.77351.7723
H113.54854.46392.08592.69541.09205.02452.39063.46233.42191.77351.7715
H123.99434.95342.08922.68141.09265.23412.72143.70912.83001.77231.7715

picture of water dimethylether dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H6 105.706 H1 O3 C4 106.770
H1 O3 C5 130.463 O2 H1 O3 163.945
O3 C4 H7 112.000 O3 C4 H8 107.728
O3 C4 H9 111.251 O3 C5 H10 106.788
O3 C5 H11 111.548 O3 C5 H12 111.785
C4 O3 C5 114.128 H7 C4 H8 108.602
H7 C4 H9 108.416 H8 C4 H9 108.765
H10 C5 H11 109.226 H10 C5 H12 109.075
H11 C5 H12 108.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability