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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-230.055272
Energy at 298.15K-230.064200
HF Energy-230.055272
Nuclear repulsion energy135.727080
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 M06-2X/3-21G*
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 3599 3409 44.66      
2 A 3400 3221 252.15      
3 A 3170 3002 2.28      
4 A 3162 2995 13.93      
5 A 3111 2947 34.78      
6 A 3096 2933 45.29      
7 A 3047 2886 44.04      
8 A 3038 2878 26.38      
9 A 1725 1634 78.99      
10 A 1596 1511 4.56      
11 A 1589 1505 9.62      
12 A 1573 1490 15.16      
13 A 1561 1479 6.76      
14 A 1526 1446 7.18      
15 A 1493 1414 4.42      
16 A 1282 1214 1.33      
17 A 1209 1145 7.26      
18 A 1201 1137 64.88      
19 A 1177 1114 0.25      
20 A 1122 1063 36.39      
21 A 938 888 1.92      
22 A 893 846 416.22      
23 A 436 413 6.40      
24 A 394 373 106.05      
25 A 353 335 107.61      
26 A 280 265 26.38      
27 A 254 240 0.98      
28 A 248 235 3.03      
29 A 177 167 19.42      
30 A 98 93 5.01      

Unscaled Zero Point Vibrational Energy (zpe) 23372.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 22138.5 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 M06-2X/3-21G*
ABC
0.41396 0.11301 0.09295

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.285 -0.670 0.171
O2 2.244 -0.388 0.118
O3 -0.391 -0.228 -0.090
C4 -0.190 1.213 0.004
C5 -1.782 -0.612 0.026
H6 2.495 -0.506 -0.833
H7 -0.619 1.611 0.932
H8 0.894 1.316 0.012
H9 -0.642 1.729 -0.852
H10 -1.816 -1.700 -0.038
H11 -2.203 -0.287 0.986
H12 -2.379 -0.178 -0.786

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H11.00141.75272.39773.07071.58153.06622.03023.24223.27433.60233.8181
O21.00142.64832.91584.03340.99093.58472.17623.70824.27004.53234.7149
O31.75272.64831.45751.44772.99382.11532.01162.11452.04982.10812.1065
C42.39772.91581.45752.42173.29651.09711.08981.09653.33632.69572.7104
C53.07074.03341.44772.42174.36432.66723.29882.74761.09051.09751.0974
H61.58150.99092.99383.29654.36434.15822.56813.85184.54425.04334.8853
H73.06623.58472.11531.09712.66724.15821.79541.78853.65182.47283.0412
H82.03022.17622.01161.08983.29882.56811.79541.81054.05573.62153.6853
H93.24223.70822.11451.09652.74763.85181.78851.81053.71443.14312.5795
H103.27434.27002.04983.33631.09054.54423.65184.05573.71441.78761.7869
H113.60234.53232.10812.69571.09755.04332.47283.62153.14311.78761.7844
H123.81814.71492.10652.71041.09744.88533.04123.68532.57951.78691.7844

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 105.079 H1 O3 C4 96.208
H1 O3 C5 147.118 O2 H1 O3 146.835
O3 C4 H7 111.009 O3 C4 H8 103.368
O3 C4 H9 110.981 O3 C5 H10 106.876
O3 C5 H11 111.101 O3 C5 H12 110.976
C4 O3 C5 112.934 H7 C4 H8 110.363
H7 C4 H9 109.234 H8 C4 H9 111.801
H10 C5 H11 109.569 H10 C5 H12 109.514
H11 C5 H12 108.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.373      
2 O -0.708      
3 O -0.539      
4 C -0.351      
5 C -0.307      
6 H 0.322      
7 H 0.186      
8 H 0.241      
9 H 0.184      
10 H 0.220      
11 H 0.191      
12 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.112 0.305 -1.400 3.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.234 0.656 -4.716
y 0.656 -24.016 0.725
z -4.716 0.725 -25.362
Traceless
 xyz
x -3.545 0.656 -4.716
y 0.656 2.782 0.725
z -4.716 0.725 0.763
Polar
3z2-r21.526
x2-y2-4.217
xy0.656
xz-4.716
yz0.725


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.023 0.256 -0.289
y 0.256 4.177 0.062
z -0.289 0.062 3.907


<r2> (average value of r2) Å2
<r2> 128.030
(<r2>)1/2 11.315