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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-231.351989
Energy at 298.15K-231.360009
HF Energy-231.351989
Nuclear repulsion energy133.077167
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 BLYP/6-31G*
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 3651 3621 51.22      
2 A 3493 3464 189.10      
3 A 3081 3056 8.25      
4 A 3059 3034 27.93      
5 A 2965 2941 43.05      
6 A 2956 2932 95.02      
7 A 2923 2900 73.03      
8 A 2909 2886 53.07      
9 A 1701 1687 64.25      
10 A 1507 1495 0.47      
11 A 1488 1476 12.83      
12 A 1482 1470 9.45      
13 A 1472 1460 2.04      
14 A 1466 1454 2.25      
15 A 1439 1427 6.80      
16 A 1242 1232 1.21      
17 A 1172 1162 6.56      
18 A 1154 1144 55.53      
19 A 1137 1128 0.06      
20 A 1075 1066 77.32      
21 A 895 888 44.00      
22 A 647 641 200.17      
23 A 407 404 2.99      
24 A 285 283 69.25      
25 A 256 254 32.77      
26 A 224 222 4.02      
27 A 191 190 77.33      
28 A 165 164 1.17      
29 A 106 105 9.83      
30 A 52 52 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 22298.7 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 22118.1 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 BLYP/6-31G*
ABC
0.36602 0.10505 0.08580

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.528 -0.377 0.078
O2 2.496 -0.243 0.138
O3 -0.433 -0.098 -0.213
C4 -0.659 1.299 0.034
C5 -1.546 -0.956 0.064
H6 2.809 -0.385 -0.773
H7 -1.383 1.471 0.851
H8 0.307 1.738 0.321
H9 -1.029 1.817 -0.870
H10 -1.229 -1.978 -0.181
H11 -1.844 -0.916 1.130
H12 -2.433 -0.699 -0.546

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97882.00192.75583.12791.53763.53422.45423.50033.19843.57354.0232
O20.97882.95323.51344.10460.97364.30072.95804.20574.12104.50244.9974
O32.00192.95321.43621.43263.30242.12072.05002.11042.04202.11322.1156
C42.75583.51341.43622.42303.93911.10491.09951.10633.33282.74052.7346
C53.12794.10461.43262.42304.47112.55673.27982.97171.09771.10721.1072
H61.53760.97363.30243.93914.47114.86413.45884.42624.38075.05515.2569
H73.53424.30072.12071.10492.55674.86411.79181.79103.60362.44752.7867
H82.45422.95802.05001.09953.27983.45881.79181.79164.05203.51123.7688
H93.50034.20572.11041.10632.97174.42621.79101.79163.86233.48382.9004
H103.19844.12102.04203.33281.09774.38073.60364.05203.86231.79571.7940
H113.57354.50242.11322.74051.10725.05512.44753.51123.48381.79571.7893
H124.02324.99742.11562.73461.10725.25692.78673.76882.90041.79401.7893

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 103.913 H1 O3 C4 105.372
H1 O3 C5 130.481 O2 H1 O3 163.410
O3 C4 H7 112.488 O3 C4 H8 107.142
O3 C4 H9 111.554 O3 C5 H10 106.860
O3 C5 H11 111.981 O3 C5 H12 112.172
C4 O3 C5 115.256 H7 C4 H8 108.743
H7 C4 H9 108.188 H8 C4 H9 108.629
H10 C5 H11 109.051 H10 C5 H12 108.904
H11 C5 H12 107.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.387      
2 O -0.774      
3 O -0.420      
4 C -0.190      
5 C -0.178      
6 H 0.356      
7 H 0.126      
8 H 0.164      
9 H 0.125      
10 H 0.149      
11 H 0.128      
12 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.709 0.120 -1.094 2.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.084 0.462 -4.728
y 0.462 -24.355 0.573
z -4.728 0.573 -25.752
Traceless
 xyz
x -4.031 0.462 -4.728
y 0.462 3.063 0.573
z -4.728 0.573 0.968
Polar
3z2-r21.935
x2-y2-4.729
xy0.462
xz-4.728
yz0.573


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.767 0.194 -0.160
y 0.194 5.049 0.023
z -0.160 0.023 4.526


<r2> (average value of r2) Å2
<r2> 137.269
(<r2>)1/2 11.716