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

using model chemistry: HF/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 HF/6-31+G**
 hartrees
Energy at 0K-230.117886
Energy at 298.15K-230.125744
Counterpoise corrected energy-230.117009
CP Energy at 298.15K-230.124797
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.283210
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/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 4240 3834 157.41      
2 A 4080 3689 279.52      
3 A 3293 2978 30.59      
4 A 3292 2976 37.45      
5 A 3219 2910 132.19      
6 A 3218 2910 0.00      
7 A 3170 2866 72.44      
8 A 3157 2855 57.88      
9 A 1760 1591 90.56      
10 A 1642 1485 0.79      
11 A 1628 1472 2.65      
12 A 1627 1471 11.87      
13 A 1626 1470 10.94      
14 A 1615 1460 0.00      
15 A 1593 1441 6.95      
16 A 1394 1260 15.57      
17 A 1330 1202 163.83      
18 A 1303 1178 13.55      
19 A 1268 1146 0.01      
20 A 1218 1102 52.63      
21 A 1025 927 60.24      
22 A 610 551 123.19      
23 A 443 400 5.37      
24 A 306 277 103.28      
25 A 253 229 22.61      
26 A 199 180 0.00      
27 A 142 128 1.06      
28 A 121 109 144.62      
29 A 39 35 8.99      
30 A 38 34 9.06      

Unscaled Zero Point Vibrational Energy (zpe) 24422.8 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 22083.1 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 HF/6-31+G**
ABC
0.32395 0.10339 0.08191

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.578 -0.001 0.028
O2 2.521 -0.000 0.133
O3 -0.411 -0.000 -0.202
C4 -1.126 1.176 0.049
C5 -1.128 -1.175 0.049
H6 2.894 -0.001 -0.732
H7 -1.435 1.229 1.090
H8 -0.472 2.009 -0.169
H9 -2.007 1.237 -0.586
H10 -0.475 -2.009 -0.169
H11 -1.437 -1.228 1.090
H12 -2.009 -1.235 -0.586

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.94872.00282.94912.94981.51963.42392.87773.84262.87893.42453.8431
O20.94872.95163.83293.83410.94244.25213.61774.74923.61984.25324.7502
O32.00282.95161.39871.39873.34772.05692.00992.05562.00992.05692.0556
C42.94913.83291.39872.35034.26111.08761.08111.08793.25752.63792.6448
C52.94983.83411.39872.35034.26192.63793.25752.64481.08111.08761.0879
H61.51960.94243.34774.26114.26194.85583.96095.05753.96254.85655.0583
H73.42394.25212.05691.08762.63794.85581.76641.77123.60452.45733.0353
H82.87773.61772.00991.08113.25753.96091.76641.76774.01743.60453.6136
H93.84264.74922.05561.08792.64485.05751.77121.76773.61363.03532.4726
H102.87893.61982.00993.25751.08113.96253.60454.01743.61361.76641.7677
H113.42454.25322.05692.63791.08764.85652.45733.60453.03531.76641.7712
H123.84314.75022.05562.64481.08795.05833.03533.61362.47261.76771.7712

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 106.935 H1 O3 C4 119.159
H1 O3 C5 119.204 O2 H1 O3 179.785
O3 C4 H7 111.029 O3 C4 H8 107.607
O3 C4 H9 110.902 O3 C5 H10 107.608
O3 C5 H11 111.029 O3 C5 H12 110.902
C4 O3 C5 114.324 H7 C4 H8 109.075
H7 C4 H9 109.011 H8 C4 H9 109.173
H10 C5 H11 109.075 H10 C5 H12 109.172
H11 C5 H12 109.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.450      
2 O -0.793      
3 O -0.495      
4 C -0.120      
5 C -0.120      
6 H 0.355      
7 H 0.114      
8 H 0.139      
9 H 0.110      
10 H 0.139      
11 H 0.114      
12 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.155 -0.001 -1.342 3.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.517 -0.003 -5.895
y -0.003 -24.242 0.002
z -5.895 0.002 -26.196
Traceless
 xyz
x -4.298 -0.003 -5.895
y -0.003 3.614 0.002
z -5.895 0.002 0.684
Polar
3z2-r21.367
x2-y2-5.275
xy-0.003
xz-5.895
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.212 0.000 -0.097
y 0.000 5.251 0.000
z -0.097 0.000 4.619


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000