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

using model chemistry: HF_cp_opt/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_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-230.197004
Energy at 298.15K-230.204750
Nuclear repulsion energy84.678006
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_cp_opt/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 3821 143.41      
2 A 4057 3692 251.51      
3 A 3256 2963 29.68      
4 A 3254 2961 37.16      
5 A 3181 2894 125.74      
6 A 3180 2894 0.01      
7 A 3141 2858 70.99      
8 A 3128 2847 51.02      
9 A 1764 1606 70.23      
10 A 1635 1488 1.46      
11 A 1623 1477 2.83      
12 A 1621 1475 12.29      
13 A 1619 1473 10.57      
14 A 1609 1464 0.02      
15 A 1588 1445 4.83      
16 A 1394 1268 13.94      
17 A 1326 1207 148.13      
18 A 1303 1186 11.05      
19 A 1267 1153 0.00      
20 A 1216 1107 58.79      
21 A 1025 932 55.73      
22 A 554 505 83.49      
23 A 442 402 5.70      
24 A 292 266 81.32      
25 A 251 228 18.46      
26 A 196 178 0.02      
27 A 121 110 1.33      
28 A 109 99 116.12      
29 A 39 35 6.27      
30 A 29 26 7.31      

Unscaled Zero Point Vibrational Energy (zpe) 24208.5 cm-1
Scaled (by 0.91) Zero Point Vibrational Energy (zpe) 22029.8 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_cp_opt/aug-cc-pVTZ
ABC
0.32734 0.10013 0.07985

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.627 -0.014 0.013
O2 2.566 -0.007 0.128
O3 -0.418 -0.004 -0.165
C4 -1.131 1.177 0.038
C5 -1.162 -1.165 0.040
H6 2.939 -0.021 -0.734
H7 -1.506 1.238 1.056
H8 -0.459 2.004 -0.137
H9 -1.970 1.251 -0.648
H10 -0.513 -2.009 -0.135
H11 -1.538 -1.215 1.058
H12 -2.003 -1.217 -0.646

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.94582.05323.00413.01761.50983.53162.90563.86962.92993.54333.8809
O20.94582.99853.88283.90450.94024.35793.64184.77063.68164.37774.7895
O32.05322.99851.39411.39413.40532.05382.00802.05292.00812.05372.0529
C43.00413.88281.39412.34214.31261.08661.07981.08673.25052.63202.6381
C53.01763.90451.39412.34214.32752.63163.25042.63841.07981.08661.0867
H61.50980.94023.40534.31264.32754.95494.00045.07194.02814.96825.0857
H73.53164.35792.05381.08662.63164.95491.76271.76673.59912.45333.0285
H82.90563.64182.00801.07983.25044.00041.76271.76404.01343.59913.6077
H93.86964.77062.05291.08672.63845.07191.76671.76403.60773.02952.4677
H102.92993.68162.00813.25051.07984.02813.59914.01343.60771.76281.7639
H113.54334.37772.05372.63201.08664.96822.45333.59913.02951.76281.7666
H123.88094.78952.05292.63811.08675.08573.02853.60772.46771.76391.7666

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 106.361 H1 O3 C4 120.033
H1 O3 C5 120.985 O2 H1 O3 177.848
O3 C4 H7 111.162 O3 C4 H8 107.849
O3 C4 H9 111.084 O3 C5 H10 107.853
O3 C5 H11 111.165 O3 C5 H12 111.087
C4 O3 C5 114.279 H7 C4 H8 108.917
H7 C4 H9 108.761 H8 C4 H9 109.018
H10 C5 H11 108.918 H10 C5 H12 109.009
H11 C5 H12 108.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.506      
4 C -0.764      
5 C -0.764      
6 H 0.000      
7 H 0.331      
8 H 0.356      
9 H 0.330      
10 H 0.356      
11 H 0.331      
12 H 0.330      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.878 -0.012 -1.250 3.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.626 0.029 -0.015
y 0.029 -17.360 -0.005
z -0.015 -0.005 -20.103
Traceless
 xyz
x 0.106 0.029 -0.015
y 0.029 2.005 -0.005
z -0.015 -0.005 -2.111
Polar
3z2-r2-4.221
x2-y2-1.266
xy0.029
xz-0.015
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.262 0.013 -0.013
y 0.013 5.209 -0.000
z -0.013 -0.000 4.216


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