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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-231.276162
Energy at 298.15K-231.283884
Counterpoise corrected energy-231.276082
CP Energy at 298.15K-231.283865
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.203605
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 PBEPBEultrafine/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 3769 3727 70.08      
2 A 3499 3460 532.65      
3 A 3059 3025 13.20      
4 A 3058 3024 14.80      
5 A 2969 2936 0.10      
6 A 2962 2929 95.76      
7 A 2919 2886 70.10      
8 A 2911 2879 48.38      
9 A 1612 1594 40.25      
10 A 1458 1442 3.72      
11 A 1441 1425 13.05      
12 A 1435 1419 15.87      
13 A 1429 1413 0.35      
14 A 1427 1411 0.15      
15 A 1403 1388 0.27      
16 A 1224 1210 5.68      
17 A 1149 1136 4.56      
18 A 1142 1129 75.83      
19 A 1120 1107 0.07      
20 A 1079 1067 49.25      
21 A 908 898 52.46      
22 A 631 624 43.32      
23 A 402 397 7.07      
24 A 331 327 67.55      
25 A 238 235 12.44      
26 A 200 198 0.00      
27 A 153 152 2.68      
28 A 108 107 88.53      
29 A 39 39 5.97      
30 A 32 32 7.63      

Unscaled Zero Point Vibrational Energy (zpe) 22053.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 21806.9 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.31488 0.11004 0.08627

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.461 -0.020 -0.002
O2 -2.430 -0.025 0.155
O3 0.387 -0.008 -0.300
C4 1.125 -1.165 0.075
C5 1.050 1.196 0.073
H6 -2.817 -0.019 -0.733
H7 1.286 -1.201 1.167
H8 0.536 -2.038 -0.231
H9 2.106 -1.188 -0.431
H10 0.408 2.028 -0.236
H11 1.208 1.243 1.165
H12 2.028 1.279 -0.433

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98191.87162.82912.79101.54103.21042.84793.77752.78253.17503.7482
O20.98192.85363.73443.68920.96904.02733.60554.71933.52443.98314.6824
O31.87162.85361.42331.42383.23302.09402.03652.08942.03692.09422.0901
C42.82913.73441.42332.36224.18421.10451.09601.10423.28782.64502.6553
C52.79103.68921.42382.36224.13302.64473.28792.65541.09611.10461.1043
H61.54100.96903.23304.18424.13304.67403.94615.06883.85194.62585.0252
H73.21044.02732.09401.10452.64474.67401.79431.79663.62832.44493.0431
H82.84793.60552.03651.09603.28793.94611.79431.79584.06773.62833.6425
H93.77754.71932.08941.10422.65545.06881.79661.79583.64233.04422.4687
H102.78253.52442.03693.28781.09613.85193.62834.06773.64231.79431.7961
H113.17503.98312.09422.64501.10464.62582.44493.62833.04421.79431.7967
H123.74824.68242.09012.65531.10435.02523.04313.64252.46871.79611.7967

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 104.341 H1 O3 C4 117.677
H1 O3 C5 115.084 O2 H1 O3 179.888
O3 C4 H7 111.241 O3 C4 H8 107.155
O3 C4 H9 110.884 O3 C5 H10 107.151
O3 C5 H11 111.220 O3 C5 H12 110.897
C4 O3 C5 112.127 H7 C4 H8 109.253
H7 C4 H9 108.864 H8 C4 H9 109.407
H10 C5 H11 109.245 H10 C5 H12 109.426
H11 C5 H12 108.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.311      
2 O -0.403      
3 O -0.389      
4 C -0.550      
5 C -0.545      
6 H 0.130      
7 H 0.243      
8 H 0.248      
9 H 0.233      
10 H 0.248      
11 H 0.240      
12 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.828 0.057 -0.967 2.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.798 -0.145 4.802
y -0.145 -25.060 0.018
z 4.802 0.018 -26.858
Traceless
 xyz
x -3.839 -0.145 4.802
y -0.145 3.268 0.018
z 4.802 0.018 0.571
Polar
3z2-r21.143
x2-y2-4.738
xy-0.145
xz4.802
yz0.018


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.313 -0.020 0.094
y -0.020 7.361 0.001
z 0.094 0.001 6.187


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