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All results from a given calculation for C4H10O2 (1,1-Dimethoxyethane)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-306.783525
Energy at 298.15K-306.794944
Nuclear repulsion energy261.056412
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 PBEPBE/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 3093 3065 11.76      
2 A 3068 3040 24.76      
3 A 2997 2969 12.86      
4 A 2955 2929 113.54      
5 A 2912 2886 52.76      
6 A 2814 2789 69.01      
7 A 1532 1518 3.38      
8 A 1519 1505 5.72      
9 A 1498 1484 17.45      
10 A 1457 1444 1.79      
11 A 1398 1385 27.61      
12 A 1350 1338 25.21      
13 A 1182 1171 3.35      
14 A 1128 1118 3.43      
15 A 1107 1097 27.23      
16 A 1074 1064 20.58      
17 A 985 977 32.18      
18 A 811 803 7.44      
19 A 496 492 7.21      
20 A 409 405 12.31      
21 A 232 230 2.98      
22 A 195 193 1.02      
23 A 78 77 5.62      
24 A 3068 3040 12.46      
25 A 3062 3034 33.30      
26 A 2954 2927 15.83      
27 A 2911 2884 57.39      
28 A 1532 1518 20.58      
29 A 1502 1488 0.00      
30 A 1499 1486 0.47      
31 A 1461 1447 0.88      
32 A 1328 1316 66.29      
33 A 1141 1131 19.76      
34 A 1124 1114 13.09      
35 A 1109 1099 182.57      
36 A 1010 1001 140.08      
37 A 864 856 7.53      
38 A 443 439 3.42      
39 A 317 315 1.79      
40 A 234 232 0.18      
41 A 215 213 0.00      
42 A 78 77 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 30071.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 29797.9 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 PBEPBE/3-21G
ABC
0.21695 0.07096 0.06011

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.454 -0.576 1.136
O2 -0.454 -0.576 -1.136
C3 -0.454 0.235 2.353
C4 -0.454 0.235 -2.353
C5 0.061 0.168 0.000
C6 1.595 0.179 0.000
H7 0.567 0.502 2.697
H8 0.567 0.502 -2.697
H9 -0.936 -0.387 3.123
H10 -0.936 -0.387 -3.123
H11 -1.034 1.174 2.227
H12 -1.034 1.174 -2.227
H13 -0.340 1.214 0.000
H14 1.938 -0.867 0.000
H15 1.986 0.694 -0.894
H16 1.986 0.694 0.894

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.27271.46283.58281.45292.46122.15434.11112.05274.29032.14273.83592.12322.66383.41892.7612
O22.27273.58281.46281.45292.46124.11112.15434.29032.05273.83592.14272.12322.66382.76123.4189
C31.46283.58284.70672.40993.12041.10955.15951.10075.53221.11104.71162.55113.53184.08772.8797
C43.58281.46284.70672.40993.12045.15951.10955.53221.10074.71161.11102.55113.53182.87974.0877
C51.45291.45292.40992.40991.53362.76442.76443.32463.32462.67792.67791.11952.14372.18662.1866
C62.46122.46123.12043.12041.53362.90452.90454.05914.05913.58623.58622.19401.10121.10341.1034
H72.15434.11111.10955.15952.76442.90455.39441.79746.07611.79875.22142.93313.32133.86642.3027
H84.11112.15435.15951.10952.76442.90455.39446.07611.79745.22141.79872.93313.32132.30273.8664
H92.05274.29031.10075.53223.32464.05911.79746.07616.24501.80235.57363.55914.27115.08353.8306
H104.29032.05275.53221.10073.32464.05916.07611.79746.24505.57361.80233.55914.27113.83065.0835
H112.14273.83591.11104.71162.67793.58621.79875.22141.80235.57364.45422.33314.23804.36983.3362
H123.83592.14274.71161.11102.67793.58625.22141.79875.57361.80234.45422.33314.23803.33624.3698
H132.12322.12322.55112.55111.11952.19402.93312.93313.55913.55912.33312.33313.08542.54592.5459
H142.66382.66383.53183.53182.14371.10123.32133.32134.27114.27114.23804.23803.08541.79951.7995
H153.41892.76124.08772.87972.18661.10343.86642.30275.08353.83064.36983.33622.54591.79951.7883
H162.76123.41892.87974.08772.18661.10342.30273.86643.83065.08353.33624.36982.54591.79951.7883

picture of 1,1-Dimethoxyethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 H7 113.041 O1 C3 H9 105.531
O1 C3 H11 111.985 O1 C5 O2 102.907
O1 C5 C6 110.967 O1 C5 H13 110.584
O2 C4 H8 113.041 O2 C4 H10 105.531
O2 C4 H12 111.985 O2 C5 C6 110.967
O2 C5 H13 110.584 C3 O1 C5 111.485
C4 O2 C5 111.485 C5 C6 H14 107.770
C5 C6 H15 110.980 C5 C6 H16 110.980
C6 C5 H13 110.606 H7 C3 H9 108.827
H7 C3 H11 108.200 H8 C4 H10 108.827
H8 C4 H12 108.200 H9 C3 H11 109.148
H10 C4 H12 109.148 H14 C6 H15 109.419
H14 C6 H16 109.419 H15 C6 H16 108.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.430      
2 O -0.430      
3 C -0.388      
4 C -0.388      
5 C 0.244      
6 C -0.625      
7 H 0.190      
8 H 0.190      
9 H 0.227      
10 H 0.227      
11 H 0.189      
12 H 0.189      
13 H 0.166      
14 H 0.235      
15 H 0.201      
16 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.864 2.498 0.000 2.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.565 -1.276 0.000
y -1.276 -39.827 0.000
z 0.000 0.000 -30.953
Traceless
 xyz
x -3.175 -1.276 0.000
y -1.276 -5.068 0.000
z 0.000 0.000 8.243
Polar
3z2-r216.486
x2-y21.262
xy-1.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.748 -0.038 0.000
y -0.038 6.242 0.000
z 0.000 0.000 9.581


<r2> (average value of r2) Å2
<r2> 205.882
(<r2>)1/2 14.349