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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-307.170146
Energy at 298.15K-307.181648
Nuclear repulsion energy261.915257
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 B3LYP/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 3154 3043 14.11      
2 A 3137 3027 26.94      
3 A 3069 2961 14.47      
4 A 3040 2933 105.57      
5 A 2999 2893 52.37      
6 A 2920 2818 60.64      
7 A 1580 1524 2.44      
8 A 1566 1511 5.15      
9 A 1550 1496 15.18      
10 A 1509 1456 1.25      
11 A 1454 1403 22.20      
12 A 1404 1355 30.91      
13 A 1224 1181 5.20      
14 A 1165 1125 5.12      
15 A 1144 1103 26.31      
16 A 1106 1067 22.14      
17 A 1008 973 35.70      
18 A 832 803 9.10      
19 A 511 493 8.13      
20 A 419 404 13.40      
21 A 237 228 3.49      
22 A 186 179 1.12      
23 A 74 71 6.55      
24 A 3137 3027 16.37      
25 A 3126 3016 33.38      
26 A 3039 2932 16.05      
27 A 2997 2892 46.06      
28 A 1580 1524 17.67      
29 A 1554 1499 0.00      
30 A 1551 1497 0.32      
31 A 1513 1459 0.26      
32 A 1390 1341 74.05      
33 A 1183 1142 44.78      
34 A 1163 1122 24.75      
35 A 1153 1113 154.12      
36 A 1045 1008 155.16      
37 A 887 856 5.36      
38 A 452 436 2.85      
39 A 325 314 1.97      
40 A 241 233 0.20      
41 A 204 196 0.01      
42 A 74 71 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 30948.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 29862.6 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 B3LYP/3-21G
ABC
0.21660 0.07119 0.06011

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.466 -0.538 1.134
O2 -0.466 -0.538 -1.134
C3 -0.466 0.258 2.353
C4 -0.466 0.258 -2.353
C5 0.086 0.162 0.000
C6 1.614 0.080 0.000
H7 0.548 0.477 2.718
H8 0.548 0.477 -2.718
H9 -0.988 -0.344 3.099
H10 -0.988 -0.344 -3.099
H11 -1.000 1.211 2.218
H12 -1.000 1.211 -2.218
H13 -0.246 1.218 0.000
H14 1.894 -0.976 0.000
H15 2.032 0.566 -0.887
H16 2.032 0.566 0.887

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.26811.45553.57631.44252.44842.13664.11022.04214.26922.12593.81872.10182.65453.39772.7421
O22.26813.57631.45551.44252.44844.11022.13664.26922.04213.81872.12592.10182.65452.74213.3977
C31.45553.57634.70512.41833.14521.09905.17531.09155.50911.10054.69972.55033.55324.10262.9123
C43.57631.45554.70512.41833.14525.17531.09905.50911.09154.69971.10052.55033.55322.91234.1026
C51.44251.44252.41832.41831.53032.77462.77463.31833.31832.68352.68351.10682.13622.17662.1766
C62.44842.44843.14523.14521.53032.94662.94664.06864.06863.61043.61042.18081.09241.09441.0944
H72.13664.11021.09905.17532.77462.94665.43571.78226.07141.78415.22502.92673.36313.90002.3587
H84.11022.13665.17531.09902.77462.94665.43576.07141.78225.22501.78412.92673.36312.35873.9000
H92.04214.26921.09155.50913.31834.06861.78226.07146.19721.78615.53953.54824.27885.08303.8522
H104.26922.04215.50911.09153.31834.06866.07141.78226.19725.53951.78613.54824.27883.85225.0830
H112.12593.81871.10054.69972.68353.61041.78415.22501.78615.53954.43682.34314.25194.38843.3740
H123.81872.12594.69971.10052.68353.61045.22501.78415.53951.78614.43682.34314.25193.37404.3884
H132.10182.10182.55032.55031.10682.18082.92672.92673.54823.54822.34312.34313.06482.53072.5307
H142.65452.65453.55323.55322.13621.09243.36313.36314.27884.27884.25194.25193.06481.78401.7840
H153.39772.74214.10262.91232.17661.09443.90002.35875.08303.85224.38843.37402.53071.78401.7746
H162.74213.39772.91234.10262.17661.09442.35873.90003.85225.08303.37404.38842.53071.78401.7746

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 112.782 O1 C3 H9 105.708
O1 C3 H11 111.799 O1 C5 O2 103.656
O1 C5 C6 110.857 O1 C5 H13 110.371
O2 C4 H8 112.782 O2 C4 H10 105.708
O2 C4 H12 111.799 O2 C5 C6 110.857
O2 C5 H13 110.371 C3 O1 C5 113.120
C4 O2 C5 113.120 C5 C6 H14 107.906
C5 C6 H15 110.954 C5 C6 H16 110.954
C6 C5 H13 110.544 H7 C3 H9 108.894
H7 C3 H11 108.415 H8 C4 H10 108.894
H8 C4 H12 108.415 H9 C3 H11 109.141
H10 C4 H12 109.141 H14 C6 H15 109.330
H14 C6 H16 109.330 H15 C6 H16 108.343
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.482     -0.415
2 O -0.482     -0.415
3 C -0.325     -0.060
4 C -0.325     -0.060
5 C 0.316     0.596
6 C -0.586     -0.503
7 H 0.178     0.061
8 H 0.178     0.061
9 H 0.213     0.116
10 H 0.213     0.116
11 H 0.176     0.053
12 H 0.176     0.053
13 H 0.153     -0.006
14 H 0.222     0.162
15 H 0.186     0.120
16 H 0.186     0.120


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.985 2.640 0.000 2.818
CHELPG        
AIM        
ESP 1.006 2.641 0.000 2.826


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.556 -1.441 0.000
y -1.441 -39.702 0.000
z 0.000 0.000 -30.713
Traceless
 xyz
x -3.348 -1.441 0.000
y -1.441 -5.068 0.000
z 0.000 0.000 8.416
Polar
3z2-r216.832
x2-y21.147
xy-1.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.494 -0.068 0.000
y -0.068 6.044 0.000
z 0.000 0.000 9.111


<r2> (average value of r2) Å2
<r2> 205.611
(<r2>)1/2 14.339