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

using model chemistry: HF/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-59.135321
Energy at 298.15K-59.147125
Nuclear repulsion energy153.584399
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/CEP-31G*
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 3324 2985 97.38      
2 A 3316 2978 33.12      
3 A 3253 2921 207.06      
4 A 3232 2902 23.57      
5 A 3202 2875 130.46      
6 A 3176 2852 28.24      
7 A 1642 1474 1.03      
8 A 1635 1469 3.27      
9 A 1622 1456 8.41      
10 A 1609 1445 3.75      
11 A 1564 1404 61.63      
12 A 1498 1345 23.86      
13 A 1387 1246 37.82      
14 A 1295 1163 62.69      
15 A 1281 1150 4.29      
16 A 1224 1099 4.41      
17 A 1170 1051 56.53      
18 A 913 819 8.30      
19 A 568 510 8.99      
20 A 473 425 17.19      
21 A 279 250 3.12      
22 A 188 169 1.71      
23 A 60 54 5.69      
24 A 3323 2984 52.05      
25 A 3293 2957 96.49      
26 A 3250 2918 12.26      
27 A 3197 2871 75.17      
28 A 1643 1476 1.28      
29 A 1632 1465 1.58      
30 A 1626 1460 10.39      
31 A 1609 1445 3.42      
32 A 1557 1398 98.91      
33 A 1344 1207 279.78      
34 A 1283 1152 1.92      
35 A 1276 1146 230.74      
36 A 1188 1067 43.34      
37 A 1010 907 5.04      
38 A 495 444 1.57      
39 A 374 335 1.67      
40 A 245 220 0.01      
41 A 213 191 0.15      
42 A 31 28 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 33247.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 29856.3 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/CEP-31G*
ABC
0.20965 0.07583 0.06272

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.499 -0.466 1.113
O2 -0.499 -0.466 -1.113
C3 -0.499 0.337 2.264
C4 -0.499 0.337 -2.264
C5 0.134 0.093 0.000
C6 1.634 -0.236 0.000
H7 0.512 0.531 2.633
H8 0.512 0.531 -2.633
H9 -1.051 -0.203 3.028
H10 -1.051 -0.203 -3.028
H11 -0.995 1.296 2.078
H12 -0.995 1.296 -2.078
H13 -0.022 1.179 0.000
H14 1.755 -1.319 0.000
H15 2.125 0.177 -0.883
H16 2.125 0.177 0.883

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.22581.40313.47061.39692.41682.08044.00642.01024.18582.06893.67872.04252.65513.35892.7113
O22.22583.47061.40311.39692.41684.00642.08044.18582.01023.67872.06892.04252.65512.71133.3589
C31.40313.47064.52712.36303.16271.09415.00411.08675.34771.09484.47412.46183.59864.10032.9694
C43.47061.40314.52712.36303.16275.00411.09415.34771.08674.47411.09482.46183.59862.96944.1003
C51.39691.39692.36302.36301.53602.69632.69633.26503.26502.65332.65331.09702.15052.17992.1799
C62.41682.41683.16273.16271.53602.96352.96354.04694.04693.68483.68482.17801.08981.09151.0915
H72.08044.00641.09415.00412.69632.96355.26701.77125.91901.77885.00592.76413.45023.88492.4064
H84.00642.08045.00411.09412.69632.96355.26705.91901.77125.00591.77882.76413.45022.40643.8849
H92.01024.18581.08675.34773.26504.04691.77125.91906.05621.77545.32233.48434.27645.05233.8510
H104.18582.01025.34771.08673.26504.04695.91901.77126.05625.32231.77543.48434.27643.85105.0523
H112.06893.67871.09484.47412.65333.68481.77885.00591.77545.32234.15692.29814.32694.44483.5235
H123.67872.06894.47411.09482.65333.68485.00591.77885.32231.77544.15692.29814.32693.52354.4448
H132.04252.04252.46182.46181.09702.17802.76412.76413.48433.48432.29812.29813.06572.52812.5281
H142.65512.65513.59863.59862.15051.08983.45023.45024.27644.27644.32694.32693.06571.77611.7761
H153.35892.71134.10032.96942.17991.09153.88492.40645.05233.85104.44483.52352.52811.77611.7661
H162.71133.35892.96944.10032.17991.09152.40643.88493.85105.05233.52354.44482.52811.77611.7661

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 112.245 O1 C3 H9 106.993
O1 C3 H11 111.240 O1 C5 O2 105.632
O1 C5 C6 110.897 O1 C5 H13 109.388
O2 C4 H8 112.245 O2 C4 H10 106.993
O2 C4 H12 111.240 O2 C5 C6 110.897
O2 C5 H13 109.388 C3 O1 C5 115.116
C4 O2 C5 115.116 C5 C6 H14 108.778
C5 C6 H15 110.991 C5 C6 H16 110.991
C6 C5 H13 110.514 H7 C3 H9 108.617
H7 C3 H11 108.715 H8 C4 H10 108.617
H8 C4 H12 108.715 H9 C3 H11 108.942
H10 C4 H12 108.942 H14 C6 H15 109.023
H14 C6 H16 109.023 H15 C6 H16 107.994
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.309      
2 O -0.309      
3 C -0.228      
4 C -0.228      
5 C 0.162      
6 C -0.318      
7 H 0.111      
8 H 0.111      
9 H 0.182      
10 H 0.182      
11 H 0.117      
12 H 0.117      
13 H 0.071      
14 H 0.132      
15 H 0.105      
16 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.289 2.755 0.000 3.041
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.692 -1.827 0.000
y -1.827 -39.257 0.000
z 0.000 0.000 -31.743
Traceless
 xyz
x -3.191 -1.827 0.000
y -1.827 -4.040 0.000
z 0.000 0.000 7.231
Polar
3z2-r214.463
x2-y20.566
xy-1.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.581 -0.188 0.000
y -0.188 5.899 0.000
z 0.000 0.000 7.863


<r2> (average value of r2) Å2
<r2> 164.622
(<r2>)1/2 12.831