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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-308.803519
Energy at 298.15K-308.815054
Nuclear repulsion energy267.046097
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 mPW1PW91/6-31+G**
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 3176 3023 16.44      
2 A 3170 3017 19.42      
3 A 3079 2931 61.94      
4 A 3074 2926 48.83      
5 A 3016 2871 68.32      
6 A 2937 2796 65.84      
7 A 1518 1445 6.84      
8 A 1513 1440 2.87      
9 A 1492 1420 18.90      
10 A 1480 1409 5.05      
11 A 1419 1351 64.13      
12 A 1379 1312 6.20      
13 A 1273 1212 24.36      
14 A 1196 1138 38.98      
15 A 1183 1126 0.07      
16 A 1137 1082 7.70      
17 A 1092 1039 52.29      
18 A 856 815 6.93      
19 A 538 513 7.74      
20 A 449 428 11.69      
21 A 253 241 3.02      
22 A 180 171 1.99      
23 A 59 56 4.98      
24 A 3170 3017 21.63      
25 A 3156 3004 29.42      
26 A 3074 2926 14.19      
27 A 3014 2869 71.79      
28 A 1518 1445 9.24      
29 A 1501 1429 1.27      
30 A 1492 1420 6.51      
31 A 1482 1410 1.27      
32 A 1399 1332 61.67      
33 A 1225 1166 222.76      
34 A 1183 1126 107.42      
35 A 1180 1123 110.69      
36 A 1099 1046 14.45      
37 A 929 884 6.91      
38 A 467 445 1.84      
39 A 349 332 1.16      
40 A 239 228 0.01      
41 A 203 193 0.05      
42 A 35 34 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 31093.0 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 29594.3 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 mPW1PW91/6-31+G**
ABC
0.22021 0.07498 0.06264

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.468 -0.505 1.107
O2 -0.468 -0.505 -1.107
C3 -0.468 0.257 2.289
C4 -0.468 0.257 -2.289
C5 0.094 0.143 0.000
C6 1.611 0.038 0.000
H7 0.546 0.461 2.658
H8 0.546 0.461 -2.658
H9 -0.997 -0.329 3.040
H10 -0.997 -0.329 -3.040
H11 -0.992 1.213 2.150
H12 -0.992 1.213 -2.150
H13 -0.222 1.205 0.000
H14 1.893 -1.017 0.000
H15 2.039 0.521 -0.882
H16 2.039 0.521 0.882

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.21471.40593.48051.40062.41692.08984.01762.01164.18472.07733.71992.05212.65693.36082.7183
O22.21473.48051.40591.40062.41694.01762.08984.18472.01163.71992.07732.05212.65692.71833.3608
C31.40593.48054.57732.35923.09941.09815.05371.09035.38691.09944.57042.48933.52604.05052.8869
C43.48051.40594.57732.35923.09945.05371.09815.38691.09034.57041.09942.48933.52602.88694.0505
C51.40061.40062.35922.35921.52092.71512.71513.26413.26412.63542.63541.10802.14072.16942.1694
C62.41692.41693.09943.09941.52092.89482.89484.02234.02233.57473.57472.17351.09191.09301.0930
H72.08984.01761.09815.05372.71512.89485.31631.77565.95611.78575.10362.86523.32663.84252.3215
H84.01762.08985.05371.09812.71512.89485.31635.95611.77565.10361.78572.86523.32662.32153.8425
H92.01164.18471.09035.38693.26414.02231.77565.95616.07991.78115.41413.49224.25045.03233.8212
H104.18472.01165.38691.09033.26414.02235.95611.77566.07995.41411.78113.49224.25043.82125.0323
H112.07733.71991.09944.57042.63543.57471.78575.10361.78115.41414.29952.28334.23294.34263.3579
H123.71992.07734.57041.09942.63543.57475.10361.78575.41411.78114.29952.28334.23293.35794.3426
H132.05212.05212.48932.48931.10802.17352.86522.86523.49223.49222.28332.28333.06792.52232.5223
H142.65692.65693.52603.52602.14071.09193.32663.32664.25044.25044.23294.23293.06791.77911.7791
H153.36082.71834.05052.88692.16941.09303.84252.32155.03233.82124.34263.35792.52231.77911.7636
H162.71833.36082.88694.05052.16941.09302.32153.84253.82125.03233.35794.34262.52231.77911.7636

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 112.564 O1 C3 H9 106.702
O1 C3 H11 111.442 O1 C5 O2 104.488
O1 C5 C6 111.578 O1 C5 H13 109.223
O2 C4 H8 112.564 O2 C4 H10 106.702
O2 C4 H12 111.442 O2 C5 C6 111.578
O2 C5 H13 109.223 C3 O1 C5 114.412
C4 O2 C5 114.412 C5 C6 H14 108.922
C5 C6 H15 111.128 C5 C6 H16 111.128
C6 C5 H13 110.558 H7 C3 H9 108.461
H7 C3 H11 108.702 H8 C4 H10 108.461
H8 C4 H12 108.702 H9 C3 H11 108.858
H10 C4 H12 108.858 H14 C6 H15 109.026
H14 C6 H16 109.026 H15 C6 H16 107.563
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.304      
2 O -0.304      
3 C -0.258      
4 C -0.258      
5 C 0.088      
6 C -0.494      
7 H 0.141      
8 H 0.141      
9 H 0.169      
10 H 0.169      
11 H 0.143      
12 H 0.143      
13 H 0.102      
14 H 0.199      
15 H 0.162      
16 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.047 2.457 0.000 2.671
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.807 -1.520 0.000
y -1.520 -40.290 0.000
z 0.000 0.000 -32.093
Traceless
 xyz
x -2.615 -1.520 0.000
y -1.520 -4.839 0.000
z 0.000 0.000 7.455
Polar
3z2-r214.910
x2-y21.483
xy-1.520
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 198.911
(<r2>)1/2 14.104