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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-308.745488
Energy at 298.15K-308.757038
Nuclear repulsion energy266.715839
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 B3PW91/6-31G*
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 3164 3027 17.83      
2 A 3153 3016 29.33      
3 A 3070 2937 22.30      
4 A 3053 2921 103.18      
5 A 3002 2872 61.85      
6 A 2918 2792 68.03      
7 A 1537 1471 3.13      
8 A 1530 1464 2.33      
9 A 1509 1443 12.98      
10 A 1497 1432 3.07      
11 A 1432 1370 55.91      
12 A 1392 1332 12.24      
13 A 1274 1218 22.74      
14 A 1198 1146 32.57      
15 A 1188 1136 4.95      
16 A 1144 1094 8.85      
17 A 1089 1041 52.79      
18 A 857 820 6.64      
19 A 538 515 6.83      
20 A 448 428 11.34      
21 A 254 243 2.66      
22 A 182 174 1.72      
23 A 61 59 4.23      
24 A 3153 3016 22.51      
25 A 3142 3006 35.10      
26 A 3052 2920 16.64      
27 A 3000 2870 66.29      
28 A 1538 1471 9.84      
29 A 1518 1452 0.30      
30 A 1511 1445 4.99      
31 A 1498 1433 0.21      
32 A 1409 1348 72.35      
33 A 1226 1173 173.91      
34 A 1190 1138 22.54      
35 A 1182 1131 236.95      
36 A 1103 1056 18.34      
37 A 930 889 7.41      
38 A 468 448 2.17      
39 A 347 332 1.17      
40 A 242 232 0.05      
41 A 206 197 0.03      
42 A 47 45 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31123.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 29775.6 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 B3PW91/6-31G*
ABC
0.21874 0.07496 0.06258

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.470 -0.503 1.108
O2 -0.470 -0.503 -1.108
C3 -0.470 0.263 2.287
C4 -0.470 0.263 -2.287
C5 0.097 0.144 0.000
C6 1.616 0.020 0.000
H7 0.544 0.464 2.665
H8 0.544 0.464 -2.665
H9 -1.009 -0.319 3.039
H10 -1.009 -0.319 -3.039
H11 -0.986 1.227 2.147
H12 -0.986 1.227 -2.147
H13 -0.204 1.212 0.000
H14 1.885 -1.041 0.000
H15 2.054 0.497 -0.884
H16 2.054 0.497 0.884

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.21621.40583.48041.40282.41982.09514.02542.01304.18592.08273.72232.05902.65773.36702.7238
O22.21623.48041.40581.40282.41984.02542.09514.18592.01303.72232.08272.05902.65772.72383.3670
C31.40583.48044.57402.35943.10551.10105.05931.09295.38461.10224.56712.49043.53214.05942.8970
C43.48041.40584.57402.35943.10555.05931.10105.38461.09294.56711.10222.49043.53212.89704.0594
C51.40281.40282.35942.35941.52422.72162.72163.26703.26702.63782.63781.10992.14422.17552.1755
C62.41982.41983.10553.10551.52422.90742.90744.03044.03043.58353.58352.17581.09401.09541.0954
H72.09514.02541.10105.05932.72162.90745.33101.77925.96371.78625.10732.86753.34193.85722.3354
H84.02542.09515.05931.10102.72162.90745.33105.96371.77925.10731.78622.86753.34192.33543.8572
H92.01304.18591.09295.38463.26704.03041.77925.96376.07771.78465.41163.49674.25815.04333.8328
H104.18592.01305.38461.09293.26704.03045.96371.77926.07775.41161.78463.49674.25813.83285.0433
H112.08273.72231.10224.56712.63783.58351.78625.10731.78465.41164.29462.28544.24204.35443.3717
H123.72232.08274.56711.10222.63783.58355.10731.78625.41161.78464.29462.28544.24203.37174.3544
H132.05902.05902.49042.49041.10992.17582.86752.86753.49673.49672.28542.28543.07192.52742.5274
H142.65772.65773.53213.53212.14421.09403.34193.34194.25814.25814.24204.24203.07191.78151.7815
H153.36702.72384.05942.89702.17551.09543.85722.33545.04333.83284.35443.37172.52741.78151.7678
H162.72383.36702.89704.05942.17551.09542.33543.85723.83285.04333.37174.35442.52741.78151.7678

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 112.828 O1 C3 H9 106.676
O1 C3 H11 111.722 O1 C5 O2 104.354
O1 C5 C6 111.458 O1 C5 H13 109.501
O2 C4 H8 112.828 O2 C4 H10 106.676
O2 C4 H12 111.722 O2 C5 C6 111.458
O2 C5 H13 109.501 C3 O1 C5 114.294
C4 O2 C5 114.294 C5 C6 H14 108.856
C5 C6 H15 111.243 C5 C6 H16 111.243
C6 C5 H13 110.395 H7 C3 H9 108.380
H7 C3 H11 108.337 H8 C4 H10 108.380
H8 C4 H12 108.337 H9 C3 H11 108.777
H10 C4 H12 108.777 H14 C6 H15 108.924
H14 C6 H16 108.924 H15 C6 H16 107.597
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.454     -0.377
2 O -0.454     -0.377
3 C -0.264     -0.061
4 C -0.264     -0.061
5 C 0.357     0.571
6 C -0.539     -0.543
7 H 0.152     0.053
8 H 0.152     0.053
9 H 0.187     0.112
10 H 0.187     0.112
11 H 0.152     0.044
12 H 0.152     0.044
13 H 0.111     -0.001
14 H 0.194     0.170
15 H 0.166     0.131
16 H 0.166     0.131


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.914 2.186 0.000 2.370
CHELPG        
AIM        
ESP 0.924 2.194 0.000 2.381


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.174 -1.259 0.000
y -1.259 -39.189 0.000
z 0.000 0.000 -31.614
Traceless
 xyz
x -2.772 -1.259 0.000
y -1.259 -4.295 0.000
z 0.000 0.000 7.067
Polar
3z2-r214.134
x2-y21.015
xy-1.259
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> 198.783
(<r2>)1/2 14.099