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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-305.285991
Energy at 298.15K-305.297723
Nuclear repulsion energy264.090190
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/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 3302 2991 48.78      
2 A 3301 2989 3.52      
3 A 3228 2923 111.13      
4 A 3218 2914 11.91      
5 A 3182 2882 53.33      
6 A 3137 2841 45.52      
7 A 1696 1536 1.04      
8 A 1681 1522 11.74      
9 A 1663 1506 7.39      
10 A 1633 1479 0.51      
11 A 1570 1422 23.68      
12 A 1527 1383 45.69      
13 A 1343 1216 17.06      
14 A 1271 1151 10.39      
15 A 1240 1123 47.91      
16 A 1216 1101 5.41      
17 A 1098 994 52.84      
18 A 889 805 12.19      
19 A 548 496 10.83      
20 A 448 406 19.14      
21 A 252 229 5.33      
22 A 182 165 1.89      
23 A 63 57 9.14      
24 A 3302 2990 20.76      
25 A 3275 2966 39.98      
26 A 3225 2921 14.23      
27 A 3180 2880 33.28      
28 A 1696 1536 11.28      
29 A 1678 1520 0.03      
30 A 1663 1506 1.51      
31 A 1639 1485 0.85      
32 A 1547 1401 95.57      
33 A 1312 1188 242.37      
34 A 1271 1151 59.78      
35 A 1268 1148 31.26      
36 A 1160 1051 135.13      
37 A 977 885 1.20      
38 A 474 429 2.04      
39 A 352 318 2.48      
40 A 246 223 0.18      
41 A 200 181 0.08      
42 A 55 49 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 33103.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 29978.1 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/3-21G
ABC
0.21519 0.07231 0.06050

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.483 -0.458 1.129
O2 -0.483 -0.458 -1.129
C3 -0.483 0.317 2.336
C4 -0.483 0.317 -2.336
C5 0.134 0.139 0.000
C6 1.632 -0.144 0.000
H7 0.517 0.459 2.730
H8 0.517 0.459 -2.730
H9 -1.068 -0.239 3.052
H10 -1.068 -0.239 -3.052
H11 -0.939 1.290 2.181
H12 -0.939 1.290 -2.181
H13 -0.051 1.212 0.000
H14 1.769 -1.217 0.000
H15 2.105 0.276 -0.878
H16 2.105 0.276 0.878

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.25721.43523.55071.41812.41772.09904.09022.02274.22752.09053.77032.06142.63123.35642.7018
O22.25723.55071.43521.41812.41774.09022.09904.22752.02273.77032.09052.06142.63122.70183.3564
C31.43523.55074.67292.42323.18511.08425.16601.07845.44891.08564.64322.53903.58964.12742.9708
C43.55071.43524.67292.42323.18515.16601.08425.44891.07844.64321.08562.53903.58962.97084.1274
C51.41811.41812.42322.42321.52432.77512.77513.30213.30212.68922.68921.08892.12402.16222.1622
C62.41772.41773.18513.18511.52433.00973.00974.07604.07603.66353.66352.16131.08091.08261.0826
H72.09904.09021.08425.16602.77513.00975.45961.76136.03601.76405.18882.88813.43923.94642.4459
H84.09022.09905.16601.08422.77513.00975.45966.03601.76135.18881.76402.88813.43922.44593.9464
H92.02274.22751.07845.44893.30214.07601.76136.03606.10501.76425.45333.52914.28075.07763.8803
H104.22752.02275.44891.07843.30214.07606.03601.76136.10505.45331.76423.52914.28073.88035.0776
H112.09053.77031.08564.64322.68923.66351.76405.18881.76425.45334.36152.35594.28644.43303.4625
H123.77032.09054.64321.08562.68923.66355.18881.76405.45331.76424.36152.35594.28643.46254.4330
H132.06142.06142.53902.53901.08892.16132.88812.88813.52913.52912.35592.35593.03492.50902.5090
H142.63122.63123.58963.58962.12401.08093.43923.43924.28074.28074.28644.28643.03491.76401.7640
H153.35642.70184.12742.97082.16221.08263.94642.44595.07763.88034.43303.46252.50901.76401.7568
H162.70183.35642.97084.12742.16221.08262.44593.94643.88035.07763.46254.43302.50901.76401.7568

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 112.096 O1 C3 H9 106.299
O1 C3 H11 111.303 O1 C5 O2 105.475
O1 C5 C6 110.456 O1 C5 H13 109.929
O2 C4 H8 112.096 O2 C4 H10 106.299
O2 C4 H12 111.303 O2 C5 C6 110.456
O2 C5 H13 109.929 C3 O1 C5 116.261
C4 O2 C5 116.261 C5 C6 H14 108.019
C5 C6 H15 110.933 C5 C6 H16 110.933
C6 C5 H13 110.484 H7 C3 H9 109.073
H7 C3 H11 108.776 H8 C4 H10 109.073
H8 C4 H12 108.776 H9 C3 H11 109.221
H10 C4 H12 109.221 H14 C6 H15 109.235
H14 C6 H16 109.235 H15 C6 H16 108.458
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.656 -0.516   -0.551
2 O -0.656 -0.516   -0.551
3 C -0.265 0.147   0.060
4 C -0.265 0.147   0.060
5 C 0.489 0.791   0.800
6 C -0.630 -0.441   -0.636
7 H 0.182 0.002   0.039
8 H 0.182 0.002   0.039
9 H 0.227 0.061   0.098
10 H 0.227 0.061   0.098
11 H 0.182 0.004   0.036
12 H 0.182 0.004   0.036
13 H 0.164 -0.062   -0.022
14 H 0.244 0.130   0.198
15 H 0.197 0.092   0.147
16 H 0.197 0.092   0.147


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.334 3.082 0.000 3.358
CHELPG 1.160 2.481 0.000 2.739
AIM        
ESP 1.342 3.087 0.000 3.366


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.154 -1.863 0.000
y -1.863 -39.845 0.000
z 0.000 0.000 -30.200
Traceless
 xyz
x -4.131 -1.863 0.000
y -1.863 -5.169 0.000
z 0.000 0.000 9.300
Polar
3z2-r218.600
x2-y20.692
xy-1.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.119 -0.132 0.000
y -0.132 5.752 0.000
z 0.000 0.000 8.175


<r2> (average value of r2) Å2
<r2> 204.180
(<r2>)1/2 14.289