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

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-59.148694
Energy at 298.15K-59.160464
Nuclear repulsion energy153.711216
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-121G*
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 3298 2979 67.66      
2 A 3285 2967 33.61      
3 A 3220 2909 174.14      
4 A 3194 2886 21.93      
5 A 3168 2862 115.11      
6 A 3139 2836 19.84      
7 A 1646 1487 1.88      
8 A 1637 1478 4.35      
9 A 1625 1468 6.94      
10 A 1612 1457 3.89      
11 A 1562 1411 61.56      
12 A 1503 1357 26.32      
13 A 1386 1252 39.16      
14 A 1293 1168 61.36      
15 A 1280 1156 13.44      
16 A 1223 1105 1.92      
17 A 1165 1052 58.08      
18 A 910 822 9.27      
19 A 570 515 8.64      
20 A 474 428 16.82      
21 A 278 252 3.03      
22 A 183 165 1.74      
23 A 54 48 5.29      
24 A 3297 2979 48.34      
25 A 3258 2943 78.98      
26 A 3217 2906 12.88      
27 A 3162 2857 62.27      
28 A 1647 1487 3.99      
29 A 1633 1475 0.01      
30 A 1628 1471 9.01      
31 A 1612 1457 2.05      
32 A 1552 1402 90.31      
33 A 1342 1212 230.54      
34 A 1285 1161 0.53      
35 A 1271 1148 274.55      
36 A 1188 1073 55.00      
37 A 1007 910 6.93      
38 A 492 444 1.12      
39 A 374 338 1.86      
40 A 245 222 0.05      
41 A 206 186 0.17      
42 A 16 14 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 33067.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 29873.2 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-121G*
ABC
0.20680 0.07626 0.06282

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.504 -0.447 1.113
O2 -0.504 -0.447 -1.113
C3 -0.504 0.370 2.254
C4 -0.504 0.370 -2.254
C5 0.155 0.080 0.000
C6 1.632 -0.320 0.000
H7 0.503 0.563 2.623
H8 0.503 0.563 -2.623
H9 -1.058 -0.158 3.021
H10 -1.058 -0.158 -3.021
H11 -0.994 1.324 2.058
H12 -0.994 1.324 -2.058
H13 0.052 1.170 0.000
H14 1.705 -1.402 0.000
H15 2.140 0.068 -0.879
H16 2.140 0.068 0.879

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.22571.40333.46481.39652.41192.07683.99872.00784.18092.06583.66462.03972.65153.35032.7039
O22.22573.46481.40331.39652.41193.99872.07684.18092.00783.66462.06582.03972.65152.70393.3503
C31.40333.46484.50872.36643.18121.08954.98391.08285.33071.09034.44392.45603.61944.11112.9957
C43.46481.40334.50872.36643.18124.98391.08955.33071.08284.44391.09032.45603.61942.99574.1111
C51.39651.39652.36642.36641.53042.68962.68963.26403.26402.66492.66491.09412.14482.17132.1713
C62.41192.41193.18123.18121.53042.98892.98894.04814.04813.71933.71932.17091.08481.08681.0868
H72.07683.99871.08954.98392.68962.98895.24591.76425.90001.77174.97322.72973.49073.89732.4427
H83.99872.07684.98391.08952.68962.98895.24595.90001.76424.97321.77172.72973.49072.44273.8973
H92.00784.18091.08285.33073.26404.04811.76425.90006.04241.76815.29143.48164.27855.04853.8554
H104.18092.00785.33071.08283.26404.04815.90001.76426.04245.29141.76813.48164.27853.85545.0485
H112.06583.66461.09034.44392.66493.71931.77174.97321.76815.29144.11642.31414.35314.47523.5764
H123.66462.06584.44391.09032.66493.71934.97321.77175.29141.76814.11642.31414.35313.57644.4752
H132.03972.03972.45602.45601.09412.17092.72972.72973.48163.48162.31412.31413.05672.51882.5188
H142.65152.65153.61943.61942.14481.08483.49073.49074.27854.27854.35314.35313.05671.76731.7673
H153.35032.70394.11112.99572.17131.08683.89732.44275.04853.85544.47523.57642.51881.76731.7581
H162.70393.35032.99574.11112.17131.08682.44273.89733.85545.04853.57644.47522.51881.76731.7581

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 112.230 O1 C3 H9 107.020
O1 C3 H11 111.257 O1 C5 O2 105.671
O1 C5 C6 110.900 O1 C5 H13 109.365
O2 C4 H8 112.230 O2 C4 H10 107.020
O2 C4 H12 111.257 O2 C5 C6 110.900
O2 C5 H13 109.365 C3 O1 C5 115.386
C4 O2 C5 115.386 C5 C6 H14 109.000
C5 C6 H15 110.980 C5 C6 H16 110.980
C6 C5 H13 110.516 H7 C3 H9 108.607
H7 C3 H11 108.737 H8 C4 H10 108.607
H8 C4 H12 108.737 H9 C3 H11 108.899
H10 C4 H12 108.899 H14 C6 H15 108.939
H14 C6 H16 108.939 H15 C6 H16 107.956
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.389      
2 O -0.389      
3 C -0.279      
4 C -0.279      
5 C 0.377      
6 C -0.552      
7 H 0.137      
8 H 0.137      
9 H 0.184      
10 H 0.184      
11 H 0.146      
12 H 0.146      
13 H 0.097      
14 H 0.177      
15 H 0.152      
16 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.228 2.560 0.000 2.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.946 -1.800 0.000
y -1.800 -39.589 0.000
z 0.000 0.000 -32.056
Traceless
 xyz
x -3.124 -1.800 0.000
y -1.800 -4.088 0.000
z 0.000 0.000 7.212
Polar
3z2-r214.423
x2-y20.642
xy-1.800
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.223 -0.186 0.000
y -0.186 6.792 0.000
z 0.000 0.000 8.596


<r2> (average value of r2) Å2
<r2> 164.647
(<r2>)1/2 12.831