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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-303.131076
Energy at 298.15K-303.142621
Nuclear repulsion energy263.575839
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/STO-3G
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 3768 3077 0.08      
2 A 3719 3036 1.99      
3 A 3686 3009 14.73      
4 A 3580 2923 0.25      
5 A 3533 2885 12.81      
6 A 3521 2875 6.30      
7 A 1827 1492 2.23      
8 A 1826 1491 0.23      
9 A 1809 1477 7.31      
10 A 1764 1441 0.90      
11 A 1720 1404 9.25      
12 A 1628 1329 47.18      
13 A 1465 1196 2.84      
14 A 1391 1136 5.61      
15 A 1312 1071 12.38      
16 A 1287 1051 18.06      
17 A 1225 1000 8.22      
18 A 993 811 0.43      
19 A 575 469 3.44      
20 A 469 383 11.25      
21 A 286 233 1.09      
22 A 202 165 1.05      
23 A 71 58 3.33      
24 A 3764 3073 0.35      
25 A 3718 3036 0.01      
26 A 3685 3009 1.04      
27 A 3521 2875 9.68      
28 A 1827 1492 5.72      
29 A 1819 1485 1.46      
30 A 1810 1478 0.00      
31 A 1762 1439 10.66      
32 A 1648 1345 145.08      
33 A 1427 1165 54.62      
34 A 1363 1113 0.00      
35 A 1311 1070 0.42      
36 A 1278 1043 0.06      
37 A 1094 893 0.24      
38 A 553 451 0.28      
39 A 377 308 0.75      
40 A 240 196 0.07      
41 A 175 143 0.00      
42 A 49 40 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 36537.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 29833.1 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/STO-3G
ABC
0.21026 0.07373 0.06157

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.474 -0.554 1.123
O2 -0.474 -0.554 -1.123
C3 -0.474 0.265 2.298
C4 -0.474 0.265 -2.298
C5 0.086 0.149 0.000
C6 1.642 0.090 0.000
H7 0.535 0.524 2.635
H8 0.535 0.524 -2.635
H9 -0.959 -0.310 3.088
H10 -0.959 -0.310 -3.088
H11 -1.034 1.194 2.152
H12 -1.034 1.194 -2.152
H13 -0.241 1.204 0.000
H14 1.967 -0.945 0.000
H15 2.041 0.584 -0.879
H16 2.041 0.584 0.879

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.24501.43253.51711.43762.47972.11284.03662.03944.24572.10433.75362.09872.71523.40922.7707
O22.24503.51711.43251.43762.47974.03662.11284.24572.03943.75362.10432.09872.71522.77073.4092
C31.43253.51714.59582.36803.12831.09415.04121.09145.43851.09484.57992.49333.56444.06402.9049
C43.51711.43254.59582.36803.12835.04121.09415.43851.09144.57991.09482.49333.56442.90494.0640
C51.43761.43762.36802.36801.55692.69882.69883.29243.29242.64142.64141.10502.17642.18712.1871
C62.47972.47973.12833.12831.55692.89062.89064.05734.05733.60693.60692.18771.08501.08451.0845
H72.11284.03661.09415.04122.69882.89065.26931.76995.97311.77315.08132.82953.33953.82322.3141
H84.03662.11285.04121.09412.69882.89065.26935.97311.76995.08131.77312.82953.33952.31413.8232
H92.03944.24571.09145.43853.29244.05731.76995.97316.17651.77355.45213.51374.30185.05353.8317
H104.24572.03945.43851.09143.29244.05735.97311.76996.17655.45211.77353.51374.30183.83175.0535
H112.10433.75361.09484.57992.64143.60691.77315.08131.77355.45214.30332.29334.26804.36023.3834
H123.75362.10434.57991.09482.64143.60695.08131.77315.45211.77354.30332.29334.26803.38344.3602
H132.09872.09872.49332.49331.10502.18772.82952.82953.51373.51372.29332.29333.08172.52242.5224
H142.71522.71523.56443.56442.17641.08503.33953.33954.30184.30184.26804.26803.08171.76561.7656
H153.40922.77074.06402.90492.18711.08453.82322.31415.05353.83174.36023.38342.52241.76561.7576
H162.77073.40922.90494.06402.18711.08452.31413.82323.83175.05353.38344.36022.52241.76561.7576

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 112.804 O1 C3 H9 107.035
O1 C3 H11 112.054 O1 C5 O2 102.676
O1 C5 C6 111.745 O1 C5 H13 110.587
O2 C4 H8 112.804 O2 C4 H10 107.035
O2 C4 H12 112.054 O2 C5 C6 111.745
O2 C5 H13 110.587 C3 O1 C5 111.188
C4 O2 C5 111.188 C5 C6 H14 109.641
C5 C6 H15 110.514 C5 C6 H16 110.514
C6 C5 H13 109.376 H7 C3 H9 108.159
H7 C3 H11 108.202 H8 C4 H10 108.159
H8 C4 H12 108.202 H9 C3 H11 108.436
H10 C4 H12 108.436 H14 C6 H15 108.939
H14 C6 H16 108.939 H15 C6 H16 108.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.242      
2 O -0.242      
3 C -0.066      
4 C -0.066      
5 C 0.197      
6 C -0.201      
7 H 0.057      
8 H 0.057      
9 H 0.074      
10 H 0.074      
11 H 0.057      
12 H 0.057      
13 H 0.044      
14 H 0.076      
15 H 0.064      
16 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.982 2.403 0.000 2.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.011 -1.304 0.000
y -1.304 -36.952 0.000
z 0.000 0.000 -31.715
Traceless
 xyz
x -1.677 -1.304 0.000
y -1.304 -3.090 0.000
z 0.000 0.000 4.767
Polar
3z2-r29.533
x2-y20.942
xy-1.304
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.439 0.016 0.000
y 0.016 3.244 0.000
z 0.000 0.000 5.420


<r2> (average value of r2) Å2
<r2> 200.937
(<r2>)1/2 14.175