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All results from a given calculation for C4H8O2 (Ethene, 1,1-dimethoxy-)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-306.072150
Energy at 298.15K-306.081517
Nuclear repulsion energy250.585427
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 LSDA/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3151 3115 2.58      
2 A1 3099 3064 7.65      
3 A1 2938 2904 6.45      
4 A1 1685 1666 255.92      
5 A1 1414 1398 3.17      
6 A1 1384 1368 20.81      
7 A1 1327 1312 0.73      
8 A1 1211 1198 0.15      
9 A1 1151 1138 4.18      
10 A1 897 887 33.56      
11 A1 511 505 0.23      
12 A1 274 271 4.88      
13 A2 3008 2974 0.00      
14 A2 1388 1372 0.00      
15 A2 1119 1106 0.00      
16 A2 647 640 0.00      
17 A2 233 231 0.00      
18 A2 160 158 0.00      
19 B1 3009 2975 46.12      
20 B1 1387 1371 28.57      
21 B1 1124 1111 0.44      
22 B1 689 681 50.80      
23 B1 656 649 29.73      
24 B1 259 256 0.00      
25 B1 117 116 7.27      
26 B2 3246 3210 0.29      
27 B2 3099 3064 8.16      
28 B2 2938 2904 68.99      
29 B2 1427 1411 289.42      
30 B2 1404 1389 33.10      
31 B2 1327 1312 214.09      
32 B2 1151 1138 10.57      
33 B2 1081 1069 57.99      
34 B2 911 901 1.26      
35 B2 543 537 0.71      
36 B2 392 387 7.18      

Unscaled Zero Point Vibrational Energy (zpe) 25177.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 24892.6 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 LSDA/aug-cc-pVDZ
ABC
0.30590 0.07869 0.06416

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.399
C2 0.000 0.000 0.051
H3 0.000 0.937 1.963
H4 0.000 -0.937 1.963
O5 0.000 1.076 -0.745
O6 0.000 -1.076 -0.745
C7 0.000 2.319 -0.093
C8 0.000 -2.319 -0.093
H9 0.000 3.086 -0.885
H10 0.000 -3.086 -0.885
H11 -0.904 2.434 0.543
H12 0.904 2.434 0.543
H13 0.904 -2.434 0.543
H14 -0.904 -2.434 0.543

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34831.09321.09322.39922.39922.75732.75733.83933.83932.73382.73382.73382.7338
C21.34832.12882.12881.33851.33852.32322.32323.22473.22472.64232.64232.64232.6423
H31.09322.12881.87392.71113.37392.47663.85023.56734.92862.25242.25243.76753.7675
H41.09322.12881.87393.37392.71113.85022.47664.92863.56733.76753.76752.25242.2524
O52.39921.33852.71113.37392.15221.40343.45692.01464.16442.07822.07823.84633.8463
O62.39921.33853.37392.71112.15223.45691.40344.16442.01463.84633.84632.07822.0782
C72.75732.32322.47663.85021.40343.45694.63751.10275.46241.11131.11134.87914.8791
C82.75732.32323.85022.47663.45691.40344.63755.46241.10274.87914.87911.11131.1113
H93.83933.22473.56734.92862.01464.16441.10275.46246.17181.81151.81155.77245.7724
H103.83933.22474.92863.56734.16442.01465.46241.10276.17185.77245.77241.81151.8115
H112.73382.64232.25243.76752.07823.84631.11134.87911.81155.77241.80885.19234.8671
H122.73382.64232.25243.76752.07823.84631.11134.87911.81155.77241.80884.86715.1923
H132.73382.64233.76752.25243.84632.07824.87911.11135.77241.81155.19234.86711.8088
H142.73382.64233.76752.25243.84632.07824.87911.11135.77241.81154.86715.19231.8088

picture of Ethene, 1,1-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O5 126.491 C1 C2 O6 126.491
C2 C1 H3 121.010 C2 C1 H4 121.010
C2 O5 C7 115.812 C2 O6 C8 115.812
H3 C1 H4 117.981 O5 C2 O6 107.018
O5 C7 H9 106.388 O5 C7 H11 110.933
O5 C7 H12 110.933 O6 C8 H10 106.388
O6 C8 H13 110.933 O6 C8 H14 110.933
H9 C7 H11 109.809 H9 C7 H12 109.809
H10 C8 H13 109.809 H10 C8 H14 109.809
H11 C7 H12 108.942 H13 C8 H14 108.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.006      
2 C 0.851      
3 H -0.694      
4 H -0.694      
5 O -0.400      
6 O -0.400      
7 C 0.800      
8 C 0.800      
9 H -0.472      
10 H -0.472      
11 H -0.082      
12 H -0.082      
13 H -0.082      
14 H -0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.986 0.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.340 0.000 0.000
y 0.000 -27.869 0.000
z 0.000 0.000 -40.137
Traceless
 xyz
x -5.337 0.000 0.000
y 0.000 11.869 0.000
z 0.000 0.000 -6.532
Polar
3z2-r2-13.064
x2-y2-11.471
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.732 0.000 0.000
y 0.000 11.739 0.000
z 0.000 0.000 9.730


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000