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

using model chemistry: LSDA/6-31G

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/6-31G
 hartrees
Energy at 0K-305.932159
Energy at 298.15K-305.941446
Nuclear repulsion energy247.538594
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/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 A1 3170 3106 1.79      
2 A1 3133 3069 8.81      
3 A1 2958 2898 5.98      
4 A1 1700 1665 173.93      
5 A1 1488 1457 7.29      
6 A1 1450 1421 22.31      
7 A1 1392 1364 0.83      
8 A1 1197 1172 0.99      
9 A1 1139 1116 0.02      
10 A1 867 849 34.26      
11 A1 500 490 0.04      
12 A1 263 258 5.53      
13 A2 3030 2969 0.00      
14 A2 1458 1429 0.00      
15 A2 1138 1115 0.00      
16 A2 659 646 0.00      
17 A2 229 224 0.00      
18 A2 143 140 0.00      
19 B1 3031 2970 62.19      
20 B1 1458 1428 33.30      
21 B1 1144 1121 0.00      
22 B1 771 756 120.46      
23 B1 656 643 0.01      
24 B1 256 251 0.00      
25 B1 105 103 12.06      
26 B2 3259 3193 3.03      
27 B2 3133 3069 7.10      
28 B2 2957 2897 57.48      
29 B2 1485 1454 0.91      
30 B2 1459 1430 177.72      
31 B2 1345 1318 314.31      
32 B2 1170 1146 25.80      
33 B2 1051 1029 67.72      
34 B2 926 907 0.01      
35 B2 549 538 1.30      
36 B2 377 369 11.63      

Unscaled Zero Point Vibrational Energy (zpe) 25522.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 25003.9 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/6-31G
ABC
0.30335 0.07595 0.06221

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.403
C2 0.000 0.000 0.059
H3 0.000 0.930 1.971
H4 0.000 -0.930 1.971
O5 0.000 1.095 -0.751
O6 0.000 -1.095 -0.751
C7 0.000 2.364 -0.091
C8 0.000 -2.364 -0.091
H9 0.000 3.119 -0.888
H10 0.000 -3.119 -0.888
H11 -0.900 2.483 0.543
H12 0.900 2.483 0.543
H13 0.900 -2.483 0.543
H14 -0.900 -2.483 0.543

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34421.08941.08942.41662.41662.79682.79683.87013.87012.77752.77752.77752.7775
C21.34422.12632.12631.36221.36222.36872.36873.25943.25942.68482.68482.68482.6848
H31.08942.12631.85912.72733.39272.51253.88613.60144.95642.29422.29423.80723.8072
H41.08942.12631.85913.39272.72733.88612.51254.95643.60143.80723.80722.29422.2942
O52.41661.36222.72733.39272.19061.42973.52152.02814.21632.09962.09963.90983.9098
O62.41661.36223.39272.72732.19063.52151.42974.21632.02813.90983.90982.09962.0996
C72.79682.36872.51253.88611.42973.52154.72781.09765.54031.10731.10734.97024.9702
C82.79682.36873.88612.51253.52151.42974.72785.54031.09764.97024.97021.10731.1073
H93.87013.25943.60144.95642.02814.21631.09765.54036.23751.80611.80615.85115.8511
H103.87013.25944.95643.60144.21632.02815.54031.09766.23755.85115.85111.80611.8061
H112.77752.68482.29423.80722.09963.90981.10734.97021.80615.85111.79965.28174.9657
H122.77752.68482.29423.80722.09963.90981.10734.97021.80615.85111.79964.96575.2817
H132.77752.68483.80722.29423.90982.09964.97021.10735.85111.80615.28174.96571.7996
H142.77752.68483.80722.29423.90982.09964.97021.10735.85111.80614.96575.28171.7996

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 126.478 C1 C2 O6 126.478
C2 C1 H3 121.435 C2 C1 H4 121.435
C2 O5 C7 116.057 C2 O6 C8 116.057
H3 C1 H4 117.129 O5 C2 O6 107.044
O5 C7 H9 105.985 O5 C7 H11 111.068
O5 C7 H12 111.068 O6 C8 H10 105.985
O6 C8 H13 111.068 O6 C8 H14 111.068
H9 C7 H11 109.997 H9 C7 H12 109.997
H10 C8 H13 109.997 H10 C8 H14 109.997
H11 C7 H12 108.707 H13 C8 H14 108.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.414      
2 C 0.463      
3 H 0.143      
4 H 0.143      
5 O -0.434      
6 O -0.434      
7 C -0.303      
8 C -0.303      
9 H 0.204      
10 H 0.204      
11 H 0.183      
12 H 0.183      
13 H 0.183      
14 H 0.183      


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 1.794 1.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.488 0.000 0.000
y 0.000 -25.122 0.000
z 0.000 0.000 -39.942
Traceless
 xyz
x -5.956 0.000 0.000
y 0.000 14.094 0.000
z 0.000 0.000 -8.138
Polar
3z2-r2-16.275
x2-y2-13.366
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.798 0.000 0.000
y 0.000 9.560 0.000
z 0.000 0.000 7.673


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