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All results from a given calculation for C2H3OC2H5 (Ethene, ethoxy-)

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 C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-228.079347
Energy at 298.15K-228.087741
Nuclear repulsion energy173.025939
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 3831 3128 0.53      
2 A 3763 3073 0.44      
3 A 3760 3070 0.42      
4 A 3690 3013 1.97      
5 A 3663 2991 9.11      
6 A 3654 2984 66.88      
7 A 3576 2920 0.39      
8 A 3550 2899 9.25      
9 A 2064 1685 81.07      
10 A 1841 1503 5.34      
11 A 1819 1486 3.90      
12 A 1816 1483 1.33      
13 A 1736 1418 12.83      
14 A 1706 1393 11.13      
15 A 1663 1358 95.93      
16 A 1547 1263 11.36      
17 A 1510 1233 0.57      
18 A 1406 1148 46.30      
19 A 1379 1126 33.81      
20 A 1346 1099 10.64      
21 A 1269 1036 0.21      
22 A 1202 981 5.67      
23 A 1146 936 4.74      
24 A 1092 891 26.08      
25 A 1020 833 6.66      
26 A 950 776 0.33      
27 A 790 645 0.93      
28 A 549 449 0.80      
29 A 480 392 0.44      
30 A 238 195 0.22      
31 A 226 185 0.64      
32 A 101 83 2.63      
33 A 39 32 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 29211.4 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 23851.1 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
0.79996 0.07792 0.07317

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.444 -0.273 0.056
H2 -2.500 -1.345 0.167
H3 -3.374 0.272 0.041
C4 -1.294 0.348 -0.065
H5 -1.236 1.429 -0.180
O6 -0.083 -0.351 -0.088
C7 1.044 0.528 0.082
H8 0.999 1.036 1.053
H9 1.053 1.301 -0.696
C10 2.328 -0.320 -0.006
H11 2.333 -1.077 0.771
H12 2.387 -0.814 -0.971
H13 3.200 0.314 0.117

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.07931.07841.31182.10062.36613.57863.81543.90724.77184.89594.96805.6744
H21.07931.84232.09143.06872.62614.00964.32394.51324.93844.87775.04605.9370
H31.07841.84232.08372.44123.35174.42574.55314.60395.73245.90925.94906.5746
C41.31182.09142.08371.08931.39842.35002.64212.61053.68353.98563.96534.4981
H52.10063.06872.44121.08932.12302.46602.58252.34973.97394.46374.33444.5838
O62.36612.62613.35171.39842.12301.43912.09602.09472.41222.66482.66393.3560
C73.57864.00964.42572.35002.46601.43911.09681.09661.54082.17072.17082.1667
H83.81544.32394.55312.64212.58252.09601.09681.76932.17392.51453.07332.4983
H93.90724.51324.60392.61052.34972.09471.09661.76932.17483.07382.51612.4991
C104.77184.93845.73243.68353.97392.41221.54082.17392.17481.08551.08551.0858
H114.89594.87775.90923.98564.46372.66482.17072.51453.07381.08551.76341.7657
H124.96805.04605.94903.96534.33442.66392.17083.07332.51611.08551.76341.7659
H135.67445.93706.57464.49814.58383.35602.16672.49832.49911.08581.76571.7659

picture of Ethene, ethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 121.774 C1 C4 O6 121.590
H2 C1 H3 117.266 H2 C1 C4 121.711
H3 C1 C4 121.022 C4 O6 C7 111.816
H5 C4 O6 116.614 O6 C7 H8 110.766
O6 C7 H9 110.675 O6 C7 C10 108.046
C7 C10 H11 110.283 C7 C10 H12 110.291
C7 C10 H13 109.947 H8 C7 H9 107.538
H8 C7 C10 109.872 H9 C7 C10 109.948
H11 C10 H12 108.624 H11 C10 H13 108.821
H12 C10 H13 108.835
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 C -0.166      
2 H 0.068      
3 H 0.063      
4 C 0.060      
5 H 0.060      
6 O -0.241      
7 C 0.022      
8 H 0.056      
9 H 0.055      
10 C -0.181      
11 H 0.070      
12 H 0.070      
13 H 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.672 1.354 0.127 1.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.262 -0.093 0.084
y -0.093 -28.982 -0.260
z 0.084 -0.260 -30.201
Traceless
 xyz
x 1.329 -0.093 0.084
y -0.093 0.249 -0.260
z 0.084 -0.260 -1.578
Polar
3z2-r2-3.157
x2-y20.720
xy-0.093
xz0.084
yz-0.260


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.089 0.689 -0.121
y 0.689 3.447 -0.151
z -0.121 -0.151 1.976


<r2> (average value of r2) Å2
<r2> 162.244
(<r2>)1/2 12.737