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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-194.135120
Energy at 298.15K-194.144111
HF Energy-194.135120
Nuclear repulsion energy133.999250
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3164 3020 22.85      
2 A' 3154 3010 30.29      
3 A' 3077 2936 15.23      
4 A' 2995 2858 81.80      
5 A' 2976 2840 39.27      
6 A' 1547 1476 1.40      
7 A' 1519 1449 4.73      
8 A' 1511 1442 6.26      
9 A' 1489 1421 0.13      
10 A' 1441 1375 41.72      
11 A' 1400 1336 3.12      
12 A' 1254 1197 77.57      
13 A' 1204 1149 110.41      
14 A' 1128 1076 5.76      
15 A' 1062 1014 17.57      
16 A' 888 848 8.73      
17 A' 472 451 0.61      
18 A' 290 277 2.90      
19 A" 3167 3023 23.97      
20 A" 3045 2906 62.42      
21 A" 3008 2871 77.12      
22 A" 1496 1428 8.19      
23 A" 1493 1425 3.32      
24 A" 1306 1247 1.53      
25 A" 1209 1154 9.54      
26 A" 1174 1121 0.32      
27 A" 827 789 0.62      
28 A" 270 258 2.22      
29 A" 218 208 1.03      
30 A" 119 114 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 23951.0 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 22856.5 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 HSEh1PBE/6-31G**
ABC
0.94497 0.13987 0.13085

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.312 1.229 0.000
O2 0.012 0.709 0.000
C3 0.000 -0.698 0.000
C4 -1.438 -1.166 0.000
H5 1.232 2.319 0.000
H6 1.881 0.917 0.891
H7 1.881 0.917 -0.891
H8 0.534 -1.085 -0.886
H9 0.534 -1.085 0.886
H10 -1.487 -2.259 0.000
H11 -1.960 -0.794 0.886
H12 -1.960 -0.794 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40042.33153.64671.09241.10201.10202.59732.59734.47223.94773.9477
O21.40041.40692.37002.01982.08062.08062.06742.06743.32462.63282.6328
C32.33151.40691.51183.25852.63422.63421.10421.10422.15562.15272.1527
C43.64672.37001.51184.38984.01794.01792.16262.16261.09371.09331.0933
H51.09242.01983.25854.38981.78311.78313.58563.58565.32404.54554.5455
H61.10202.08062.63424.01791.78311.78192.99662.41294.71374.20454.5644
H71.10202.08062.63424.01791.78311.78192.41292.99664.71374.56444.2045
H82.59732.06741.10422.16263.58562.99662.41291.77182.49893.07232.5102
H92.59732.06741.10422.16263.58562.41292.99661.77182.49892.51023.0723
H104.47223.32462.15561.09375.32404.71374.71372.49892.49891.77551.7755
H113.94772.63282.15271.09334.54554.20454.56443.07232.51021.77551.7711
H123.94772.63282.15271.09334.54554.56444.20452.51023.07231.77551.7711

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.307 O2 C1 H5 107.603
O2 C1 H6 111.941 O2 C1 H7 111.941
O2 C3 C4 108.531 O2 C3 H8 110.255
O2 C3 H9 110.255 C3 C4 H10 110.619
C3 C4 H11 110.418 C3 C4 H12 110.418
C4 C3 H8 110.549 C4 C3 H9 110.549
H5 C1 H6 108.690 H5 C1 H7 108.690
H6 C1 H7 107.891 H8 C3 H9 106.705
H10 C4 H11 108.559 H10 C4 H12 108.559
H11 C4 H12 108.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 O -0.475      
3 C 0.028      
4 C -0.407      
5 H 0.138      
6 H 0.109      
7 H 0.109      
8 H 0.102      
9 H 0.102      
10 H 0.127      
11 H 0.145      
12 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.922 -0.685 0.000 1.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.118 1.792 0.000
y 1.792 -25.260 0.000
z 0.000 0.000 -26.348
Traceless
 xyz
x 0.686 1.792 0.000
y 1.792 0.472 0.000
z 0.000 0.000 -1.159
Polar
3z2-r2-2.318
x2-y20.143
xy1.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.824 0.714 0.000
y 0.714 5.941 0.000
z 0.000 0.000 5.115


<r2> (average value of r2) Å2
<r2> 102.427
(<r2>)1/2 10.121