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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-194.082891
Energy at 298.15K-194.091784
HF Energy-194.082891
Nuclear repulsion energy132.860015
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 PBEPBEultrafine/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' 3077 3026 23.36      
2 A' 3066 3016 30.79      
3 A' 2997 2947 16.03      
4 A' 2904 2856 89.04      
5 A' 2881 2833 43.09      
6 A' 1515 1490 0.87      
7 A' 1489 1465 2.83      
8 A' 1481 1456 9.67      
9 A' 1452 1428 0.22      
10 A' 1399 1376 37.57      
11 A' 1366 1344 7.26      
12 A' 1206 1186 39.30      
13 A' 1142 1123 136.58      
14 A' 1096 1078 4.70      
15 A' 1021 1004 16.34      
16 A' 855 841 9.56      
17 A' 458 451 0.50      
18 A' 281 277 2.72      
19 A" 3079 3028 25.31      
20 A" 2943 2894 66.67      
21 A" 2906 2858 86.67      
22 A" 1466 1442 6.89      
23 A" 1462 1438 4.25      
24 A" 1266 1245 1.00      
25 A" 1175 1156 8.46      
26 A" 1140 1121 0.32      
27 A" 808 795 0.75      
28 A" 268 264 2.11      
29 A" 218 214 0.75      
30 A" 118 116 2.57      

Unscaled Zero Point Vibrational Energy (zpe) 23266.5 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 22882.6 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 PBEPBEultrafine/6-31G*
ABC
0.92528 0.13779 0.12882

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.323 1.237 0.000
O2 0.008 0.719 0.000
C3 0.000 -0.703 0.000
C4 -1.446 -1.177 0.000
H5 1.241 2.336 0.000
H6 1.897 0.921 0.899
H7 1.897 0.921 -0.899
H8 0.540 -1.092 -0.894
H9 0.540 -1.092 0.894
H10 -1.490 -2.279 0.000
H11 -1.974 -0.805 0.893
H12 -1.974 -0.805 -0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41422.34843.67391.10181.11241.11242.61472.61474.50383.98053.9805
O21.41421.42162.38902.03382.10182.10182.08822.08823.35162.65492.6549
C32.34841.42161.52173.28232.65332.65331.11441.11442.16962.16942.1694
C43.67392.38901.52174.42284.04724.04722.17932.17931.10301.10251.1025
H51.10182.03383.28234.42281.80061.80063.61103.61105.36304.58294.5829
H61.11242.10182.65334.04721.80061.79833.01732.42674.74544.23814.6015
H71.11242.10182.65334.04721.80061.79832.42673.01734.74544.60154.2381
H82.61472.08821.11442.17933.61103.01732.42671.78792.51643.09792.5304
H92.61472.08821.11442.17933.61102.42673.01731.78792.51642.53043.0979
H104.50383.35162.16961.10305.36304.74544.74542.51642.51641.79021.7902
H113.98052.65492.16941.10254.58294.23814.60153.09792.53041.79021.7863
H123.98052.65492.16941.10254.58294.60154.23812.53043.09791.79021.7863

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 111.809 O2 C1 H5 107.219
O2 C1 H6 112.026 O2 C1 H7 112.026
O2 C3 C4 108.476 O2 C3 H8 110.267
O2 C3 H9 110.267 C3 C4 H10 110.493
C3 C4 H11 110.504 C3 C4 H12 110.504
C4 C3 H8 110.576 C4 C3 H9 110.576
H5 C1 H6 108.816 H5 C1 H7 108.816
H6 C1 H7 107.858 H8 C3 H9 106.683
H10 C4 H11 108.526 H10 C4 H12 108.526
H11 C4 H12 108.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 O -0.406      
3 C -0.054      
4 C -0.496      
5 H 0.169      
6 H 0.138      
7 H 0.138      
8 H 0.129      
9 H 0.129      
10 H 0.157      
11 H 0.172      
12 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.835 -0.647 0.000 1.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.322 1.731 0.000
y 1.731 -25.371 0.000
z 0.000 0.000 -26.486
Traceless
 xyz
x 0.607 1.731 0.000
y 1.731 0.533 0.000
z 0.000 0.000 -1.140
Polar
3z2-r2-2.280
x2-y20.050
xy1.731
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.999 0.800 0.000
y 0.800 6.108 0.000
z 0.000 0.000 5.175


<r2> (average value of r2) Å2
<r2> 103.887
(<r2>)1/2 10.193