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

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-194.348647
Energy at 298.15K-194.357570
HF Energy-194.348647
Nuclear repulsion energy133.865580
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 B3PW91/aug-cc-pVTZ
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' 3118 3009 32.27      
2 A' 3118 3009 15.85      
3 A' 3044 2938 16.96      
4 A' 2974 2870 87.64      
5 A' 2957 2854 40.62      
6 A' 1519 1466 3.24      
7 A' 1497 1445 2.87      
8 A' 1491 1439 6.95      
9 A' 1467 1416 0.45      
10 A' 1418 1368 28.21      
11 A' 1388 1340 0.94      
12 A' 1232 1189 43.29      
13 A' 1169 1128 149.67      
14 A' 1113 1074 4.45      
15 A' 1041 1004 18.25      
16 A' 869 839 10.16      
17 A' 463 447 0.56      
18 A' 285 275 2.66      
19 A" 3121 3012 25.17      
20 A" 3018 2912 52.80      
21 A" 2982 2878 64.22      
22 A" 1480 1428 9.49      
23 A" 1475 1423 4.44      
24 A" 1295 1250 1.78      
25 A" 1190 1148 8.79      
26 A" 1161 1120 0.08      
27 A" 818 790 0.57      
28 A" 252 244 1.65      
29 A" 202 195 1.10      
30 A" 114 110 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 23634.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 22809.4 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 B3PW91/aug-cc-pVTZ
ABC
0.95095 0.13895 0.13013

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.313 -1.242 0.000
O2 -0.009 -0.712 0.000
C3 0.000 0.701 0.000
C4 1.433 1.180 0.000
H5 -1.225 -2.328 0.000
H6 -1.872 -0.928 0.891
H7 -1.872 -0.928 -0.891
H8 -0.535 1.074 -0.885
H9 -0.535 1.074 0.885
H10 1.472 2.271 0.000
H11 1.957 0.815 0.884
H12 1.957 0.815 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40782.34513.66201.08921.09771.09772.59852.59854.48273.96333.9633
O21.40781.41342.37942.02252.07692.07692.06212.06213.33032.64192.6419
C32.34511.41341.51143.26742.63692.63691.09971.09972.15182.15072.1507
C43.66202.37941.51144.40194.02084.02082.16132.16131.09121.09061.0906
H51.08922.02253.26744.40191.78081.78083.58223.58225.33134.55964.5596
H61.09772.07692.63694.02081.78081.78142.99162.40754.71274.20774.5667
H71.09772.07692.63694.02081.78081.78142.40752.99164.71274.56674.2077
H82.59852.06211.09972.16133.58222.99162.40751.77032.49903.06772.5061
H92.59852.06211.09972.16133.58222.40752.99161.77032.49902.50613.0677
H104.48273.33032.15181.09125.33134.71274.71272.49902.49901.77091.7709
H113.96332.64192.15071.09064.55964.20774.56673.06772.50611.77091.7683
H123.96332.64192.15071.09064.55964.56674.20772.50613.06771.77091.7683

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 112.452 O2 C1 H5 107.500
O2 C1 H6 111.382 O2 C1 H7 111.382
O2 C3 C4 108.834 O2 C3 H8 109.647
O2 C3 H9 109.647 C3 C4 H10 110.502
C3 C4 H11 110.448 C3 C4 H12 110.448
C4 C3 H8 110.747 C4 C3 H9 110.747
H5 C1 H6 109.029 H5 C1 H7 109.029
H6 C1 H7 108.468 H8 C3 H9 107.201
H10 C4 H11 108.521 H10 C4 H12 108.521
H11 C4 H12 108.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.633      
2 O -0.465      
3 C -0.006      
4 C -0.711      
5 H 0.248      
6 H 0.253      
7 H 0.253      
8 H 0.214      
9 H 0.214      
10 H 0.217      
11 H 0.208      
12 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.890 0.730 0.000 1.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.851 1.729 0.000
y 1.729 -25.764 0.000
z 0.000 0.000 -26.528
Traceless
 xyz
x 0.295 1.729 0.000
y 1.729 0.425 0.000
z 0.000 0.000 -0.720
Polar
3z2-r2-1.440
x2-y2-0.086
xy1.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.342 0.840 0.000
y 0.840 7.197 0.000
z 0.000 0.000 6.166


<r2> (average value of r2) Å2
<r2> 103.097
(<r2>)1/2 10.154