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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-194.314858
Energy at 298.15K-194.323834
HF Energy-194.314858
Nuclear repulsion energy133.868199
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 B3PW91/6-311G*
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' 3129 3012 36.03      
2 A' 3124 3008 31.96      
3 A' 3049 2935 20.43      
4 A' 2976 2865 100.67      
5 A' 2958 2848 39.60      
6 A' 1546 1488 2.79      
7 A' 1521 1464 4.92      
8 A' 1513 1456 8.25      
9 A' 1489 1433 0.36      
10 A' 1439 1385 38.47      
11 A' 1403 1350 0.79      
12 A' 1248 1201 46.83      
13 A' 1179 1135 145.67      
14 A' 1127 1085 5.95      
15 A' 1047 1008 19.14      
16 A' 879 847 11.46      
17 A' 469 451 0.55      
18 A' 288 277 2.75      
19 A" 3128 3011 35.53      
20 A" 3019 2906 76.11      
21 A" 2985 2874 83.70      
22 A" 1498 1442 11.17      
23 A" 1495 1439 5.04      
24 A" 1312 1263 1.97      
25 A" 1206 1161 10.11      
26 A" 1175 1131 0.31      
27 A" 828 797 0.36      
28 A" 269 259 2.27      
29 A" 214 206 1.33      
30 A" 117 113 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 23813.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 22925.1 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 B3PW91/6-311G*
ABC
0.94634 0.13932 0.13039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.313 1.236 0.000
O2 0.013 0.709 0.000
C3 0.000 -0.700 0.000
C4 -1.437 -1.171 0.000
H5 1.225 2.323 0.000
H6 1.879 0.925 0.892
H7 1.879 0.925 -0.892
H8 0.534 -1.083 -0.886
H9 0.534 -1.083 0.886
H10 -1.487 -2.264 0.000
H11 -1.961 -0.802 0.885
H12 -1.961 -0.802 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40282.33923.65431.09101.10071.10072.60152.60154.48143.95643.9564
O21.40281.40982.37442.01822.07952.07952.06622.06623.32982.63852.6385
C32.33921.40981.51193.26202.63962.63961.10291.10292.15732.15382.1538
C43.65432.37441.51194.39254.02284.02282.16232.16231.09361.09281.0928
H51.09102.01823.26204.39251.78231.78233.58653.58655.32824.54934.5493
H61.10072.07952.63964.02281.78231.78353.00042.41694.72124.21044.5697
H71.10072.07952.63964.02281.78231.78352.41693.00044.72124.56974.2104
H82.60152.06621.10292.16233.58653.00042.41691.77232.50233.07232.5107
H92.60152.06621.10292.16233.58652.41693.00041.77232.50232.51073.0723
H104.48143.32982.15731.09365.32824.72124.72122.50232.50231.77361.7736
H113.95642.63852.15381.09284.54934.21044.56973.07232.51071.77361.7691
H123.95642.63852.15381.09284.54934.56974.21042.51073.07231.77361.7691

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 112.546 O2 C1 H5 107.396
O2 C1 H6 111.759 O2 C1 H7 111.759
O2 C3 C4 108.662 O2 C3 H8 110.026
O2 C3 H9 110.026 C3 C4 H10 110.758
C3 C4 H11 110.530 C3 C4 H12 110.530
C4 C3 H8 110.600 C4 C3 H9 110.600
H5 C1 H6 108.819 H5 C1 H7 108.819
H6 C1 H7 108.216 H8 C3 H9 106.922
H10 C4 H11 108.425 H10 C4 H12 108.425
H11 C4 H12 108.086
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.450      
2 O -0.328      
3 C -0.215      
4 C -0.668      
5 H 0.223      
6 H 0.195      
7 H 0.195      
8 H 0.189      
9 H 0.189      
10 H 0.215      
11 H 0.228      
12 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.976 -0.684 0.000 1.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.669 1.753 0.000
y 1.753 -25.543 0.000
z 0.000 0.000 -26.552
Traceless
 xyz
x 0.379 1.753 0.000
y 1.753 0.567 0.000
z 0.000 0.000 -0.946
Polar
3z2-r2-1.892
x2-y2-0.126
xy1.753
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.187 0.728 0.000
y 0.728 6.169 0.000
z 0.000 0.000 5.343


<r2> (average value of r2) Å2
<r2> 102.902
(<r2>)1/2 10.144