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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-193.187475
Energy at 298.15K-193.196630
HF Energy-193.187475
Nuclear repulsion energy134.753598
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/Def2TZVPP
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' 3248 2944 47.08      
2 A' 3228 2926 46.07      
3 A' 3167 2871 23.10      
4 A' 3128 2835 102.45      
5 A' 3110 2819 31.33      
6 A' 1655 1500 1.62      
7 A' 1626 1474 6.22      
8 A' 1618 1467 1.86      
9 A' 1608 1458 0.68      
10 A' 1561 1415 39.85      
11 A' 1520 1378 3.45      
12 A' 1362 1235 75.12      
13 A' 1278 1158 176.87      
14 A' 1207 1094 7.56      
15 A' 1109 1005 16.55      
16 A' 939 852 12.63      
17 A' 496 450 0.67      
18 A' 308 279 2.65      
19 A" 3237 2934 50.77      
20 A" 3164 2868 84.80      
21 A" 3134 2840 57.27      
22 A" 1615 1464 6.17      
23 A" 1599 1449 4.26      
24 A" 1414 1282 3.04      
25 A" 1304 1182 12.23      
26 A" 1271 1152 0.00      
27 A" 881 799 0.01      
28 A" 280 254 2.09      
29 A" 217 197 2.26      
30 A" 116 105 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 25199.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22840.8 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/Def2TZVPP
ABC
0.97521 0.13981 0.13117

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.241 1.303 0.000
O2 0.000 0.693 0.000
C3 0.033 -0.709 0.000
C4 -1.381 -1.221 0.000
H5 1.082 2.372 0.000
H6 1.817 1.033 0.883
H7 1.817 1.033 -0.883
H8 0.562 -1.081 -0.876
H9 0.562 -1.081 0.876
H10 -1.393 -2.307 0.000
H11 -1.904 -0.871 0.879
H12 -1.904 -0.871 -0.879

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.38292.34673.63941.08051.08811.08812.62912.62914.46893.92283.9228
O21.38291.40212.36001.99762.04842.04842.05632.05633.30752.61572.6157
C32.34671.40211.50393.25452.64452.64451.08841.08842.14202.13372.1337
C43.63942.36001.50394.35604.01044.01042.13522.13521.08601.08151.0815
H51.08051.99763.25454.35601.76441.76443.60003.60005.29334.49474.4947
H61.08812.04842.64454.01041.76441.76513.02242.45824.71564.17964.5356
H71.08812.04842.64454.01041.76441.76512.45823.02244.71564.53564.1796
H82.62912.05631.08842.13523.60003.02242.45821.75182.46803.03382.4748
H92.62912.05631.08842.13523.60002.45823.02241.75182.46802.47483.0338
H104.46893.30752.14201.08605.29334.71564.71562.46802.46801.76021.7602
H113.92282.61572.13371.08154.49474.17964.53563.03382.47481.76021.7579
H123.92282.61572.13371.08154.49474.53564.17962.47483.03381.76021.7579

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 114.833 O2 C1 H5 107.735
O2 C1 H6 111.427 O2 C1 H7 111.427
O2 C3 C4 108.551 O2 C3 H8 110.678
O2 C3 H9 110.678 C3 C4 H10 110.559
C3 C4 H11 110.161 C3 C4 H12 110.161
C4 C3 H8 109.875 C4 C3 H9 109.875
H5 C1 H6 108.894 H5 C1 H7 108.894
H6 C1 H7 108.406 H8 C3 H9 107.179
H10 C4 H11 108.596 H10 C4 H12 108.596
H11 C4 H12 108.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 O -0.400      
3 C 0.168      
4 C -0.155      
5 H 0.074      
6 H 0.045      
7 H 0.045      
8 H 0.023      
9 H 0.023      
10 H 0.042      
11 H 0.057      
12 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.046 -0.694 0.000 1.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.902 1.678 0.000
y 1.678 -25.644 0.000
z 0.000 0.000 -26.500
Traceless
 xyz
x 0.170 1.678 0.000
y 1.678 0.557 0.000
z 0.000 0.000 -0.727
Polar
3z2-r2-1.453
x2-y2-0.258
xy1.678
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.249 0.667 0.000
y 0.667 6.366 0.000
z 0.000 0.000 5.527


<r2> (average value of r2) Å2
<r2> 102.363
(<r2>)1/2 10.117