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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-194.090517
Energy at 298.15K-194.099381
HF Energy-194.090517
Nuclear repulsion energy132.732135
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 PBEPBE/cc-pVDZ
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' 3070 3052 19.35      
2 A' 3054 3036 26.38      
3 A' 2980 2963 17.15      
4 A' 2882 2866 92.32      
5 A' 2860 2843 43.79      
6 A' 1457 1449 1.14      
7 A' 1429 1421 3.34      
8 A' 1424 1415 6.73      
9 A' 1404 1396 0.23      
10 A' 1361 1353 40.33      
11 A' 1323 1316 3.35      
12 A' 1182 1175 49.93      
13 A' 1139 1132 136.23      
14 A' 1075 1069 2.88      
15 A' 1019 1013 19.12      
16 A' 847 842 9.99      
17 A' 455 453 0.53      
18 A' 278 276 2.30      
19 A" 3067 3049 21.93      
20 A" 2926 2909 63.29      
21 A" 2887 2870 91.96      
22 A" 1402 1394 7.97      
23 A" 1399 1391 3.77      
24 A" 1237 1230 1.45      
25 A" 1145 1138 9.77      
26 A" 1111 1105 0.15      
27 A" 795 791 0.68      
28 A" 262 260 2.00      
29 A" 211 210 0.51      
30 A" 117 117 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 22899.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 22766.7 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 PBEPBE/cc-pVDZ
ABC
0.92158 0.13780 0.12883

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.320 1.239 0.000
O2 0.007 0.718 0.000
C3 0.000 -0.703 0.000
C4 -1.443 -1.178 0.000
H5 1.239 2.344 0.000
H6 1.900 0.922 0.903
H7 1.900 0.922 -0.903
H8 0.546 -1.094 -0.898
H9 0.546 -1.094 0.898
H10 -1.490 -2.285 0.000
H11 -1.976 -0.804 0.897
H12 -1.976 -0.804 -0.897

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41262.34813.67131.10741.11881.11882.61672.61674.50753.98013.9801
O21.41261.42082.38712.04002.10712.10712.09232.09233.35562.65562.6556
C32.34811.42081.51963.28892.65802.65801.12071.12072.17362.17252.1725
C43.67132.38711.51964.42704.05004.05002.18372.18371.10811.10831.1083
H51.10742.04003.28894.42701.80881.80883.61963.61965.37364.58794.5879
H61.11882.10712.65804.05001.80881.80513.02302.42854.75334.24294.6087
H71.11882.10712.65804.05001.80881.80512.42853.02304.75334.60874.2429
H82.61672.09231.12072.18373.61963.02302.42851.79532.52383.10852.5382
H92.61672.09231.12072.18373.61962.42853.02301.79532.52382.53823.1085
H104.50753.35562.17361.10815.37364.75334.75332.52382.52381.79871.7987
H113.98012.65562.17251.10834.58794.24294.60873.10852.53821.79871.7938
H123.98012.65562.17251.10834.58794.60874.24292.53823.10851.79871.7938

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 111.928 O2 C1 H5 107.479
O2 C1 H6 112.171 O2 C1 H7 112.171
O2 C3 C4 108.502 O2 C3 H8 110.263
O2 C3 H9 110.263 C3 C4 H10 110.646
C3 C4 H11 110.546 C3 C4 H12 110.546
C4 C3 H8 110.687 C4 C3 H9 110.687
H5 C1 H6 108.688 H5 C1 H7 108.688
H6 C1 H7 107.554 H8 C3 H9 106.441
H10 C4 H11 108.489 H10 C4 H12 108.489
H11 C4 H12 108.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.073      
2 O -0.276      
3 C 0.062      
4 C -0.063      
5 H 0.037      
6 H 0.015      
7 H 0.015      
8 H 0.010      
9 H 0.010      
10 H 0.031      
11 H 0.043      
12 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.759 -0.576 0.000 0.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.746 1.607 0.000
y 1.607 -25.603 0.000
z 0.000 0.000 -26.768
Traceless
 xyz
x 0.439 1.607 0.000
y 1.607 0.654 0.000
z 0.000 0.000 -1.093
Polar
3z2-r2-2.187
x2-y2-0.143
xy1.607
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.534 0.914 0.000
y 0.914 6.505 0.000
z 0.000 0.000 5.496


<r2> (average value of r2) Å2
<r2> 104.174
(<r2>)1/2 10.207