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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-194.107734
Energy at 298.15K-194.116731
HF Energy-193.920075
Nuclear repulsion energy133.530846
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 B2PLYP/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' 3176 3015 32.83      
2 A' 3170 3009 26.81      
3 A' 3093 2936 15.84      
4 A' 3026 2873 77.37      
5 A' 3007 2854 38.16      
6 A' 1584 1503 0.55      
7 A' 1557 1478 4.46      
8 A' 1551 1472 5.98      
9 A' 1521 1443 0.33      
10 A' 1470 1395 36.76      
11 A' 1436 1363 11.27      
12 A' 1262 1198 43.30      
13 A' 1181 1121 134.12      
14 A' 1142 1084 4.80      
15 A' 1052 999 15.96      
16 A' 886 841 12.13      
17 A' 473 449 0.62      
18 A' 292 277 2.90      
19 A" 3178 3017 27.80      
20 A" 3074 2918 67.04      
21 A" 3038 2884 74.40      
22 A" 1537 1459 6.43      
23 A" 1535 1457 2.61      
24 A" 1325 1258 1.08      
25 A" 1229 1167 10.12      
26 A" 1192 1132 0.01      
27 A" 843 800 0.24      
28 A" 273 259 2.32      
29 A" 218 207 1.31      
30 A" 117 111 2.94      

Unscaled Zero Point Vibrational Energy (zpe) 24218.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 22988.2 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 B2PLYP/6-31G*
ABC
0.93773 0.13881 0.12978

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.323 -1.235 0.000
O2 -0.011 -0.711 0.000
C3 0.000 0.706 0.000
C4 1.445 1.168 0.000
H5 -1.235 -2.322 0.000
H6 -1.885 -0.921 0.891
H7 -1.885 -0.921 -0.891
H8 -0.532 1.088 -0.886
H9 -0.532 1.088 0.886
H10 1.500 2.260 0.000
H11 1.962 0.792 0.885
H12 1.962 0.792 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41262.34923.66521.09071.09941.09942.60932.60934.49253.96043.9604
O21.41261.41772.37722.02292.08542.08542.07232.07233.33342.63402.6340
C32.34921.41771.51673.27042.64442.64441.10151.10152.15952.15442.1544
C43.66522.37721.51674.40004.03004.03002.16722.16721.09341.09221.0922
H51.09072.02293.27044.40001.78351.78353.59303.59305.33604.55004.5500
H61.09942.08542.64444.03001.78351.78243.00412.42204.72924.21094.5704
H71.09942.08542.64444.03001.78351.78242.42203.00414.72924.57044.2109
H82.60932.07231.10152.16723.59303.00412.42201.77192.50693.07312.5112
H92.60932.07231.10152.16723.59302.42203.00411.77192.50692.51123.0731
H104.49253.33342.15951.09345.33604.72924.72922.50692.50691.77531.7753
H113.96042.63402.15441.09224.55004.21094.57043.07312.51121.77531.7708
H123.96042.63402.15441.09224.55004.57044.21092.51123.07311.77531.7708

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 112.200 O2 C1 H5 107.121
O2 C1 H6 111.628 O2 C1 H7 111.628
O2 C3 C4 108.163 O2 C3 H8 110.059
O2 C3 H9 110.059 C3 C4 H10 110.614
C3 C4 H11 110.278 C3 C4 H12 110.278
C4 C3 H8 110.740 C4 C3 H9 110.740
H5 C1 H6 109.048 H5 C1 H7 109.048
H6 C1 H7 108.313 H8 C3 H9 107.087
H10 C4 H11 108.643 H10 C4 H12 108.643
H11 C4 H12 108.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 O -0.480      
3 C -0.011      
4 C -0.467      
5 H 0.164      
6 H 0.133      
7 H 0.133      
8 H 0.124      
9 H 0.124      
10 H 0.148      
11 H 0.165      
12 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.983 0.704 0.000 1.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.356 1.791 0.000
y 1.791 -25.519 0.000
z 0.000 0.000 -26.561
Traceless
 xyz
x 0.684 1.791 0.000
y 1.791 0.439 0.000
z 0.000 0.000 -1.123
Polar
3z2-r2-2.246
x2-y20.163
xy1.791
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.634 0.682 0.000
y 0.682 5.796 0.000
z 0.000 0.000 4.970


<r2> (average value of r2) Å2
<r2> 103.168
(<r2>)1/2 10.157