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

using model chemistry: B2PLYP=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-194.112734
Energy at 298.15K-194.121738
HF Energy-193.920103
Nuclear repulsion energy133.567772
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=FULL/6-31G*
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' 3176 3012 32.87      
2 A' 3169 3006 26.68      
3 A' 3093 2933 15.83      
4 A' 3025 2869 77.70      
5 A' 3005 2850 38.22      
6 A' 1585 1503 0.56      
7 A' 1558 1478 4.71      
8 A' 1551 1471 5.84      
9 A' 1522 1443 0.33      
10 A' 1471 1395 37.27      
11 A' 1436 1362 10.92      
12 A' 1263 1198 44.17      
13 A' 1184 1123 133.82      
14 A' 1143 1084 4.76      
15 A' 1053 999 15.98      
16 A' 887 841 12.06      
17 A' 473 449 0.62      
18 A' 292 277 2.90      
19 A" 3178 3014 27.67      
20 A" 3072 2913 67.20      
21 A" 3036 2879 74.74      
22 A" 1537 1458 6.29      
23 A" 1535 1456 2.80      
24 A" 1327 1258 1.10      
25 A" 1230 1167 10.12      
26 A" 1193 1132 0.01      
27 A" 843 800 0.24      
28 A" 274 260 2.32      
29 A" 220 208 1.29      
30 A" 118 111 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 24223.2 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 22973.3 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=FULL/6-31G*
ABC
0.93881 0.13885 0.12984

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.321 1.235 0.000
O2 0.012 0.711 0.000
C3 0.000 -0.705 0.000
C4 -1.444 -1.168 0.000
H5 1.233 2.322 0.000
H6 1.884 0.921 0.891
H7 1.884 0.921 -0.891
H8 0.531 -1.089 -0.886
H9 0.531 -1.089 0.886
H10 -1.497 -2.260 0.000
H11 -1.962 -0.793 0.885
H12 -1.962 -0.793 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41062.34743.66301.09081.09981.09982.60932.60934.48973.95883.9588
O21.41061.41632.37632.02202.08472.08472.07202.07203.33192.63402.6340
C32.34741.41631.51603.26902.64412.64411.10171.10172.15832.15402.1540
C43.66302.37631.51604.39824.02934.02932.16592.16591.09351.09221.0922
H51.09082.02203.26904.39821.78341.78343.59333.59335.33384.54894.5489
H61.09982.08472.64414.02931.78341.78203.00492.42334.72764.21074.5701
H71.09982.08472.64414.02931.78341.78202.42333.00494.72764.57014.2107
H82.60932.07201.10172.16593.59333.00492.42331.77172.50413.07232.5102
H92.60932.07201.10172.16593.59332.42333.00491.77172.50412.51023.0723
H104.48973.33192.15831.09355.33384.72764.72762.50412.50411.77551.7755
H113.95882.63402.15401.09224.54894.21074.57013.07232.51021.77551.7710
H123.95882.63402.15401.09224.54894.57014.21072.51023.07231.77551.7710

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 112.277 O2 C1 H5 107.180
O2 C1 H6 111.691 O2 C1 H7 111.691
O2 C3 C4 108.220 O2 C3 H8 110.124
O2 C3 H9 110.124 C3 C4 H10 110.562
C3 C4 H11 110.295 C3 C4 H12 110.295
C4 C3 H8 110.668 C4 C3 H9 110.668
H5 C1 H6 109.000 H5 C1 H7 109.000
H6 C1 H7 108.220 H8 C3 H9 107.046
H10 C4 H11 108.648 H10 C4 H12 108.648
H11 C4 H12 108.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability