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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-193.793000
Energy at 298.15K-193.801985
HF Energy-193.120967
Nuclear repulsion energy133.512250
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 CCD/6-31+G**
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' 3217 3032 29.55      
2 A' 3200 3016 28.26      
3 A' 3116 2936 18.65      
4 A' 3068 2891 81.41      
5 A' 3052 2876 39.16      
6 A' 1582 1491 0.51      
7 A' 1560 1470 5.61      
8 A' 1550 1460 3.36      
9 A' 1525 1437 0.05      
10 A' 1481 1396 35.18      
11 A' 1441 1358 8.95      
12 A' 1274 1201 52.66      
13 A' 1201 1132 117.40      
14 A' 1146 1080 2.65      
15 A' 1068 1007 19.05      
16 A' 894 842 13.31      
17 A' 475 447 0.67      
18 A' 295 278 2.87      
19 A" 3212 3027 28.78      
20 A" 3130 2949 56.67      
21 A" 3092 2913 60.46      
22 A" 1540 1451 5.45      
23 A" 1532 1444 4.69      
24 A" 1327 1250 1.95      
25 A" 1230 1159 11.84      
26 A" 1193 1125 0.22      
27 A" 842 793 0.00      
28 A" 264 248 2.25      
29 A" 211 199 2.45      
30 A" 103 97 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 24409.7 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 23001.3 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 CCD/6-31+G**
ABC
0.94070 0.13845 0.12952

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.323 1.241 0.000
O2 0.009 0.713 0.000
C3 0.000 -0.707 0.000
C4 -1.441 -1.175 0.000
H5 1.232 2.324 0.000
H6 1.876 0.924 0.891
H7 1.876 0.924 -0.891
H8 0.530 -1.080 -0.886
H9 0.530 -1.080 0.886
H10 -1.484 -2.265 0.000
H11 -1.958 -0.805 0.885
H12 -1.958 -0.805 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41582.35423.67081.08741.09541.09542.60732.60734.49123.96613.9661
O21.41581.42032.38082.02262.07932.07932.06702.06703.33192.63732.6373
C32.35421.42031.51543.27192.64012.64011.09781.09782.15212.15092.1509
C43.67082.38081.51544.40344.02494.02492.16342.16341.09111.08951.0895
H51.08742.02263.27194.40341.78041.78043.58693.58695.33304.55514.5551
H61.09542.07932.64014.02491.78041.78182.99702.41344.71724.20534.5648
H71.09542.07932.64014.02491.78041.78182.41342.99704.71724.56484.2053
H82.60732.06701.09782.16343.58692.99702.41341.77202.49963.06632.5033
H92.60732.06701.09782.16343.58692.41342.99701.77202.49962.50333.0663
H104.49123.33192.15211.09115.33304.71724.71722.49962.49961.77221.7722
H113.96612.63732.15091.08954.55514.20534.56483.06632.50331.77221.7695
H123.96612.63732.15091.08954.55514.56484.20532.50333.06631.77221.7695

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 112.213 O2 C1 H5 107.070
O2 C1 H6 111.142 O2 C1 H7 111.142
O2 C3 C4 108.340 O2 C3 H8 109.681
O2 C3 H9 109.681 C3 C4 H10 110.252
C3 C4 H11 110.254 C3 C4 H12 110.254
C4 C3 H8 110.751 C4 C3 H9 110.751
H5 C1 H6 109.304 H5 C1 H7 109.304
H6 C1 H7 108.838 H8 C3 H9 107.631
H10 C4 H11 108.717 H10 C4 H12 108.717
H11 C4 H12 108.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability