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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-193.801996
Energy at 298.15K-193.811004
HF Energy-193.117695
Nuclear repulsion energy133.299938
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 CCSD=FULL/cc-pVDZ
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' 3164 3164 29.33      
2 A' 3163 3163 29.64      
3 A' 3075 3075 17.29      
4 A' 3012 3012 80.13      
5 A' 2995 2995 34.51      
6 A' 1541 1541 0.71      
7 A' 1512 1512 6.90      
8 A' 1505 1505 2.37      
9 A' 1487 1487 0.05      
10 A' 1447 1447 47.17      
11 A' 1400 1400 5.95      
12 A' 1259 1259 68.82      
13 A' 1201 1201 107.75      
14 A' 1126 1126 2.64      
15 A' 1069 1069 17.76      
16 A' 890 890 10.54      
17 A' 475 475 0.68      
18 A' 292 292 2.38      
19 A" 3168 3168 27.08      
20 A" 3066 3066 67.27      
21 A" 3031 3031 74.42      
22 A" 1489 1489 5.18      
23 A" 1484 1484 3.87      
24 A" 1305 1305 2.22      
25 A" 1212 1212 11.72      
26 A" 1176 1176 0.02      
27 A" 827 827 0.02      
28 A" 273 273 2.38      
29 A" 216 216 1.41      
30 A" 113 113 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 23985.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23985.8 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 CCSD=FULL/cc-pVDZ
ABC
0.92791 0.13900 0.12993

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.324 1.224 0.000
O2 0.011 0.714 0.000
C3 0.000 -0.699 0.000
C4 -1.449 -1.163 0.000
H5 1.254 2.323 0.000
H6 1.891 0.901 0.898
H7 1.891 0.901 -0.898
H8 0.534 -1.090 -0.894
H9 0.534 -1.090 0.894
H10 -1.503 -2.265 0.000
H11 -1.970 -0.782 0.894
H12 -1.970 -0.782 -0.894

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40882.33513.65871.10121.11021.11022.60302.60304.49083.95933.9593
O21.40881.41382.37802.03342.09252.09252.08032.08033.34212.63872.6387
C32.33511.41381.52103.27242.63552.63551.11211.11212.17052.16502.1650
C43.65872.37801.52104.41144.02794.02792.17622.17621.10341.10291.1029
H51.10122.03343.27244.41141.79811.79813.60053.60055.35314.56524.5652
H61.11022.09252.63554.02791.79811.79643.00282.40954.72814.21254.5779
H71.11022.09252.63554.02791.79811.79642.40953.00284.72814.57794.2125
H82.60302.08031.11212.17623.60053.00282.40951.78772.51623.09232.5231
H92.60302.08031.11212.17623.60052.40953.00281.78772.51622.52313.0923
H104.49083.34212.17051.10345.35314.72814.72812.51622.51621.79351.7935
H113.95932.63872.16501.10294.56524.21254.57793.09232.52311.79351.7881
H123.95932.63872.16501.10294.56524.57794.21252.52313.09231.79351.7881

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 111.639 O2 C1 H5 107.587
O2 C1 H6 111.789 O2 C1 H7 111.789
O2 C3 C4 108.189 O2 C3 H8 110.322
O2 C3 H9 110.322 C3 C4 H10 110.579
C3 C4 H11 110.182 C3 C4 H12 110.182
C4 C3 H8 110.517 C4 C3 H9 110.517
H5 C1 H6 108.803 H5 C1 H7 108.803
H6 C1 H7 107.998 H8 C3 H9 106.985
H10 C4 H11 108.761 H10 C4 H12 108.761
H11 C4 H12 108.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability