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

using model chemistry: MP3=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/TZVP
 hartrees
Energy at 0K-193.941862
Energy at 298.15K-193.950866
HF Energy-193.174511
Nuclear repulsion energy134.107210
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 MP3=FULL/TZVP
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' 3190 2978 30.32      
2 A' 3178 2968 27.60      
3 A' 3098 2893 16.46      
4 A' 3045 2843 78.09      
5 A' 3031 2830 32.85      
6 A' 1574 1470 0.92      
7 A' 1545 1443 7.56      
8 A' 1534 1433 2.25      
9 A' 1525 1424 0.91      
10 A' 1479 1381 38.56      
11 A' 1436 1341 2.18      
12 A' 1287 1202 49.89      
13 A' 1212 1132 123.16      
14 A' 1148 1072 3.96      
15 A' 1074 1003 17.64      
16 A' 901 841 11.55      
17 A' 482 450 0.57      
18 A' 298 279 2.57      
19 A" 3186 2975 28.98      
20 A" 3098 2892 56.77      
21 A" 3065 2861 61.67      
22 A" 1516 1415 6.12      
23 A" 1508 1408 4.14      
24 A" 1329 1241 2.93      
25 A" 1237 1155 10.55      
26 A" 1199 1120 0.00      
27 A" 844 788 0.00      
28 A" 262 245 2.31      
29 A" 212 198 2.09      
30 A" 97 91 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 24295.1 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 22684.3 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 MP3=FULL/TZVP
ABC
0.94873 0.13980 0.13082

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.315 1.228 0.000
O2 0.007 0.716 0.000
C3 0.000 -0.693 0.000
C4 -1.435 -1.174 0.000
H5 1.243 2.312 0.000
H6 1.869 0.908 0.889
H7 1.869 0.908 -0.889
H8 0.529 -1.069 -0.884
H9 0.529 -1.069 0.884
H10 -1.465 -2.263 0.000
H11 -1.955 -0.811 0.884
H12 -1.955 -0.811 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40472.32783.65111.08651.09501.09502.58332.58334.46293.95423.9542
O21.40471.40912.37722.01882.07212.07212.05922.05923.32332.63912.6391
C32.32781.40911.51323.25202.61642.61641.09691.09692.14782.14932.1493
C43.65112.37721.51324.39604.00484.00482.15632.15631.08961.08841.0884
H51.08652.01883.25204.39601.77551.77553.56663.56665.31694.55724.5572
H61.09502.07212.61644.00481.77551.77782.97432.38784.68644.19294.5523
H71.09502.07212.61644.00481.77551.77782.38782.97434.68644.55234.1929
H82.58332.05921.09692.15633.56662.97432.38781.76892.48733.06052.4978
H92.58332.05921.09692.15633.56662.38782.97431.76892.48732.49783.0605
H104.46293.32332.14781.08965.31694.68644.68642.48732.48731.76931.7693
H113.95422.63912.14931.08844.55724.19294.55233.06052.49781.76931.7682
H123.95422.63912.14931.08844.55724.55234.19292.49783.06051.76931.7682

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 111.636 O2 C1 H5 107.576
O2 C1 H6 111.380 O2 C1 H7 111.380
O2 C3 C4 108.818 O2 C3 H8 109.883
O2 C3 H9 109.883 C3 C4 H10 110.147
C3 C4 H11 110.340 C3 C4 H12 110.340
C4 C3 H8 110.389 C4 C3 H9 110.389
H5 C1 H6 108.953 H5 C1 H7 108.953
H6 C1 H7 108.542 H8 C3 H9 107.471
H10 C4 H11 108.656 H10 C4 H12 108.656
H11 C4 H12 108.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability