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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-193.704972
Energy at 298.15K-193.714078
HF Energy-193.146239
Nuclear repulsion energy134.435923
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 CID/6-311G*
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' 3232 3003 35.91      
2 A' 3219 2991 32.94      
3 A' 3141 2918 17.62      
4 A' 3093 2873 87.81      
5 A' 3078 2860 30.38      
6 A' 1615 1501 2.21      
7 A' 1587 1475 8.40      
8 A' 1576 1464 3.20      
9 A' 1562 1451 0.72      
10 A' 1514 1407 43.78      
11 A' 1472 1368 1.75      
12 A' 1319 1225 71.24      
13 A' 1250 1161 125.17      
14 A' 1175 1092 5.84      
15 A' 1099 1021 18.85      
16 A' 924 858 10.77      
17 A' 490 455 0.69      
18 A' 304 282 2.89      
19 A" 3227 2998 35.47      
20 A" 3142 2920 72.67      
21 A" 3112 2891 66.82      
22 A" 1568 1457 8.05      
23 A" 1557 1447 6.21      
24 A" 1371 1273 2.47      
25 A" 1264 1175 11.92      
26 A" 1231 1144 0.05      
27 A" 858 797 0.04      
28 A" 279 259 2.74      
29 A" 223 207 2.17      
30 A" 114 106 2.82      

Unscaled Zero Point Vibrational Energy (zpe) 24796.7 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 23038.6 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 CID/6-311G*
ABC
0.95590 0.14032 0.13136

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.313 1.226 0.000
O2 0.018 0.704 0.000
C3 0.000 -0.697 0.000
C4 -1.440 -1.161 0.000
H5 1.231 2.308 0.000
H6 1.871 0.913 0.887
H7 1.871 0.913 -0.887
H8 0.526 -1.078 -0.882
H9 0.526 -1.078 0.882
H10 -1.495 -2.248 0.000
H11 -1.956 -0.787 0.881
H12 -1.956 -0.787 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39682.32903.64381.08541.09371.09372.59022.59024.46703.93933.9393
O21.39681.40142.36682.01122.06552.06552.05292.05293.31692.62592.6259
C32.32901.40141.51273.24782.62342.62341.09581.09582.15382.14732.1473
C43.64382.36681.51274.37794.00654.00652.15672.15671.08881.08741.0874
H51.08542.01123.24784.37791.77301.77303.57013.57015.30924.52914.5291
H61.09372.06552.62344.00651.77301.77412.98452.40344.70214.18804.5460
H71.09372.06552.62344.00651.77301.77412.40342.98454.70214.54604.1880
H82.59022.05291.09582.15673.57012.98452.40341.76472.49613.05892.4993
H92.59022.05291.09582.15673.57012.40342.98451.76472.49612.49933.0589
H104.46703.31692.15381.08885.30924.70214.70212.49612.49611.76751.7675
H113.93932.62592.14731.08744.52914.18804.54603.05892.49931.76751.7625
H123.93932.62592.14731.08744.52914.54604.18802.49933.05891.76751.7625

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 112.673 O2 C1 H5 107.581
O2 C1 H6 111.485 O2 C1 H7 111.485
O2 C3 C4 108.562 O2 C3 H8 109.986
O2 C3 H9 109.986 C3 C4 H10 110.715
C3 C4 H11 110.275 C3 C4 H12 110.275
C4 C3 H8 110.521 C4 C3 H9 110.521
H5 C1 H6 108.911 H5 C1 H7 108.911
H6 C1 H7 108.407 H8 C3 H9 107.263
H10 C4 H11 108.623 H10 C4 H12 108.623
H11 C4 H12 108.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability