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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-194.162635
Energy at 298.15K-194.171574
HF Energy-193.944014
Nuclear repulsion energy133.076884
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/aug-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' 3156 3035 26.49      
2 A' 3143 3022 25.15      
3 A' 3063 2946 18.24      
4 A' 3002 2887 91.31      
5 A' 2988 2874 37.92      
6 A' 1514 1456 2.07      
7 A' 1490 1433 1.85      
8 A' 1487 1430 6.33      
9 A' 1459 1403 0.85      
10 A' 1417 1363 27.92      
11 A' 1381 1328 2.43      
12 A' 1228 1181 33.47      
13 A' 1152 1108 142.14      
14 A' 1110 1068 7.85      
15 A' 1038 999 19.20      
16 A' 862 829 12.72      
17 A' 466 449 0.56      
18 A' 289 278 2.68      
19 A" 3150 3030 27.61      
20 A" 3056 2939 53.85      
21 A" 3024 2909 63.22      
22 A" 1475 1419 9.04      
23 A" 1471 1415 3.42      
24 A" 1292 1243 1.67      
25 A" 1189 1144 8.65      
26 A" 1158 1114 0.00      
27 A" 820 789 0.23      
28 A" 257 247 1.76      
29 A" 206 198 1.44      
30 A" 114 110 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 23729.4 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 22822.9 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/aug-cc-pVDZ
ABC
0.93338 0.13776 0.12889

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.321 1.246 0.000
O2 0.006 0.718 0.000
C3 0.000 -0.706 0.000
C4 -1.440 -1.183 0.000
H5 1.233 2.337 0.000
H6 1.881 0.926 0.897
H7 1.881 0.926 -0.897
H8 0.537 -1.078 -0.892
H9 0.537 -1.078 0.892
H10 -1.473 -2.281 0.000
H11 -1.966 -0.818 0.891
H12 -1.966 -0.818 -0.891

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41742.35643.67741.09521.10391.10392.60942.60944.49933.98243.9824
O21.41741.42342.38842.03192.08842.08842.07442.07443.34372.65352.6535
C32.35641.42341.51713.28322.64612.64611.10571.10572.15662.16162.1616
C43.67742.38841.51714.42034.03454.03452.17162.17161.09851.09731.0973
H51.09522.03193.28324.42031.79291.79293.59773.59775.35274.58094.5809
H61.10392.08842.64614.03451.79291.79313.00292.41244.72574.22354.5861
H71.10392.08842.64614.03451.79291.79312.41243.00294.72574.58614.2235
H82.60942.07441.10572.17163.59773.00292.41241.78322.50653.08442.5173
H92.60942.07441.10572.17163.59772.41243.00291.78322.50652.51733.0844
H104.49933.34372.15661.09855.35274.72574.72572.50652.50651.78301.7830
H113.98242.65352.16161.09734.58094.22354.58613.08442.51731.78301.7815
H123.98242.65352.16161.09734.58094.58614.22352.51733.08441.78301.7815

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 112.093 O2 C1 H5 107.248
O2 C1 H6 111.242 O2 C1 H7 111.242
O2 C3 C4 108.588 O2 C3 H8 109.568
O2 C3 H9 109.568 C3 C4 H10 110.055
C3 C4 H11 110.516 C3 C4 H12 110.516
C4 C3 H8 110.808 C4 C3 H9 110.808
H5 C1 H6 109.232 H5 C1 H7 109.232
H6 C1 H7 108.605 H8 C3 H9 107.486
H10 C4 H11 108.584 H10 C4 H12 108.584
H11 C4 H12 108.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability