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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-194.150251
Energy at 298.15K-194.159214
HF Energy-193.938371
Nuclear repulsion energy133.389285
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/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' 3179 3023 28.16      
2 A' 3164 3009 27.04      
3 A' 3085 2933 19.40      
4 A' 3024 2876 93.09      
5 A' 3007 2860 44.13      
6 A' 1554 1478 1.04      
7 A' 1532 1457 3.61      
8 A' 1527 1452 7.46      
9 A' 1498 1425 0.02      
10 A' 1451 1380 33.82      
11 A' 1417 1348 6.04      
12 A' 1248 1187 40.08      
13 A' 1167 1110 143.07      
14 A' 1130 1074 5.14      
15 A' 1043 991 19.17      
16 A' 874 831 14.92      
17 A' 468 445 0.57      
18 A' 291 276 2.99      
19 A" 3174 3019 27.92      
20 A" 3079 2928 59.12      
21 A" 3043 2894 70.13      
22 A" 1514 1440 7.82      
23 A" 1510 1436 5.40      
24 A" 1312 1247 1.87      
25 A" 1211 1151 11.01      
26 A" 1179 1121 0.00      
27 A" 834 793 0.12      
28 A" 263 250 2.28      
29 A" 212 201 1.82      
30 A" 113 107 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 24050.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 22871.6 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 B2PLYP=FULL/6-31+G**
ABC
0.94100 0.13807 0.12921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.321 1.246 0.000
O2 0.010 0.713 0.000
C3 0.000 -0.708 0.000
C4 -1.440 -1.178 0.000
H5 1.225 2.331 0.000
H6 1.878 0.933 0.892
H7 1.878 0.933 -0.892
H8 0.532 -1.082 -0.887
H9 0.532 -1.082 0.887
H10 -1.482 -2.270 0.000
H11 -1.961 -0.810 0.885
H12 -1.961 -0.810 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41542.35883.67441.08871.09751.09752.61302.61304.49633.97273.9727
O21.41541.42112.38312.02352.08252.08252.06882.06883.33482.64332.6433
C32.35881.42111.51513.27652.64912.64911.09961.09962.15282.15402.1540
C43.67442.38311.51514.40654.03334.03332.16472.16471.09221.09081.0908
H51.08872.02353.27654.40651.78211.78213.59323.59325.33774.56074.5607
H61.09752.08252.64914.03331.78211.78363.00602.42334.72714.21694.5759
H71.09752.08252.64914.03331.78211.78362.42333.00604.72714.57594.2169
H82.61302.06881.09962.16473.59323.00602.42331.77382.50083.07062.5078
H92.61302.06881.09962.16473.59322.42333.00601.77382.50082.50783.0706
H104.49633.33482.15281.09225.33774.72714.72712.50082.50081.77281.7728
H113.97272.64332.15401.09084.56074.21694.57593.07062.50781.77281.7699
H123.97272.64332.15401.09084.56074.57594.21692.50783.07061.77281.7699

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 112.519 O2 C1 H5 107.091
O2 C1 H6 111.303 O2 C1 H7 111.303
O2 C3 C4 108.463 O2 C3 H8 109.658
O2 C3 H9 109.658 C3 C4 H10 110.264
C3 C4 H11 110.437 C3 C4 H12 110.437
C4 C3 H8 110.763 C4 C3 H9 110.763
H5 C1 H6 109.205 H5 C1 H7 109.205
H6 C1 H7 108.690 H8 C3 H9 107.527
H10 C4 H11 108.599 H10 C4 H12 108.599
H11 C4 H12 108.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability