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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-193.830123
Energy at 298.15K-193.839170
HF Energy-193.145271
Nuclear repulsion energy133.973959
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 MP2=FULL/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' 3193 3024 28.08      
2 A' 3185 3016 23.10      
3 A' 3092 2929 15.47      
4 A' 3032 2871 77.43      
5 A' 3017 2858 38.95      
6 A' 1576 1493 2.35      
7 A' 1552 1470 7.38      
8 A' 1542 1460 5.86      
9 A' 1519 1438 0.24      
10 A' 1465 1387 39.13      
11 A' 1430 1354 1.31      
12 A' 1268 1201 44.44      
13 A' 1194 1131 122.72      
14 A' 1145 1084 4.85      
15 A' 1066 1010 19.92      
16 A' 895 847 11.15      
17 A' 480 455 0.63      
18 A' 298 282 2.93      
19 A" 3192 3023 24.29      
20 A" 3095 2931 58.94      
21 A" 3059 2897 71.92      
22 A" 1530 1449 9.20      
23 A" 1523 1442 7.10      
24 A" 1330 1260 1.74      
25 A" 1230 1165 10.55      
26 A" 1196 1132 0.05      
27 A" 841 797 0.17      
28 A" 279 264 2.57      
29 A" 225 213 1.70      
30 A" 113 107 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 24279.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 22995.2 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 MP2=FULL/6-311G*
ABC
0.93804 0.14022 0.13103

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.322 1.219 0.000
O2 0.007 0.714 0.000
C3 0.000 -0.698 0.000
C4 -1.440 -1.161 0.000
H5 1.249 2.306 0.000
H6 1.876 0.896 0.891
H7 1.876 0.896 -0.891
H8 0.530 -1.077 -0.887
H9 0.530 -1.077 0.887
H10 -1.494 -2.252 0.000
H11 -1.956 -0.785 0.885
H12 -1.956 -0.785 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40832.32823.64581.08911.09821.09822.58562.58564.46953.94223.9422
O21.40831.41222.36872.01832.07882.07882.06652.06653.32462.62362.6236
C32.32821.41221.51293.25252.61802.61801.10091.10092.15602.14842.1484
C43.64582.36871.51294.38704.00294.00292.16252.16251.09241.09101.0910
H51.08912.01833.25254.38701.78201.78203.57013.57015.31924.53894.5389
H61.09822.07882.61804.00291.78201.78222.97772.38844.69704.18444.5457
H71.09822.07882.61804.00291.78201.78222.38842.97774.69704.54574.1844
H82.58562.06651.10092.16253.57012.97772.38841.77452.50313.06682.5030
H92.58562.06651.10092.16253.57012.38842.97771.77452.50312.50303.0668
H104.46953.32462.15601.09245.31924.69704.69702.50312.50311.77441.7744
H113.94222.62362.14841.09104.53894.18444.54573.06682.50301.77441.7698
H123.94222.62362.14841.09104.53894.54574.18442.50303.06681.77441.7698

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 111.269 O2 C1 H5 107.138
O2 C1 H6 111.469 O2 C1 H7 111.469
O2 C3 C4 108.105 O2 C3 H8 110.011
O2 C3 H9 110.011 C3 C4 H10 110.658
C3 C4 H11 110.143 C3 C4 H12 110.143
C4 C3 H8 110.665 C4 C3 H9 110.665
H5 C1 H6 109.119 H5 C1 H7 109.119
H6 C1 H7 108.476 H8 C3 H9 107.392
H10 C4 H11 108.716 H10 C4 H12 108.716
H11 C4 H12 108.409
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability