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All results from a given calculation for C4H10O (Ethoxy ethane)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-232.845644
Energy at 298.15K-232.856936
HF Energy-232.143125
Nuclear repulsion energy189.932782
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3208 3025 27.09      
2 A1 3117 2940 3.76      
3 A1 3043 2870 89.58      
4 A1 1603 1511 0.16      
5 A1 1566 1477 4.78      
6 A1 1501 1415 5.75      
7 A1 1452 1370 0.63      
8 A1 1216 1146 17.47      
9 A1 1095 1033 12.13      
10 A1 884 833 7.63      
11 A1 450 425 0.11      
12 A1 198 186 0.74      
13 A2 3220 3037 0.00      
14 A2 3083 2907 0.00      
15 A2 1549 1461 0.00      
16 A2 1329 1253 0.00      
17 A2 1211 1142 0.00      
18 A2 843 795 0.00      
19 A2 268 253 0.00      
20 A2 98 93 0.00      
21 B1 3220 3037 39.86      
22 B1 3080 2904 115.45      
23 B1 1549 1461 10.37      
24 B1 1335 1259 1.69      
25 B1 1244 1173 12.80      
26 B1 857 808 0.72      
27 B1 275 259 1.76      
28 B1 112 106 4.75      
29 B2 3208 3025 13.82      
30 B2 3117 2940 23.50      
31 B2 3035 2862 7.29      
32 B2 1585 1495 3.30      
33 B2 1564 1475 2.58      
34 B2 1471 1387 37.33      
35 B2 1421 1340 50.16      
36 B2 1196 1128 171.43      
37 B2 1139 1074 3.21      
38 B2 979 923 5.83      
39 B2 442 416 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 30880.5 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 29120.4 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 MP2/6-31G*
ABC
0.59561 0.07529 0.07037

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.332
C2 0.000 1.194 -0.526
C3 0.000 -1.194 -0.526
C4 0.000 2.410 0.384
C5 0.000 -2.410 0.384
H6 0.870 1.182 -1.137
H7 -0.870 1.182 -1.137
H8 0.870 -1.182 -1.137
H9 -0.870 -1.182 -1.137
H10 0.000 3.294 -0.210
H11 0.000 -3.294 -0.210
H12 -0.870 2.394 1.005
H13 0.870 2.394 1.005
H14 0.870 -2.394 1.005
H15 -0.870 -2.394 1.005

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.47031.47032.41062.41062.07652.07652.07652.07653.33873.33872.63412.63412.63412.6341
C21.47032.38801.51903.71721.06301.06302.60282.60282.12414.49952.13052.13053.99633.9963
C31.47032.38803.71721.51902.60282.60281.06301.06304.49952.12413.99633.99632.13052.1305
C42.41061.51903.71724.82002.14012.14013.99663.99661.06555.73531.06851.06854.92104.9210
C52.41063.71721.51904.82003.99663.99662.14012.14015.73531.06554.92104.92101.06851.0685
H62.07651.06302.60282.14013.99661.73922.36372.93462.46564.65333.01372.46114.16814.5164
H72.07651.06302.60282.14013.99661.73922.93462.36372.46564.65332.46113.01374.51644.1681
H82.07652.60281.06303.99662.14012.36372.93461.73924.65332.46564.51644.16812.46113.0137
H92.07652.60281.06303.99662.14012.93462.36371.73924.65332.46564.16814.51643.01372.4611
H103.33872.12414.49951.06555.73532.46562.46564.65334.65336.58891.74461.74465.88105.8810
H113.33874.49952.12415.73531.06554.65334.65332.46562.46566.58895.88105.88101.74461.7446
H122.63412.13053.99631.06854.92103.01372.46114.51644.16811.74465.88101.73945.09344.7872
H132.63412.13053.99631.06854.92102.46113.01374.16814.51641.74465.88101.73944.78725.0934
H142.63413.99632.13054.92101.06854.16814.51642.46113.01375.88101.74465.09344.78721.7394
H152.63413.99632.13054.92101.06854.51644.16813.01372.46115.88101.74464.78725.09341.7394

picture of Ethoxy ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 107.483 O1 C2 H6 109.045
O1 C2 H7 109.045 O1 C3 C5 107.483
O1 C3 H8 109.045 O1 C3 H9 109.045
C2 O1 C3 108.602 C2 C4 H10 109.284
C2 C4 H12 109.617 C2 C4 H13 109.617
C3 C5 H11 109.284 C3 C5 H14 109.617
C3 C5 H15 109.617 C4 C2 H6 110.717
C4 C2 H7 110.717 C5 C3 H8 110.717
C5 C3 H9 110.717 H6 C2 H7 109.776
H8 C3 H9 109.776 H10 C4 H12 109.674
H10 C4 H13 109.674 H11 C5 H14 109.674
H11 C5 H15 109.674 H12 C4 H13 108.962
H14 C5 H15 108.962
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability