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All results from a given calculation for C4H10O2 (Ethane, 1,2-dimethoxy-)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-308.090139
Energy at 298.15K-308.101767
HF Energy-307.089103
Nuclear repulsion energy253.280929
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3198 3031 0.00      
2 Ag 3045 2886 0.00      
3 Ag 3038 2880 0.00      
4 Ag 1558 1477 0.00      
5 Ag 1538 1458 0.00      
6 Ag 1515 1436 0.00      
7 Ag 1482 1405 0.00      
8 Ag 1267 1201 0.00      
9 Ag 1187 1125 0.00      
10 Ag 1110 1052 0.00      
11 Ag 1037 983 0.00      
12 Ag 403 382 0.00      
13 Ag 341 323 0.00      
14 Au 3111 2949 5.96      
15 Au 3106 2944 191.26      
16 Au 1506 1428 12.43      
17 Au 1254 1189 15.51      
18 Au 1198 1135 2.41      
19 Au 862 818 0.72      
20 Au 241 229 8.66      
21 Au 86 81 4.21      
22 Au 60 57 8.58      
23 Bg 3107 2945 0.00      
24 Bg 3085 2924 0.00      
25 Bg 1506 1428 0.00      
26 Bg 1308 1240 0.00      
27 Bg 1218 1154 0.00      
28 Bg 1176 1115 0.00      
29 Bg 228 216 0.00      
30 Bg 98 93 0.00      
31 Bu 3198 3031 51.51      
32 Bu 3049 2890 113.56      
33 Bu 3038 2880 89.88      
34 Bu 1563 1482 1.32      
35 Bu 1537 1457 21.84      
36 Bu 1509 1431 3.43      
37 Bu 1388 1316 26.46      
38 Bu 1246 1181 102.53      
39 Bu 1183 1121 258.41      
40 Bu 983 932 65.98      
41 Bu 517 490 3.19      
42 Bu 150 142 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 31613.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 29966.3 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/TZVP
ABC
0.62562 0.04339 0.04186

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.434 1.746 0.000
O2 -0.434 -1.746 0.000
C3 0.303 -2.963 0.000
C4 -0.303 2.963 0.000
C5 -0.434 0.619 0.000
C6 0.434 -0.619 0.000
H7 0.423 3.773 0.000
H8 -0.423 -3.773 0.000
H9 0.931 -3.044 0.891
H10 0.931 -3.044 -0.891
H11 -0.931 3.044 0.891
H12 -0.931 3.044 -0.891
H13 -1.069 0.620 0.892
H14 -1.069 0.620 -0.892
H15 1.069 -0.620 0.892
H16 1.069 -0.620 -0.892

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.59774.71101.42311.42172.36512.02745.58494.89764.89762.08432.08432.07902.07902.60682.6068
O23.59771.42314.71102.36511.42175.58492.02742.08432.08434.89764.89762.60682.60682.07902.0790
C34.71101.42315.95763.65772.34776.73751.08721.09371.09376.19766.19763.93923.93922.62212.6221
C41.42314.71105.95762.34773.65771.08726.73756.19766.19761.09371.09372.62212.62213.93923.9392
C51.42172.36513.65772.34771.51233.26794.39254.01004.01002.63102.63101.09521.09522.14242.1424
C62.36511.42172.34773.65771.51234.39253.26792.63102.63104.01004.01002.14242.14241.09521.0952
H72.02745.58496.73751.08723.26794.39257.59346.89426.89421.77731.77733.60063.60064.52894.5289
H85.58492.02741.08726.73754.39253.26797.59341.77731.77736.89426.89424.52894.52893.60063.6006
H94.89762.08431.09376.19764.01002.63106.89421.77731.78286.36716.61204.17454.53962.42843.0130
H104.89762.08431.09376.19764.01002.63106.89421.77731.78286.61206.36714.53964.17453.01302.4284
H112.08434.89766.19761.09372.63104.01001.77736.89426.36716.61201.78282.42843.01304.17454.5396
H122.08434.89766.19761.09372.63104.01001.77736.89426.61206.36711.78283.01302.42844.53964.1745
H132.07902.60683.93922.62211.09522.14243.60064.52894.17454.53962.42843.01301.78422.47153.0482
H142.07902.60683.93922.62211.09522.14243.60064.52894.53964.17453.01302.42841.78423.04822.4715
H152.60682.07902.62213.93922.14241.09524.52893.60062.42843.01304.17454.53962.47153.04821.7842
H162.60682.07902.62213.93922.14241.09524.52893.60063.01302.42844.53964.17453.04822.47151.7842

picture of Ethane, 1,2-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H7 106.966 O1 C4 H11 111.144
O1 C4 H12 111.144 O1 C5 C6 107.396
O1 C5 H13 110.710 O1 C5 H14 110.710
O2 C3 H8 106.966 O2 C3 H9 111.144
O2 C3 H10 111.144 O2 C6 C5 107.396
O2 C6 H15 110.710 O2 C6 H16 110.710
C3 O2 C6 111.225 C4 O1 C5 111.225
C5 C6 H15 109.456 C5 C6 H16 109.456
C6 C5 H13 109.456 C6 C5 H14 109.456
H7 C4 H11 109.169 H7 C4 H12 109.169
H8 C3 H9 109.169 H8 C3 H10 109.169
H9 C3 H10 109.191 H11 C4 H12 109.191
H13 C5 H14 109.085 H15 C6 H16 109.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability