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

using model chemistry: MP2=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-307.876785
Energy at 298.15K-307.888533
HF Energy-306.977404
Nuclear repulsion energy252.857974
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3218 3032 0.00      
2 Ag 3064 2887 0.00      
3 Ag 3054 2878 0.00      
4 Ag 1592 1500 0.00      
5 Ag 1570 1480 0.00      
6 Ag 1536 1447 0.00      
7 Ag 1492 1406 0.00      
8 Ag 1272 1199 0.00      
9 Ag 1201 1131 0.00      
10 Ag 1125 1060 0.00      
11 Ag 1043 983 0.00      
12 Ag 406 383 0.00      
13 Ag 342 322 0.00      
14 Au 3130 2949 71.60      
15 Au 3119 2939 134.36      
16 Au 1553 1463 10.79      
17 Au 1269 1195 12.25      
18 Au 1208 1138 2.56      
19 Au 866 816 0.47      
20 Au 253 238 10.41      
21 Au 109 103 6.83      
22 Au 73 69 5.34      
23 Bg 3130 2949 0.00      
24 Bg 3097 2918 0.00      
25 Bg 1553 1463 0.00      
26 Bg 1333 1256 0.00      
27 Bg 1228 1157 0.00      
28 Bg 1189 1121 0.00      
29 Bg 235 221 0.00      
30 Bg 129 121 0.00      
31 Bu 3218 3032 52.03      
32 Bu 3064 2887 121.43      
33 Bu 3057 2880 52.71      
34 Bu 1599 1506 2.33      
35 Bu 1571 1480 19.51      
36 Bu 1528 1440 7.74      
37 Bu 1392 1312 28.14      
38 Bu 1252 1180 138.12      
39 Bu 1197 1127 209.66      
40 Bu 990 933 59.86      
41 Bu 519 489 4.90      
42 Bu 150 142 4.88      

Unscaled Zero Point Vibrational Energy (zpe) 31962.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 30114.9 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 MP2=FULL/6-31G*
ABC
0.62384 0.04330 0.04177

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.355 1.170 0.000
O2 -1.355 -1.170 0.000
C3 -1.466 -2.581 0.000
C4 1.466 2.581 0.000
C5 0.000 0.756 0.000
C6 0.000 -0.756 0.000
H7 2.531 2.814 0.000
H8 -2.531 -2.814 0.000
H9 -0.998 -3.020 0.892
H10 -0.998 -3.020 -0.892
H11 0.998 3.020 0.892
H12 0.998 3.020 -0.892
H13 -0.530 1.128 0.889
H14 -0.530 1.128 -0.889
H15 0.530 -1.128 0.889
H16 0.530 -1.128 -0.889

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.57924.69281.41611.41642.35412.02225.56494.88674.88672.08452.08452.08382.08382.59822.5982
O23.57921.41614.69282.35411.41645.56492.02222.08452.08454.88674.88672.59822.59822.08382.0838
C34.69281.41615.93673.64472.34116.71461.09031.09831.09836.18346.18343.92763.92762.62372.6237
C41.41614.69285.93672.34113.64471.09036.71466.18346.18341.09831.09832.62372.62373.92763.9276
C51.41642.35413.64472.34111.51163.26234.37624.00564.00562.62992.62991.09991.09992.14952.1495
C62.35411.41642.34113.64471.51164.37623.26232.62992.62994.00564.00562.14952.14951.09991.0999
H72.02225.56496.71461.09033.26234.37627.56996.87646.87641.78501.78503.60563.60564.50994.5099
H85.56492.02221.09036.71464.37623.26237.56991.78501.78506.87646.87644.50994.50993.60563.6056
H94.88672.08451.09836.18344.00562.62996.87641.78501.78386.36056.60594.17404.53812.43143.0139
H104.88672.08451.09836.18344.00562.62996.87641.78501.78386.60596.36054.53814.17403.01392.4314
H112.08454.88676.18341.09832.62994.00561.78506.87646.36056.60591.78382.43143.01394.17404.5381
H122.08454.88676.18341.09832.62994.00561.78506.87646.60596.36051.78383.01392.43144.53814.1740
H132.08382.59823.92762.62371.09992.14953.60564.50994.17404.53812.43143.01391.77842.49243.0618
H142.08382.59823.92762.62371.09992.14953.60564.50994.53814.17403.01392.43141.77843.06182.4924
H152.59822.08382.62373.92762.14951.09994.50993.60562.43143.01394.17404.53812.49243.06181.7784
H162.59822.08382.62373.92762.14951.09994.50993.60563.01392.43144.53814.17403.06182.49241.7784

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 106.854 O1 C4 H11 111.372
O1 C4 H12 111.372 O1 C5 C6 106.986
O1 C5 H13 111.199 O1 C5 H14 111.199
O2 C3 H8 106.854 O2 C3 H9 111.372
O2 C3 H10 111.372 O2 C6 C5 106.986
O2 C6 H15 111.199 O2 C6 H16 111.199
C3 O2 C6 111.489 C4 O1 C5 111.489
C5 C6 H15 109.786 C5 C6 H16 109.786
C6 C5 H13 109.786 C6 C5 H14 109.786
H7 C4 H11 109.300 H7 C4 H12 109.300
H8 C3 H9 109.300 H8 C3 H10 109.300
H9 C3 H10 108.601 H11 C4 H12 108.601
H13 C5 H14 107.888 H15 C6 H16 107.888
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability