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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-307.940937
Energy at 298.15K-307.952654
HF Energy-306.999639
Nuclear repulsion energy252.612830
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/cc-pVDZ
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 3194 3043 0.00      
2 Ag 3033 2889 0.00      
3 Ag 3024 2880 0.00      
4 Ag 1531 1458 0.00      
5 Ag 1509 1438 0.00      
6 Ag 1488 1417 0.00      
7 Ag 1451 1382 0.00      
8 Ag 1251 1191 0.00      
9 Ag 1198 1141 0.00      
10 Ag 1107 1054 0.00      
11 Ag 1045 995 0.00      
12 Ag 405 386 0.00      
13 Ag 338 322 0.00      
14 Au 3101 2954 60.70      
15 Au 3093 2946 174.33      
16 Au 1487 1417 11.38      
17 Au 1237 1178 13.39      
18 Au 1183 1127 4.21      
19 Au 846 806 0.69      
20 Au 251 239 8.71      
21 Au 105 100 5.99      
22 Au 71 68 3.54      
23 Bg 3101 2953 0.00      
24 Bg 3070 2924 0.00      
25 Bg 1487 1417 0.00      
26 Bg 1295 1234 0.00      
27 Bg 1201 1144 0.00      
28 Bg 1162 1107 0.00      
29 Bg 232 221 0.00      
30 Bg 126 120 0.00      
31 Bu 3194 3043 55.47      
32 Bu 3033 2889 142.44      
33 Bu 3024 2880 64.65      
34 Bu 1537 1464 1.37      
35 Bu 1508 1437 24.09      
36 Bu 1477 1407 7.15      
37 Bu 1355 1291 35.39      
38 Bu 1233 1175 224.69      
39 Bu 1187 1130 148.35      
40 Bu 997 950 58.90      
41 Bu 511 487 4.15      
42 Bu 145 139 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 31410.4 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 29918.4 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/cc-pVDZ
ABC
0.61872 0.04333 0.04180

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.433 1.738 0.000
O2 -0.433 -1.738 0.000
C3 0.295 -2.948 0.000
C4 -0.295 2.948 0.000
C5 -0.433 0.623 0.000
C6 0.433 -0.623 0.000
H7 0.434 3.772 0.000
H8 -0.434 -3.772 0.000
H9 0.940 -3.038 0.897
H10 0.940 -3.038 -0.897
H11 -0.940 3.038 0.897
H12 -0.940 3.038 -0.897
H13 -1.089 0.618 0.895
H14 -1.089 0.618 -0.895
H15 1.089 -0.618 0.895
H16 1.089 -0.618 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.58324.68861.41221.41272.36112.03345.57804.88594.88592.09272.09272.09132.09132.60492.6049
O23.58321.41224.68862.36111.41275.57802.03342.09272.09274.88594.88592.60492.60492.09132.0913
C34.68861.41225.92593.64452.32966.72141.09971.10861.10866.17756.17753.92903.92902.61922.6192
C41.41224.68865.92592.32963.64451.09976.72146.17756.17751.10861.10862.61922.61923.92903.9290
C51.41272.36113.64452.32961.51733.26624.39464.01124.01122.62562.62561.10971.10972.15852.1585
C62.36111.41272.32963.64451.51734.39463.26622.62562.62564.01124.01122.15852.15851.10971.1097
H72.03345.57806.72141.09973.26624.39467.59336.88706.88701.79751.79753.61453.61454.52824.5282
H85.57802.03341.09976.72144.39463.26627.59331.79751.79756.88706.88704.52824.52823.61453.6145
H94.88592.09271.10866.17754.01122.62566.88701.79751.79466.35956.60794.18124.54932.42393.0148
H104.88592.09271.10866.17754.01122.62566.88701.79751.79466.60796.35954.54934.18123.01482.4239
H112.09274.88596.17751.10862.62564.01121.79756.88706.35956.60791.79462.42393.01484.18124.5493
H122.09274.88596.17751.10862.62564.01121.79756.88706.60796.35951.79463.01482.42394.54934.1812
H132.09132.60493.92902.61921.10972.15853.61454.52824.18124.54932.42393.01481.79072.50443.0787
H142.09132.60493.92902.61921.10972.15853.61454.52824.54934.18123.01482.42391.79073.07872.5044
H152.60492.09132.61923.92902.15851.10974.52823.61452.42393.01484.18124.54932.50443.07871.7907
H162.60492.09132.61923.92902.15851.10974.52823.61453.01482.42394.54934.18123.07872.50441.7907

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 107.443 O1 C4 H11 111.666
O1 C4 H12 111.666 O1 C5 C6 107.327
O1 C5 H13 111.445 O1 C5 H14 111.445
O2 C3 H8 107.443 O2 C3 H9 111.666
O2 C3 H10 111.666 O2 C6 C5 107.327
O2 C6 H15 111.445 O2 C6 H16 111.445
C3 O2 C6 111.103 C4 O1 C5 111.103
C5 C6 H15 109.520 C5 C6 H16 109.520
C6 C5 H13 109.520 C6 C5 H14 109.520
H7 C4 H11 108.967 H7 C4 H12 108.967
H8 C3 H9 108.967 H8 C3 H10 108.967
H9 C3 H10 108.074 H11 C4 H12 108.074
H13 C5 H14 107.572 H15 C6 H16 107.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability