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All results from a given calculation for C4H10O2 (1,3-Butanediol)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-307.481061
Energy at 298.15K-307.492810
HF Energy-306.866944
Nuclear repulsion energy252.332179
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 A 3648 3490 4.98      
2 A 3629 3473 5.47      
3 A 3160 3023 31.72      
4 A 3137 3002 42.58      
5 A 3136 3000 28.74      
6 A 3113 2979 10.18      
7 A 3073 2940 16.73      
8 A 3055 2923 18.74      
9 A 3031 2900 62.61      
10 A 3010 2880 39.24      
11 A 1598 1529 2.06      
12 A 1571 1503 4.87      
13 A 1568 1501 7.17      
14 A 1557 1490 1.24      
15 A 1486 1422 5.19      
16 A 1477 1414 10.91      
17 A 1462 1399 13.92      
18 A 1418 1357 6.44      
19 A 1374 1315 7.84      
20 A 1354 1296 1.42      
21 A 1316 1260 21.64      
22 A 1269 1215 59.71      
23 A 1221 1168 3.98      
24 A 1186 1135 6.77      
25 A 1137 1088 50.00      
26 A 1112 1064 9.90      
27 A 1063 1017 35.22      
28 A 1022 978 15.59      
29 A 984 942 29.40      
30 A 963 921 29.51      
31 A 855 818 7.11      
32 A 817 782 27.46      
33 A 501 480 24.37      
34 A 481 460 5.48      
35 A 397 380 14.83      
36 A 334 319 4.61      
37 A 318 304 180.27      
38 A 275 263 144.06      
39 A 256 245 0.04      
40 A 185 177 5.88      
41 A 119 114 10.89      
42 A 93 89 8.34      

Unscaled Zero Point Vibrational Energy (zpe) 31381.0 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 30025.4 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
0.24273 0.05786 0.04967

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.160 1.352 -0.258
H2 1.997 1.774 0.030
O3 -2.706 -0.375 -0.139
H4 -3.489 0.208 -0.063
C5 2.230 -0.882 -0.059
H6 2.270 -0.961 -1.153
H7 3.179 -0.451 0.297
H8 2.132 -1.889 0.369
C9 1.041 0.001 0.349
H10 1.017 0.108 1.449
C11 -0.307 -0.545 -0.135
H12 -0.484 -1.530 0.325
H13 -0.269 -0.686 -1.224
C14 -1.480 0.373 0.213
H15 -1.476 0.616 1.289
H16 -1.411 1.310 -0.355

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.98094.23554.79152.48452.71632.76263.44101.48572.11712.40083.36812.66952.85483.14372.5728
H20.98095.17325.70582.66732.99222.53343.68112.03952.39763.27304.14213.57203.75323.87113.4605
O34.23555.17320.97944.96305.11165.90125.09523.79714.07652.40522.54632.68571.47822.12912.1362
H44.79155.70580.97945.82265.97646.71006.01574.55354.75463.27123.49283.53782.03432.45932.3705
C52.48452.66734.96305.82261.09791.10041.09901.53642.17362.56062.81742.76513.92674.21844.2602
H62.71632.99225.11165.97641.09791.78561.78852.16603.07922.80133.17692.55474.20804.74104.3974
H72.76262.53345.90126.71001.10041.78561.77992.18572.51233.51333.81873.77584.73214.87714.9587
H83.44103.68115.09526.01571.09901.78851.77992.18262.52922.83012.64183.12354.26564.48764.8284
C91.48572.03953.79714.55351.53642.16602.18572.18261.10541.53242.16082.15962.55222.75592.8671
H102.11712.39764.07654.75462.17363.07922.51232.52921.10542.16532.49013.07132.79972.54943.2552
C112.40083.27302.40523.27122.56062.80133.51332.83011.53242.16531.10071.09941.53032.17752.1701
H123.36814.14212.54633.49282.81743.17693.81872.64182.16082.49011.10071.77722.15072.55233.0633
H132.66953.57202.68573.53782.76512.55473.77583.12352.15963.07131.09941.77722.15723.07692.4580
C142.85483.75321.47822.03433.92674.20804.73214.26562.55222.79971.53032.15072.15721.10341.0977
H153.14373.87112.12912.45934.21844.74104.87714.48762.75592.54942.17752.55233.07691.10341.7862
H162.57283.46052.13622.37054.26024.39744.95874.82842.86713.25522.17013.06332.45801.09771.7862

picture of 1,3-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C9 C5 110.581 O1 C9 H10 108.694
O1 C9 C11 105.387 H2 O1 C9 109.857
O3 C14 C11 106.146 O3 C14 H15 110.276
O3 C14 H16 111.194 H4 O3 C14 110.076
C5 C9 H10 109.649 C5 C9 C11 113.104
H6 C5 H7 108.636 H6 C5 H8 108.994
H6 C5 C9 109.489 H7 C5 H8 108.044
H7 C5 C9 110.895 H8 C5 C9 110.729
C9 C11 H12 109.195 C9 C11 H13 109.178
C9 C11 C14 112.882 H10 C9 C11 109.272
C11 C14 H15 110.491 C11 C14 H16 110.249
H12 C11 H13 107.762 H12 C11 C14 108.554
H13 C11 C14 109.140 H15 C14 H16 108.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability