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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-60.064949
Energy at 298.15K-60.076665
HF Energy-59.162691
Nuclear repulsion energy146.986351
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/CEP-121G*
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 3792 3613 20.66      
2 A 3774 3596 15.68      
3 A 3170 3021 36.74      
4 A 3152 3003 35.64      
5 A 3147 2999 34.49      
6 A 3124 2977 14.65      
7 A 3082 2936 21.10      
8 A 3056 2911 21.95      
9 A 3041 2897 78.83      
10 A 3027 2885 36.47      
11 A 1563 1489 2.55      
12 A 1532 1460 6.37      
13 A 1530 1458 5.44      
14 A 1518 1446 1.77      
15 A 1483 1413 21.76      
16 A 1454 1385 12.49      
17 A 1439 1371 7.95      
18 A 1396 1330 9.11      
19 A 1338 1275 17.19      
20 A 1331 1269 13.04      
21 A 1303 1241 34.63      
22 A 1263 1204 64.41      
23 A 1218 1161 5.24      
24 A 1169 1113 4.36      
25 A 1149 1095 64.57      
26 A 1103 1051 3.40      
27 A 1074 1023 86.56      
28 A 1038 989 16.17      
29 A 996 949 7.55      
30 A 962 916 8.70      
31 A 862 822 18.22      
32 A 806 768 7.12      
33 A 503 479 21.36      
34 A 482 459 6.73      
35 A 396 377 9.35      
36 A 337 321 7.12      
37 A 313 298 136.55      
38 A 262 250 115.00      
39 A 251 240 3.07      
40 A 181 173 5.00      
41 A 120 114 10.78      
42 A 92 88 5.80      

Unscaled Zero Point Vibrational Energy (zpe) 31414.7 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 29931.9 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/CEP-121G*
ABC
0.24913 0.05873 0.05052

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.137 1.336 -0.263
H2 2.001 1.701 -0.001
O3 -2.685 -0.391 -0.133
H4 -3.435 0.222 -0.046
C5 2.217 -0.858 -0.046
H6 2.264 -0.950 -1.136
H7 3.160 -0.422 0.308
H8 2.122 -1.857 0.394
C9 1.026 0.023 0.343
H10 0.994 0.133 1.441
C11 -0.304 -0.553 -0.139
H12 -0.466 -1.529 0.336
H13 -0.261 -0.706 -1.225
C14 -1.487 0.352 0.197
H15 -1.472 0.605 1.269
H16 -1.427 1.280 -0.383

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.97384.19574.71102.45442.69422.74003.40491.45092.09092.37943.33702.65492.84003.11332.5671
H20.97385.13285.63382.56782.89592.43803.58121.97112.35593.22694.07783.52253.74483.85723.4743
O34.19575.13280.97254.92445.08085.86115.05243.76364.03492.38602.53752.67661.44732.10342.1066
H44.71105.63380.97255.75405.92016.63575.94894.48224.67263.22673.46813.51031.96742.39312.2953
C52.45442.56784.92445.75401.09501.09751.09601.53132.16502.54102.79162.74843.90394.18074.2378
H62.69422.89595.08085.92011.09501.77941.78462.16103.07052.78383.15542.53934.18894.70824.3781
H72.74002.43805.86116.63571.09751.77941.77302.18022.50643.49523.79093.75964.71224.84104.9407
H83.40493.58125.05245.94891.09601.78461.77302.17602.51482.80502.60863.10234.23554.44294.7995
C91.45091.97113.76364.48221.53132.16102.18022.17601.10341.52752.15232.15552.53852.72712.8502
H102.09092.35594.03494.67262.16503.07052.50642.51481.10342.15692.47233.06332.78392.51693.2406
C112.37943.22692.38603.22672.54102.78383.49522.80501.52752.15691.09731.09691.52702.16542.1637
H123.33704.07782.53753.46812.79163.15543.79092.60862.15232.47231.09731.77622.14502.53703.0549
H132.65493.52252.67663.51032.74842.53933.75963.10232.15553.06331.09691.77622.15463.06632.4518
C142.84003.74481.44731.96743.90394.18894.71224.23552.53852.78391.52702.14502.15461.10161.0961
H153.11333.85722.10342.39314.18074.70824.84104.44292.72712.51692.16542.53703.06631.10161.7854
H162.56713.47432.10662.29534.23784.37814.94074.79952.85023.24062.16373.05492.45181.09611.7854

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 110.746 O1 C9 H10 109.135
O1 C9 C11 106.017 H2 O1 C9 107.122
O3 C14 C11 106.652 O3 C14 H15 110.493
O3 C14 H16 111.089 H4 O3 C14 107.159
C5 C9 H10 109.439 C5 C9 C11 112.341
H6 C5 H7 108.502 H6 C5 H8 109.075
H6 C5 C9 109.615 H7 C5 H8 107.863
H7 C5 C9 110.984 H8 C5 C9 110.741
C9 C11 H12 109.063 C9 C11 H13 109.338
C9 C11 C14 112.415 H10 C9 C11 109.068
C11 C14 H15 109.873 C11 C14 H16 110.060
H12 C11 H13 108.095 H12 C11 C14 108.532
H13 C11 C14 109.300 H15 C14 H16 108.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability