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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-307.965662
Energy at 298.15K-307.977524
HF Energy-307.020243
Nuclear repulsion energy256.557200
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 3897 3650 21.05      
2 A 3877 3631 16.94      
3 A 3234 3029 22.85      
4 A 3213 3009 28.06      
5 A 3202 2999 25.88      
6 A 3158 2958 27.25      
7 A 3137 2938 16.01      
8 A 3121 2922 16.08      
9 A 3075 2880 73.06      
10 A 3060 2865 36.31      
11 A 1590 1489 2.97      
12 A 1557 1458 2.69      
13 A 1553 1455 4.17      
14 A 1537 1440 1.47      
15 A 1503 1407 20.52      
16 A 1473 1380 10.52      
17 A 1457 1365 8.66      
18 A 1425 1334 8.21      
19 A 1357 1271 10.93      
20 A 1351 1265 10.25      
21 A 1321 1237 30.89      
22 A 1276 1195 65.24      
23 A 1244 1165 5.09      
24 A 1191 1116 15.50      
25 A 1167 1093 48.50      
26 A 1124 1053 10.31      
27 A 1095 1026 92.00      
28 A 1067 999 6.35      
29 A 1015 951 6.55      
30 A 979 917 9.24      
31 A 883 827 15.89      
32 A 824 772 5.99      
33 A 513 481 19.36      
34 A 491 460 6.04      
35 A 402 377 9.44      
36 A 344 322 6.91      
37 A 322 302 130.32      
38 A 284 266 106.50      
39 A 266 249 0.65      
40 A 185 173 4.00      
41 A 125 117 7.66      
42 A 95 89 6.80      

Unscaled Zero Point Vibrational Energy (zpe) 31995.4 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 29963.7 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
0.25306 0.05952 0.05129

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 1.141 1.321 -0.263
H2 1.972 1.706 0.041
O3 -2.661 -0.361 -0.150
H4 -3.406 0.236 -0.019
C5 2.201 -0.859 -0.051
H6 2.243 -0.959 -1.134
H7 3.142 -0.425 0.292
H8 2.107 -1.850 0.392
C9 1.026 0.024 0.336
H10 0.997 0.125 1.431
C11 -0.301 -0.542 -0.134
H12 -0.457 -1.522 0.321
H13 -0.269 -0.680 -1.216
C14 -1.477 0.347 0.218
H15 -1.466 0.566 1.293
H16 -1.394 1.297 -0.315

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.96524.15894.68092.43382.67832.71353.37961.43322.07842.35943.31322.62722.83383.12792.5348
H20.96525.07695.57582.57672.92502.44393.57581.95192.31983.20174.04943.50673.71103.83203.4091
O34.15895.07690.96384.88845.03725.81995.02473.73864.01412.36672.53492.63851.42812.09072.0935
H44.68095.57580.96385.71325.88066.58855.90934.45114.63683.20293.44993.48061.94702.36582.2943
C52.43382.57674.88845.71321.08901.09111.08971.52032.14762.52362.76472.73703.88004.15714.1997
H62.67832.92505.03725.88061.08901.76861.77302.14723.05042.76513.11842.52844.16774.68734.3566
H72.71352.44395.81996.58851.09111.76861.76352.16372.48973.47123.76233.73804.68334.81794.8890
H83.37963.57585.02475.90931.08971.77301.76352.16492.49212.79112.58643.09894.20784.40634.7602
C91.43321.95193.73864.45111.52032.14722.16372.16491.09921.51752.14252.14082.52612.72332.8100
H102.07842.31984.01414.63682.14763.05042.48972.49211.09922.13952.46103.04232.76392.50553.1836
C112.35943.20172.36673.20292.52362.76513.47122.79111.51752.13951.09171.09141.51552.14962.1462
H123.31324.04942.53493.44992.76473.11843.76232.58642.14252.46101.09171.76262.13182.51443.0374
H132.62723.50672.63853.48062.73702.52843.73803.09892.14083.04231.09141.76262.13823.04682.4463
C142.83383.71101.42811.94703.88004.16774.68334.20782.52612.76391.51552.13182.13821.09741.0920
H153.12793.83202.09072.36584.15714.68734.81794.40632.72332.50552.14962.51443.04681.09741.7683
H162.53483.40912.09352.29434.19974.35664.88904.76022.81003.18362.14623.03742.44631.09201.7683

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 110.942 O1 C9 H10 109.608
O1 C9 C11 106.152 H2 O1 C9 107.333
O3 C14 C11 106.994 O3 C14 H15 111.072
O3 C14 H16 111.648 H4 O3 C14 107.383
C5 C9 H10 109.074 C5 C9 C11 112.351
H6 C5 H7 108.434 H6 C5 H8 108.939
H6 C5 C9 109.645 H7 C5 H8 107.923
H7 C5 C9 110.824 H8 C5 C9 111.007
C9 C11 H12 109.308 C9 C11 H13 109.195
C9 C11 C14 112.791 H10 C9 C11 108.641
C11 C14 H15 109.671 C11 C14 H16 109.720
H12 C11 H13 107.678 H12 C11 C14 108.609
H13 C11 C14 109.129 H15 C14 H16 107.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability