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

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 C1 1A
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-307.902256
Energy at 298.15K-307.914130
HF Energy-306.994121
Nuclear repulsion energy256.394016
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 A 3781 3563 23.22      
2 A 3761 3543 18.78      
3 A 3208 3022 20.93      
4 A 3185 3001 26.34      
5 A 3177 2993 24.65      
6 A 3137 2956 24.56      
7 A 3116 2936 14.12      
8 A 3099 2920 15.24      
9 A 3056 2880 68.98      
10 A 3039 2863 36.53      
11 A 1594 1502 2.71      
12 A 1561 1471 4.03      
13 A 1558 1468 5.49      
14 A 1544 1455 2.00      
15 A 1506 1419 20.70      
16 A 1479 1393 11.82      
17 A 1463 1379 10.34      
18 A 1428 1346 7.19      
19 A 1361 1282 21.82      
20 A 1357 1278 6.95      
21 A 1326 1250 33.95      
22 A 1283 1209 61.89      
23 A 1247 1175 5.21      
24 A 1194 1125 16.12      
25 A 1171 1103 50.38      
26 A 1128 1062 9.01      
27 A 1096 1033 87.70      
28 A 1068 1007 6.51      
29 A 1021 962 6.45      
30 A 982 925 9.69      
31 A 885 834 15.94      
32 A 828 780 6.00      
33 A 516 486 19.90      
34 A 493 464 6.19      
35 A 405 382 9.66      
36 A 345 325 7.47      
37 A 326 307 140.21      
38 A 291 274 110.91      
39 A 268 253 0.53      
40 A 187 176 4.49      
41 A 126 119 8.08      
42 A 95 90 7.22      

Unscaled Zero Point Vibrational Energy (zpe) 31845.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 30005.2 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
0.25270 0.05956 0.05132

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.141 1.321 -0.263
H2 1.982 1.706 0.038
O3 -2.659 -0.363 -0.150
H4 -3.413 0.234 -0.016
C5 2.199 -0.860 -0.050
H6 2.240 -0.959 -1.138
H7 3.144 -0.426 0.293
H8 2.106 -1.856 0.393
C9 1.025 0.023 0.338
H10 0.995 0.128 1.435
C11 -0.301 -0.540 -0.135
H12 -0.461 -1.525 0.317
H13 -0.268 -0.676 -1.221
C14 -1.475 0.350 0.218
H15 -1.467 0.570 1.296
H16 -1.396 1.301 -0.320

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.97274.15774.68812.43292.67722.71553.38381.43412.08002.35733.31622.62442.83173.12992.5382
H20.97275.08455.59212.57662.92382.44193.58141.95882.32723.20714.05963.50973.71813.84313.4213
O34.15775.08450.97114.88405.03285.82035.02263.73574.01282.36422.52962.63871.42962.09302.0957
H44.68815.59210.97115.71745.88516.59755.91544.45654.64173.20853.45233.48871.95472.37022.3015
C52.43292.57664.88405.71741.09281.09541.09381.51962.15152.52192.76592.73673.87764.15924.2034
H62.67722.92385.03285.88511.09281.77451.77932.14883.05722.76373.11942.52514.16574.69094.3586
H72.71552.44195.82036.59751.09541.77451.76942.16722.49573.47393.76863.74144.68514.82354.8968
H83.38383.58145.02265.91541.09381.77931.76942.16872.50042.79392.58913.10384.20984.41254.7687
C91.43411.95883.73574.45651.51962.14882.16722.16871.10251.51612.14552.14212.52432.72552.8155
H102.08002.32724.01284.64172.15153.05722.49572.50041.10252.14242.46933.04852.76322.50593.1900
C112.35733.20712.36423.20852.52192.76373.47392.79391.51612.14241.09551.09501.51482.15412.1499
H123.31624.05962.52963.45232.76593.11943.76862.58912.14552.46931.09551.76772.13392.52193.0440
H132.62443.50972.63873.48872.73672.52513.74143.10382.14213.04851.09501.76772.14003.05402.4480
C142.83173.71811.42961.95473.87764.16574.68514.20982.52432.76321.51482.13392.14001.10081.0953
H153.12993.84312.09302.37024.15924.69094.82354.41252.72552.50592.15412.52193.05401.10081.7749
H162.53823.42132.09572.30154.20344.35864.89684.76872.81553.19002.14993.04402.44801.09531.7749

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 110.877 O1 C9 H10 109.471
O1 C9 C11 106.042 H2 O1 C9 107.399
O3 C14 C11 106.796 O3 C14 H15 110.949
O3 C14 H16 111.520 H4 O3 C14 107.489
C5 C9 H10 109.238 C5 C9 C11 112.355
H6 C5 H7 108.377 H6 C5 H8 108.924
H6 C5 C9 109.595 H7 C5 H8 107.852
H7 C5 C9 110.905 H8 C5 C9 111.115
C9 C11 H12 109.420 C9 C11 H13 109.183
C9 C11 C14 112.786 H10 C9 C11 108.776
C11 C14 H15 109.874 C11 C14 H16 109.866
H12 C11 H13 107.605 H12 C11 C14 108.606
H13 C11 C14 109.108 H15 C14 H16 107.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability