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All results from a given calculation for C4H10O2 (1,4-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 C2H 1Ag
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-60.056722
Energy at 298.15K-60.068248
HF Energy-59.158284
Nuclear repulsion energy140.842504
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 Ag 3789 3610 0.00      
2 Ag 3073 2928 0.00      
3 Ag 3034 2891 0.00      
4 Ag 1563 1489 0.00      
5 Ag 1529 1457 0.00      
6 Ag 1483 1413 0.00      
7 Ag 1400 1334 0.00      
8 Ag 1277 1217 0.00      
9 Ag 1090 1039 0.00      
10 Ag 1070 1020 0.00      
11 Ag 1051 1001 0.00      
12 Ag 363 346 0.00      
13 Ag 336 320 0.00      
14 Au 3152 3003 87.69      
15 Au 3087 2941 80.72      
16 Au 1339 1276 3.04      
17 Au 1221 1163 2.40      
18 Au 955 910 2.59      
19 Au 751 716 0.14      
20 Au 265 253 269.67      
21 Au 88 84 8.39      
22 Au 72 68 20.09      
23 Bg 3130 2982 0.00      
24 Bg 3088 2943 0.00      
25 Bg 1338 1275 0.00      
26 Bg 1298 1237 0.00      
27 Bg 1191 1135 0.00      
28 Bg 824 785 0.00      
29 Bg 260 247 0.00      
30 Bg 146 139 0.00      
31 Bu 3789 3610 41.65      
32 Bu 3079 2934 67.34      
33 Bu 3034 2891 110.99      
34 Bu 1567 1493 5.98      
35 Bu 1538 1466 4.95      
36 Bu 1477 1408 16.30      
37 Bu 1315 1253 85.47      
38 Bu 1212 1155 54.28      
39 Bu 1083 1032 192.76      
40 Bu 1005 957 3.22      
41 Bu 517 492 43.67      
42 Bu 138 131 7.96      

Unscaled Zero Point Vibrational Energy (zpe) 31509.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 30022.3 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
0.56391 0.03791 0.03650

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.297 2.779 0.000
O2 -1.297 -2.779 0.000
C3 1.416 1.339 0.000
C4 -1.416 -1.339 0.000
C5 0.000 0.769 0.000
C6 0.000 -0.769 0.000
H7 2.199 3.145 0.000
H8 -2.199 -3.145 0.000
H9 -0.524 1.150 0.885
H10 -0.524 1.150 -0.885
H11 0.524 -1.150 0.885
H12 0.524 -1.150 -0.885
H13 -1.959 -0.995 -0.893
H14 -1.959 -0.995 0.893
H15 1.959 0.995 -0.893
H16 1.959 0.995 0.893

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.13431.44484.93182.39283.77770.97276.87862.59912.59914.10154.10155.06375.06372.10242.1024
O26.13434.93181.44483.77772.39286.87860.97274.10154.10152.59912.59912.10242.10245.06375.0637
C31.44484.93183.89751.52622.53921.96785.75932.14052.14052.78862.78864.19894.19891.10071.1007
C44.93181.44483.89752.53921.52625.75931.96782.78862.78862.14052.14051.10071.10074.19894.1989
C52.39283.77771.52622.53921.53743.23724.48871.09721.09722.17732.17732.78272.78272.16452.1645
C63.77772.39282.53921.52621.53744.48873.23722.17732.17731.09721.09722.16452.16452.78272.7827
H70.97276.87861.96785.75933.23724.48877.67413.48933.48934.69394.69395.93425.93422.34042.3404
H86.87860.97275.75931.96784.48873.23727.67414.69394.69393.48933.48932.34042.34045.93425.9342
H92.59914.10152.14052.78861.09722.17733.48934.69391.77062.52793.08633.13382.58033.05792.4876
H102.59914.10152.14052.78861.09722.17733.48934.69391.77063.08632.52792.58033.13382.48763.0579
H114.10152.59912.78862.14052.17731.09724.69393.48932.52793.08631.77063.05792.48763.13382.5803
H124.10152.59912.78862.14052.17731.09724.69393.48933.08632.52791.77062.48763.05792.58033.1338
H135.06372.10244.19891.10072.78272.16455.93422.34043.13382.58033.05792.48761.78624.39344.7427
H145.06372.10244.19891.10072.78272.16455.93422.34042.58033.13382.48763.05791.78624.74274.3934
H152.10245.06371.10074.19892.16452.78272.34045.93423.05792.48763.13382.58034.39344.74271.7862
H162.10245.06371.10074.19892.16452.78272.34045.93422.48763.05792.58033.13384.74274.39341.7862

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 107.260 O1 C3 H15 110.644
O1 C3 H16 110.644 O2 C4 C6 107.260
O2 C4 H13 110.644 O2 C4 H14 110.644
C3 O1 H7 107.360 C3 C5 C6 111.956
C3 C5 H9 108.242 C3 C5 H10 108.242
C4 O2 H8 107.360 C4 C6 C5 111.956
C4 C6 H11 108.242 C4 C6 H12 108.242
C5 C3 H15 109.909 C5 C3 H16 109.909
C5 C6 H11 110.343 C5 C6 H12 110.343
C6 C4 H13 109.909 C6 C4 H14 109.909
C6 C5 H9 110.343 C6 C5 H10 110.343
H9 C5 H10 107.577 H11 C6 H12 107.577
H13 C4 H14 108.472 H15 C3 H16 108.472
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability