return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H10O2 (1,4-Butanediol)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-308.609734
Energy at 298.15K-308.621137
Nuclear repulsion energy243.929395
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 PBEPBE/cc-pVTZ
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 3717 3692 0.00      
2 Ag 2952 2931 0.00      
3 Ag 2886 2866 0.00      
4 Ag 1471 1460 0.00      
5 Ag 1439 1429 0.00      
6 Ag 1403 1394 0.00      
7 Ag 1329 1319 0.00      
8 Ag 1230 1222 0.00      
9 Ag 1048 1041 0.00      
10 Ag 1033 1026 0.00      
11 Ag 1004 997 0.00      
12 Ag 347 345 0.00      
13 Ag 328 325 0.00      
14 Au 3008 2987 72.27      
15 Au 2910 2890 90.25      
16 Au 1276 1267 1.92      
17 Au 1172 1164 1.60      
18 Au 914 907 1.45      
19 Au 735 730 1.28      
20 Au 256 254 205.08      
21 Au 92 91 14.20      
22 Au 77 76 2.16      
23 Bg 2983 2962 0.00      
24 Bg 2911 2891 0.00      
25 Bg 1269 1261 0.00      
26 Bg 1240 1231 0.00      
27 Bg 1134 1126 0.00      
28 Bg 788 783 0.00      
29 Bg 253 252 0.00      
30 Bg 147 146 0.00      
31 Bu 3717 3691 36.33      
32 Bu 2961 2941 65.29      
33 Bu 2886 2866 116.34      
34 Bu 1476 1466 4.90      
35 Bu 1449 1439 3.25      
36 Bu 1406 1397 9.20      
37 Bu 1264 1255 77.70      
38 Bu 1171 1163 24.73      
39 Bu 1034 1027 212.40      
40 Bu 969 963 0.51      
41 Bu 506 503 36.76      
42 Bu 134 133 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 30161.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 29953.8 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 PBEPBE/cc-pVTZ
ABC
0.57102 0.03803 0.03664

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.503 2.667 0.000
O2 -1.503 -2.667 0.000
C3 1.503 1.236 0.000
C4 -1.503 -1.236 0.000
C5 0.059 0.762 0.000
C6 -0.059 -0.762 0.000
H7 2.427 2.962 0.000
H8 -2.427 -2.962 0.000
H9 -0.446 1.185 0.884
H10 -0.446 1.185 -0.884
H11 0.446 -1.185 0.884
H12 0.446 -1.185 -0.884
H13 -2.025 -0.838 -0.892
H14 -2.025 -0.838 0.892
H15 2.025 0.838 -0.892
H16 2.025 0.838 0.892

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.12251.43034.92692.39053.76790.97016.86572.60322.60324.09104.09105.05225.05222.10082.1008
O26.12254.92691.43033.76792.39056.86570.97014.09104.09102.60322.60322.10082.10085.05225.0522
C31.43034.92693.89301.52072.53651.95785.75162.14132.14132.78612.78614.18894.18891.10771.1077
C44.92691.43033.89302.53651.52075.75161.95782.78612.78612.14132.14131.10771.10774.18894.1889
C52.39053.76791.52072.53651.52893.23304.47801.10211.10212.17352.17352.77432.77432.16062.1606
C63.76792.39052.53651.52071.52894.47803.23302.17352.17351.10211.10212.16062.16062.77432.7743
H70.97016.86571.95785.75163.23304.47807.65983.49243.49244.68074.68075.92115.92112.33952.3395
H86.86570.97015.75161.95784.47803.23307.65984.68074.68073.49243.49242.33952.33955.92115.9211
H92.60324.09102.14132.78611.10212.17353.49244.68071.76702.53333.08873.12052.56603.06302.4957
H102.60324.09102.14132.78611.10212.17353.49244.68071.76703.08872.53332.56603.12052.49573.0630
H114.09102.60322.78612.14132.17351.10214.68073.49242.53333.08871.76703.06302.49573.12052.5660
H124.09102.60322.78612.14132.17351.10214.68073.49243.08872.53331.76702.49573.06302.56603.1205
H135.05222.10084.18891.10772.77432.16065.92112.33953.12052.56603.06302.49571.78454.38264.7320
H145.05222.10084.18891.10772.77432.16065.92112.33952.56603.12052.49573.06301.78454.73204.3826
H152.10085.05221.10774.18892.16062.77432.33955.92113.06302.49573.12052.56604.38264.73201.7845
H162.10085.05221.10774.18892.16062.77432.33955.92112.49573.06302.56603.12054.73204.38261.7845

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 108.166 O1 C3 H15 111.097
O1 C3 H16 111.097 O2 C4 C6 108.166
O2 C4 H13 111.097 O2 C4 H14 111.097
C3 O1 H7 107.753 C3 C5 C6 112.564
C3 C5 H9 108.400 C3 C5 H10 108.400
C4 O2 H8 107.753 C4 C6 C5 112.564
C4 C6 H11 108.400 C4 C6 H12 108.400
C5 C3 H15 109.576 C5 C3 H16 109.576
C5 C6 H11 110.348 C5 C6 H12 110.348
C6 C4 H13 109.576 C6 C4 H14 109.576
C6 C5 H9 110.348 C6 C5 H10 110.348
H9 C5 H10 106.573 H11 C6 H12 106.573
H13 C4 H14 107.318 H15 C3 H16 107.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.306      
2 O -0.306      
3 C 0.016      
4 C 0.016      
5 C -0.153      
6 C -0.153      
7 H 0.188      
8 H 0.188      
9 H 0.082      
10 H 0.082      
11 H 0.082      
12 H 0.082      
13 H 0.045      
14 H 0.045      
15 H 0.045      
16 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.823 6.408 0.000
y 6.408 -44.348 0.000
z 0.000 0.000 -38.753
Traceless
 xyz
x 13.727 6.408 0.000
y 6.408 -11.060 0.000
z 0.000 0.000 -2.667
Polar
3z2-r2-5.334
x2-y216.525
xy6.408
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.635 1.376 0.000
y 1.376 10.043 0.000
z 0.000 0.000 7.599


<r2> (average value of r2) Å2
<r2> 286.782
(<r2>)1/2 16.935