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: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-308.826368
Energy at 298.15K-308.838043
Nuclear repulsion energy245.267398
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3826 3683 0.00      
2 Ag 3033 2920 0.00      
3 Ag 2973 2863 0.00      
4 Ag 1537 1480 0.00      
5 Ag 1501 1445 0.00      
6 Ag 1475 1420 0.00      
7 Ag 1394 1342 0.00      
8 Ag 1281 1233 0.00      
9 Ag 1096 1055 0.00      
10 Ag 1077 1037 0.00      
11 Ag 1047 1008 0.00      
12 Ag 361 348 0.00      
13 Ag 339 327 0.00      
14 Au 3092 2976 98.20      
15 Au 3001 2889 110.78      
16 Au 1337 1287 1.83      
17 Au 1228 1182 3.27      
18 Au 955 919 3.39      
19 Au 760 731 0.86      
20 Au 302 291 281.57      
21 Au 97 93 18.67      
22 Au 79 76 2.20      
23 Bg 3067 2952 0.00      
24 Bg 3002 2890 0.00      
25 Bg 1331 1282 0.00      
26 Bg 1298 1249 0.00      
27 Bg 1181 1137 0.00      
28 Bg 821 791 0.00      
29 Bg 298 287 0.00      
30 Bg 156 150 0.00      
31 Bu 3826 3683 21.34      
32 Bu 3042 2928 78.52      
33 Bu 2973 2862 127.77      
34 Bu 1541 1483 6.29      
35 Bu 1510 1454 4.03      
36 Bu 1474 1419 7.76      
37 Bu 1321 1271 106.14      
38 Bu 1219 1174 47.02      
39 Bu 1090 1050 206.04      
40 Bu 1006 969 1.82      
41 Bu 524 504 43.16      
42 Bu 136 131 7.08      

Unscaled Zero Point Vibrational Energy (zpe) 31302.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 30134.8 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 B3PW91/6-311G*
ABC
0.57685 0.03841 0.03700

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.274 2.763 0.000
O2 -1.274 -2.763 0.000
C3 1.395 1.350 0.000
C4 -1.395 -1.350 0.000
C5 0.000 0.762 0.000
C6 0.000 -0.762 0.000
H7 2.156 3.144 0.000
H8 -2.156 -3.144 0.000
H9 -0.532 1.147 0.878
H10 -0.532 1.147 -0.878
H11 0.532 -1.147 0.878
H12 0.532 -1.147 -0.878
H13 -1.947 -1.002 -0.888
H14 -1.947 -1.002 0.888
H15 1.947 1.002 -0.888
H16 1.947 1.002 0.888

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.08481.41794.90332.37173.74820.96116.83042.57792.57794.07504.07505.03325.03322.08382.0838
O26.08484.90331.41793.74822.37176.83040.96114.07504.07502.57792.57792.08382.08385.03325.0332
C31.41794.90333.88351.51432.53181.94835.72812.12822.12822.78402.78404.18224.18221.10141.1014
C44.90331.41793.88352.53181.51435.72811.94832.78402.78402.12822.12821.10141.10144.18224.1822
C52.37173.74821.51432.53181.52453.21264.46171.09651.09652.16762.16762.77302.77302.15292.1529
C63.74822.37172.53181.51431.52454.46173.21262.16762.16761.09651.09652.15292.15292.77302.7730
H70.96116.83041.94835.72813.21264.46177.62443.46243.46244.67084.67085.89995.89992.32812.3281
H86.83040.96115.72811.94834.46173.21267.62444.67084.67083.46243.46242.32812.32815.89995.8999
H92.57794.07502.12822.78401.09652.16763.46244.67081.75612.52853.07853.11992.57233.04712.4835
H102.57794.07502.12822.78401.09652.16763.46244.67081.75613.07852.52852.57233.11992.48353.0471
H114.07502.57792.78402.12822.16761.09654.67083.46242.52853.07851.75613.04712.48353.11992.5723
H124.07502.57792.78402.12822.16761.09654.67083.46243.07852.52851.75612.48353.04712.57233.1199
H135.03322.08384.18221.10142.77302.15295.89992.32813.11992.57233.04712.48351.77514.37894.7250
H145.03322.08384.18221.10142.77302.15295.89992.32812.57233.11992.48353.04711.77514.72504.3789
H152.08385.03321.10144.18222.15292.77302.32815.89993.04712.48353.11992.57234.37894.72501.7751
H162.08385.03321.10144.18222.15292.77302.32815.89992.48353.04712.57233.11994.72504.37891.7751

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 107.926 O1 C3 H15 110.986
O1 C3 H16 110.986 O2 C4 C6 107.926
O2 C4 H13 110.986 O2 C4 H14 110.986
C3 O1 H7 108.431 C3 C5 C6 112.851
C3 C5 H9 108.140 C3 C5 H10 108.140
C4 O2 H8 108.431 C4 C6 C5 112.851
C4 C6 H11 108.140 C4 C6 H12 108.140
C5 C3 H15 109.782 C5 C3 H16 109.782
C5 C6 H11 110.525 C5 C6 H12 110.525
C6 C4 H13 109.782 C6 C4 H14 109.782
C6 C5 H9 110.525 C6 C5 H10 110.525
H9 C5 H10 106.410 H11 C6 H12 106.410
H13 C4 H14 107.381 H15 C3 H16 107.381
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.577      
2 O -0.577      
3 C -0.172      
4 C -0.172      
5 C -0.467      
6 C -0.467      
7 H 0.390      
8 H 0.390      
9 H 0.223      
10 H 0.223      
11 H 0.223      
12 H 0.223      
13 H 0.190      
14 H 0.190      
15 H 0.190      
16 H 0.190      


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 -27.324 8.809 0.000
y 8.809 -43.196 0.000
z 0.000 0.000 -38.233
Traceless
 xyz
x 13.391 8.809 0.000
y 8.809 -10.418 0.000
z 0.000 0.000 -2.973
Polar
3z2-r2-5.946
x2-y215.872
xy8.809
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 283.826
(<r2>)1/2 16.847