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

using model chemistry: HF/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 HF/CEP-121G*
 hartrees
Energy at 0K-59.161554
Energy at 298.15K-59.173499
Nuclear repulsion energy141.812852
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 HF/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 4140 3740 0.00      
2 Ag 3193 2884 0.00      
3 Ag 3164 2858 0.00      
4 Ag 1666 1505 0.00      
5 Ag 1628 1470 0.00      
6 Ag 1606 1451 0.00      
7 Ag 1514 1368 0.00      
8 Ag 1367 1235 0.00      
9 Ag 1174 1060 0.00      
10 Ag 1119 1011 0.00      
11 Ag 1111 1004 0.00      
12 Ag 382 345 0.00      
13 Ag 359 324 0.00      
14 Au 3251 2937 191.80      
15 Au 3191 2883 91.90      
16 Au 1437 1298 0.99      
17 Au 1323 1195 8.35      
18 Au 1015 917 3.87      
19 Au 797 720 0.01      
20 Au 306 276 300.18      
21 Au 102 92 18.18      
22 Au 85 77 8.18      
23 Bg 3224 2912 0.00      
24 Bg 3195 2886 0.00      
25 Bg 1428 1290 0.00      
26 Bg 1397 1262 0.00      
27 Bg 1279 1155 0.00      
28 Bg 872 787 0.00      
29 Bg 300 271 0.00      
30 Bg 164 148 0.00      
31 Bu 4140 3740 73.06      
32 Bu 3196 2887 130.25      
33 Bu 3164 2858 125.92      
34 Bu 1667 1506 8.22      
35 Bu 1638 1479 5.97      
36 Bu 1596 1442 21.25      
37 Bu 1424 1286 110.59      
38 Bu 1298 1173 126.81      
39 Bu 1181 1067 208.85      
40 Bu 1047 946 0.51      
41 Bu 551 498 42.95      
42 Bu 149 134 7.98      

Unscaled Zero Point Vibrational Energy (zpe) 33417.3 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 30189.2 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 HF/CEP-121G*
ABC
0.57986 0.03806 0.03668

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.312 2.760 0.000
O2 -1.312 -2.760 0.000
C3 1.412 1.347 0.000
C4 -1.412 -1.347 0.000
C5 0.000 0.768 0.000
C6 0.000 -0.768 0.000
H7 2.180 3.136 0.000
H8 -2.180 -3.136 0.000
H9 -0.526 1.147 0.874
H10 -0.526 1.147 -0.874
H11 0.526 -1.147 0.874
H12 0.526 -1.147 -0.874
H13 -1.957 -1.006 -0.881
H14 -1.957 -1.006 0.881
H15 1.957 1.006 -0.881
H16 1.957 1.006 0.881

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.11111.41624.92782.38463.76380.94686.85272.59642.59644.07984.07985.06375.06372.06572.0657
O26.11114.92781.41623.76382.38466.85270.94684.07984.07982.59642.59642.06572.06575.06375.0637
C31.41624.92783.90291.52602.54321.94755.74512.13532.13532.78752.78754.20274.20271.09071.0907
C44.92781.41623.90292.54321.52605.74511.94752.78752.78752.13532.13531.09071.09074.20274.2027
C52.38463.76381.52602.54321.53653.21914.47221.08821.08822.17012.17012.78462.78462.15932.1593
C63.76382.38462.54321.52601.53654.47223.21912.17012.17011.08821.08822.15932.15932.78462.7846
H70.94686.85271.94755.74513.21914.47227.63983.47063.47064.67454.67455.92075.92072.31632.3163
H86.85270.94685.74511.94754.47223.21917.63984.67454.67453.47063.47062.31632.31635.92075.9207
H92.59644.07982.13532.78751.08822.17013.47064.67451.74832.52393.07033.12512.58543.04392.4867
H102.59644.07982.13532.78751.08822.17013.47064.67451.74833.07032.52392.58543.12512.48673.0439
H114.07982.59642.78752.13532.17011.08824.67453.47062.52393.07031.74833.04392.48673.12512.5854
H124.07982.59642.78752.13532.17011.08824.67453.47063.07032.52391.74832.48673.04392.58543.1251
H135.06372.06574.20271.09072.78462.15935.92072.31633.12512.58543.04392.48671.76264.40064.7405
H145.06372.06574.20271.09072.78462.15935.92072.31632.58543.12512.48673.04391.76264.74054.4006
H152.06575.06371.09074.20272.15932.78462.31635.92073.04392.48673.12512.58544.40064.74051.7626
H162.06575.06371.09074.20272.15932.78462.31635.92072.48673.04392.58543.12514.74054.40061.7626

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 108.227 O1 C3 H15 110.303
O1 C3 H16 110.303 O2 C4 C6 108.227
O2 C4 H13 110.303 O2 C4 H14 110.303
C3 O1 H7 109.401 C3 C5 C6 112.284
C3 C5 H9 108.366 C3 C5 H10 108.366
C4 O2 H8 109.401 C4 C6 C5 112.284
C4 C6 H11 108.366 C4 C6 H12 108.366
C5 C3 H15 110.101 C5 C3 H16 110.101
C5 C6 H11 110.378 C5 C6 H12 110.378
C6 C4 H13 110.101 C6 C4 H14 110.101
C6 C5 H9 110.378 C6 C5 H10 110.378
H9 C5 H10 106.889 H11 C6 H12 106.889
H13 C4 H14 107.810 H15 C3 H16 107.810
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.667      
2 O -0.667      
3 C -0.044      
4 C -0.044      
5 C -0.289      
6 C -0.289      
7 H 0.441      
8 H 0.441      
9 H 0.154      
10 H 0.154      
11 H 0.154      
12 H 0.154      
13 H 0.126      
14 H 0.126      
15 H 0.126      
16 H 0.126      


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 -26.769 8.458 0.000
y 8.458 -45.546 0.000
z 0.000 0.000 -38.370
Traceless
 xyz
x 15.189 8.458 0.000
y 8.458 -12.977 0.000
z 0.000 0.000 -2.212
Polar
3z2-r2-4.425
x2-y218.777
xy8.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.770 0.827 0.000
y 0.827 8.288 0.000
z 0.000 0.000 6.644


<r2> (average value of r2) Å2
<r2> 231.347
(<r2>)1/2 15.210