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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-308.761428
Energy at 298.15K-308.772784
Nuclear repulsion energy242.479628
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 BLYP/6-31G(2df,p)
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 3672 3652 0.00      
2 Ag 2946 2930 0.00      
3 Ag 2872 2857 0.00      
4 Ag 1486 1478 0.00      
5 Ag 1453 1445 0.00      
6 Ag 1416 1408 0.00      
7 Ag 1336 1329 0.00      
8 Ag 1237 1230 0.00      
9 Ag 1034 1028 0.00      
10 Ag 1017 1012 0.00      
11 Ag 983 978 0.00      
12 Ag 348 346 0.00      
13 Ag 325 323 0.00      
14 Au 3000 2983 84.66      
15 Au 2892 2876 110.97      
16 Au 1283 1276 1.69      
17 Au 1177 1170 2.36      
18 Au 918 913 1.96      
19 Au 738 734 0.49      
20 Au 252 251 193.75      
21 Au 92 91 13.42      
22 Au 77 76 2.92      
23 Bg 2975 2958 0.00      
24 Bg 2894 2878 0.00      
25 Bg 1275 1268 0.00      
26 Bg 1245 1238 0.00      
27 Bg 1145 1139 0.00      
28 Bg 793 789 0.00      
29 Bg 250 249 0.00      
30 Bg 145 144 0.00      
31 Bu 3672 3652 15.41      
32 Bu 2955 2939 67.28      
33 Bu 2872 2857 114.81      
34 Bu 1492 1484 4.60      
35 Bu 1463 1455 1.77      
36 Bu 1421 1413 19.61      
37 Bu 1277 1270 59.79      
38 Bu 1178 1172 41.17      
39 Bu 1014 1009 194.43      
40 Bu 950 945 0.55      
41 Bu 504 501 34.45      
42 Bu 135 134 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 30103.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 29937.4 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 BLYP/6-31G(2df,p)
ABC
0.56297 0.03752 0.03614

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.529 2.673 0.000
O2 -1.529 -2.673 0.000
C3 1.529 1.235 0.000
C4 -1.529 -1.235 0.000
C5 0.068 0.768 0.000
C6 -0.068 -0.768 0.000
H7 2.457 2.964 0.000
H8 -2.457 -2.964 0.000
H9 -0.434 1.198 0.884
H10 -0.434 1.198 -0.884
H11 0.434 -1.198 0.884
H12 0.434 -1.198 -0.884
H13 -2.051 -0.833 -0.893
H14 -2.051 -0.833 0.893
H15 2.051 0.833 -0.893
H16 2.051 0.833 0.893

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.15821.43724.96242.40063.79310.97236.90352.60962.60964.11854.11855.08985.08982.11082.1108
O26.15824.96241.43723.79312.40066.90350.97234.11854.11852.60962.60962.11082.11085.08985.0898
C31.43724.96243.93161.53412.56201.96175.78982.15322.15322.81122.81124.23034.23031.11031.1103
C44.96241.43723.93162.56201.53415.78981.96172.81122.81122.15322.15321.11031.11034.23034.2303
C52.40063.79311.53412.56201.54173.24494.50561.10401.10402.18632.18632.80212.80212.17622.1762
C63.79312.40062.56201.53411.54174.50563.24492.18632.18631.10401.10402.17622.17622.80212.8021
H70.97236.90351.96175.78983.24494.50567.69953.50093.50094.71124.71125.96135.96132.34602.3460
H86.90350.97235.78981.96174.50563.24497.69954.71124.71123.50093.50092.34602.34605.96135.9613
H92.60964.11852.15322.81121.10402.18633.50094.71121.76892.54793.10173.14652.59633.07722.5119
H102.60964.11852.15322.81121.10402.18633.50094.71121.76893.10172.54792.59633.14652.51193.0772
H114.11852.60962.81122.15322.18631.10404.71123.50092.54793.10171.76893.07722.51193.14652.5963
H124.11852.60962.81122.15322.18631.10404.71123.50093.10172.54791.76892.51193.07722.59633.1465
H135.08982.11084.23031.11032.80212.17625.96132.34603.14652.59633.07722.51191.78624.42814.7748
H145.08982.11084.23031.11032.80212.17625.96132.34602.59633.14652.51193.07721.78624.77484.4281
H152.11085.08981.11034.23032.17622.80212.34605.96133.07722.51193.14652.59634.42814.77481.7862
H162.11085.08981.11034.23032.17622.80212.34605.96132.51193.07722.59633.14654.77484.42811.7862

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 107.747 O1 C3 H15 111.264
O1 C3 H16 111.264 O2 C4 C6 107.747
O2 C4 H13 111.264 O2 C4 H14 111.264
C3 O1 H7 107.438 C3 C5 C6 112.809
C3 C5 H9 108.308 C3 C5 H10 108.308
C4 O2 H8 107.438 C4 C6 C5 112.809
C4 C6 H11 108.308 C4 C6 H12 108.308
C5 C3 H15 109.730 C5 C3 H16 109.730
C5 C6 H11 110.357 C5 C6 H12 110.357
C6 C4 H13 109.730 C6 C4 H14 109.730
C6 C5 H9 110.357 C6 C5 H10 110.357
H9 C5 H10 106.470 H11 C6 H12 106.470
H13 C4 H14 107.107 H15 C3 H16 107.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.374      
2 O -0.374      
3 C -0.081      
4 C -0.081      
5 C -0.127      
6 C -0.127      
7 H 0.266      
8 H 0.266      
9 H 0.088      
10 H 0.088      
11 H 0.088      
12 H 0.088      
13 H 0.070      
14 H 0.070      
15 H 0.070      
16 H 0.070      


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 -27.582 6.029 0.000
y 6.029 -43.371 0.000
z 0.000 0.000 -38.118
Traceless
 xyz
x 13.162 6.029 0.000
y 6.029 -10.521 0.000
z 0.000 0.000 -2.641
Polar
3z2-r2-5.282
x2-y215.789
xy6.029
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.723 1.416 0.000
y 1.416 9.145 0.000
z 0.000 0.000 6.906


<r2> (average value of r2) Å2
<r2> 289.966
(<r2>)1/2 17.028