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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-308.883122
Energy at 298.15K-308.894691
Nuclear repulsion energy245.424211
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/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 3863 3715 0.00      
2 Ag 3027 2911 0.00      
3 Ag 2973 2859 0.00      
4 Ag 1519 1461 0.00      
5 Ag 1488 1431 0.00      
6 Ag 1452 1397 0.00      
7 Ag 1380 1327 0.00      
8 Ag 1263 1215 0.00      
9 Ag 1091 1049 0.00      
10 Ag 1068 1027 0.00      
11 Ag 1039 999 0.00      
12 Ag 357 343 0.00      
13 Ag 338 325 0.00      
14 Au 3085 2967 76.37      
15 Au 3000 2885 81.34      
16 Au 1320 1269 1.49      
17 Au 1217 1170 2.56      
18 Au 947 911 1.61      
19 Au 754 725 1.16      
20 Au 265 255 219.35      
21 Au 97 93 15.88      
22 Au 77 74 1.55      
23 Bg 3061 2943 0.00      
24 Bg 3001 2886 0.00      
25 Bg 1317 1266 0.00      
26 Bg 1282 1233 0.00      
27 Bg 1173 1128 0.00      
28 Bg 812 781 0.00      
29 Bg 262 252 0.00      
30 Bg 151 146 0.00      
31 Bu 3863 3715 58.41      
32 Bu 3037 2920 66.70      
33 Bu 2973 2858 107.59      
34 Bu 1524 1465 5.82      
35 Bu 1497 1439 3.47      
36 Bu 1453 1397 10.10      
37 Bu 1306 1255 75.98      
38 Bu 1207 1161 35.93      
39 Bu 1081 1039 219.09      
40 Bu 998 960 0.99      
41 Bu 521 501 37.89      
42 Bu 135 130 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 31134.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 29939.3 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 B3PW91/cc-pVTZ
ABC
0.57973 0.03842 0.03702

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.291 2.757 0.000
O2 -1.291 -2.757 0.000
C3 1.398 1.342 0.000
C4 -1.398 -1.342 0.000
C5 0.000 0.761 0.000
C6 0.000 -0.761 0.000
H7 2.176 3.129 0.000
H8 -2.176 -3.129 0.000
H9 -0.532 1.142 0.877
H10 -0.532 1.142 -0.877
H11 0.532 -1.142 0.877
H12 0.532 -1.142 -0.877
H13 -1.945 -0.990 -0.885
H14 -1.945 -0.990 0.885
H15 1.945 0.990 -0.885
H16 1.945 0.990 0.885

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.08841.41864.90212.37693.74750.95936.83082.58922.58924.06724.06725.02955.02952.08132.0813
O26.08844.90211.41863.74752.37696.83080.95934.06724.06722.58922.58922.08132.08135.02955.0295
C31.41864.90213.87531.51352.52541.94875.72332.12942.12942.77242.77244.17074.17071.09871.0987
C44.90211.41863.87532.52541.51355.72331.94872.77242.77242.12942.12941.09871.09874.17074.1707
C52.37693.74751.51352.52541.52253.21534.45711.09421.09422.16182.16182.76292.76292.14912.1491
C63.74752.37692.52541.51351.52254.45713.21532.16182.16181.09421.09422.14912.14912.76292.7629
H70.95936.83081.94875.72333.21534.45717.62173.47153.47154.65894.65895.89305.89302.32612.3261
H86.83080.95935.72331.94874.45713.21537.62174.65894.65893.47153.47152.32612.32615.89305.8930
H92.58924.06722.12942.77241.09422.16183.47154.65891.75402.51933.06983.10562.55723.04402.4820
H102.58924.06722.12942.77241.09422.16183.47154.65891.75403.06982.51932.55723.10562.48203.0440
H114.06722.58922.77242.12942.16181.09424.65893.47152.51933.06981.75403.04402.48203.10562.5572
H124.06722.58922.77242.12942.16181.09424.65893.47153.06982.51931.75402.48203.04402.55723.1056
H135.02952.08134.17071.09872.76292.14915.89302.32613.10562.55723.04402.48201.77054.36484.7102
H145.02952.08134.17071.09872.76292.14915.89302.32612.55723.10562.48203.04401.77054.71024.3648
H152.08135.02951.09874.17072.14912.76292.32615.89303.04402.48203.10562.55724.36484.71021.7705
H162.08135.02951.09874.17072.14912.76292.32615.89302.48203.04402.55723.10564.71024.36481.7705

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 108.271 O1 C3 H15 110.904
O1 C3 H16 110.904 O2 C4 C6 108.271
O2 C4 H13 110.904 O2 C4 H14 110.904
C3 O1 H7 108.522 C3 C5 C6 112.567
C3 C5 H9 108.420 C3 C5 H10 108.420
C4 O2 H8 108.522 C4 C6 C5 112.567
C4 C6 H11 108.420 C4 C6 H12 108.420
C5 C3 H15 109.696 C5 C3 H16 109.696
C5 C6 H11 110.339 C5 C6 H12 110.339
C6 C4 H13 109.696 C6 C4 H14 109.696
C6 C5 H9 110.339 C6 C5 H10 110.339
H9 C5 H10 106.545 H11 C6 H12 106.545
H13 C4 H14 107.364 H15 C3 H16 107.364
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.328      
2 O -0.328      
3 C 0.036      
4 C 0.036      
5 C -0.166      
6 C -0.166      
7 H 0.189      
8 H 0.189      
9 H 0.087      
10 H 0.087      
11 H 0.087      
12 H 0.087      
13 H 0.048      
14 H 0.048      
15 H 0.048      
16 H 0.048      


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 -28.187 7.601 0.000
y 7.601 -43.246 0.000
z 0.000 0.000 -38.170
Traceless
 xyz
x 12.521 7.601 0.000
y 7.601 -10.067 0.000
z 0.000 0.000 -2.454
Polar
3z2-r2-4.908
x2-y215.059
xy7.601
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> 283.758
(<r2>)1/2 16.845