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

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-60.552564
Energy at 298.15K-60.564047
Nuclear repulsion energy140.091802
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 B3LYP/CEP-31G*
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 3797 3667 0.00      
2 Ag 3042 2938 0.00      
3 Ag 2990 2887 0.00      
4 Ag 1521 1469 0.00      
5 Ag 1493 1442 0.00      
6 Ag 1459 1409 0.00      
7 Ag 1379 1332 0.00      
8 Ag 1263 1220 0.00      
9 Ag 1063 1026 0.00      
10 Ag 1051 1015 0.00      
11 Ag 1029 993 0.00      
12 Ag 351 339 0.00      
13 Ag 329 318 0.00      
14 Au 3107 3000 142.90      
15 Au 3024 2920 114.66      
16 Au 1315 1270 3.19      
17 Au 1207 1165 3.10      
18 Au 936 904 1.72      
19 Au 745 720 2.49      
20 Au 292 282 263.09      
21 Au 89 85 19.74      
22 Au 77 74 4.10      
23 Bg 3079 2973 0.00      
24 Bg 3023 2919 0.00      
25 Bg 1313 1268 0.00      
26 Bg 1270 1226 0.00      
27 Bg 1150 1111 0.00      
28 Bg 800 773 0.00      
29 Bg 287 277 0.00      
30 Bg 146 141 0.00      
31 Bu 3797 3667 24.98      
32 Bu 3048 2944 92.16      
33 Bu 2990 2888 142.89      
34 Bu 1525 1473 9.12      
35 Bu 1500 1449 3.93      
36 Bu 1453 1403 17.82      
37 Bu 1302 1258 80.83      
38 Bu 1202 1161 52.75      
39 Bu 1062 1025 202.03      
40 Bu 981 948 1.06      
41 Bu 508 491 42.59      
42 Bu 133 128 7.10      

Unscaled Zero Point Vibrational Energy (zpe) 31063.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 29997.9 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 B3LYP/CEP-31G*
ABC
0.56093 0.03742 0.03604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.321 2.789 0.000
O2 -1.321 -2.789 0.000
C3 1.425 1.349 0.000
C4 -1.425 -1.349 0.000
C5 0.000 0.774 0.000
C6 0.000 -0.774 0.000
H7 2.226 3.149 0.000
H8 -2.226 -3.149 0.000
H9 -0.532 1.160 0.889
H10 -0.532 1.160 -0.889
H11 0.532 -1.160 0.889
H12 0.532 -1.160 -0.889
H13 -1.974 -0.996 -0.897
H14 -1.974 -0.996 0.897
H15 1.974 0.996 -0.897
H16 1.974 0.996 0.897

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.17161.44304.96652.40913.79990.97366.91652.62272.62274.12324.12325.09775.09772.10852.1085
O26.17164.96651.44303.79992.40916.91650.97364.12324.12322.62272.62272.10852.10855.09775.0977
C31.44304.96653.92531.53692.55741.96975.79352.15802.15802.80752.80754.22614.22611.10981.1098
C44.96651.44303.92532.55741.53695.79351.96972.80752.80752.15802.15801.10981.10984.22614.2261
C52.40913.79991.53692.55741.54833.25484.51061.10521.10522.19372.19372.79912.79912.17982.1798
C63.79992.40912.55741.53691.54834.51063.25482.19372.19371.10521.10522.17982.17982.79912.7991
H70.97366.91651.96975.79353.25484.51067.71253.51483.51484.71414.71415.96855.96852.34642.3464
H86.91650.97365.79351.96974.51063.25487.71254.71414.71413.51483.51482.34642.34645.96855.9685
H92.62274.12322.15802.80751.10522.19373.51484.71411.77722.55183.10973.14872.59323.08192.5116
H102.62274.12322.15802.80751.10522.19373.51484.71411.77723.10972.55182.59323.14872.51163.0819
H114.12322.62272.80752.15802.19371.10524.71413.51482.55183.10971.77723.08192.51163.14872.5932
H124.12322.62272.80752.15802.19371.10524.71413.51483.10972.55181.77722.51163.08192.59323.1487
H135.09772.10854.22611.10982.79912.17985.96852.34643.14872.59323.08192.51161.79484.42204.7724
H145.09772.10854.22611.10982.79912.17985.96852.34642.59323.14872.51163.08191.79484.77244.4220
H152.10855.09771.10984.22612.17982.79912.34645.96853.08192.51163.14872.59324.42204.77241.7948
H162.10855.09771.10984.22612.17982.79912.34645.96852.51163.08192.59323.14874.77244.42201.7948

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 107.852 O1 C3 H15 110.695
O1 C3 H16 110.695 O2 C4 C6 107.852
O2 C4 H13 110.695 O2 C4 H14 110.695
C3 O1 H7 107.607 C3 C5 C6 111.982
C3 C5 H9 108.422 C3 C5 H10 108.422
C4 O2 H8 107.607 C4 C6 C5 111.982
C4 C6 H11 108.422 C4 C6 H12 108.422
C5 C3 H15 109.840 C5 C3 H16 109.840
C5 C6 H11 110.412 C5 C6 H12 110.412
C6 C4 H13 109.840 C6 C4 H14 109.840
C6 C5 H9 110.412 C6 C5 H10 110.412
H9 C5 H10 107.031 H11 C6 H12 107.031
H13 C4 H14 107.923 H15 C3 H16 107.923
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.443      
2 O -0.443      
3 C -0.233      
4 C -0.233      
5 C -0.194      
6 C -0.194      
7 H 0.368      
8 H 0.368      
9 H 0.130      
10 H 0.130      
11 H 0.130      
12 H 0.130      
13 H 0.121      
14 H 0.121      
15 H 0.121      
16 H 0.121      


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 -26.772 7.697 0.000
y 7.697 -44.893 0.000
z 0.000 0.000 -37.613
Traceless
 xyz
x 14.481 7.697 0.000
y 7.697 -12.700 0.000
z 0.000 0.000 -1.781
Polar
3z2-r2-3.562
x2-y218.121
xy7.697
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.024 1.399 0.000
y 1.399 8.814 0.000
z 0.000 0.000 6.054


<r2> (average value of r2) Å2
<r2> 234.813
(<r2>)1/2 15.324