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

using model chemistry: B1B95/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 B1B95/CEP-31G*
 hartrees
Energy at 0K-60.463103
Energy at 298.15K-60.474656
Nuclear repulsion energy140.898430
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 B1B95/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 3871 3705 0.00      
2 Ag 3078 2946 0.00      
3 Ag 3015 2886 0.00      
4 Ag 1519 1454 0.00      
5 Ag 1486 1423 0.00      
6 Ag 1466 1403 0.00      
7 Ag 1375 1316 0.00      
8 Ag 1266 1212 0.00      
9 Ag 1109 1061 0.00      
10 Ag 1071 1025 0.00      
11 Ag 1049 1004 0.00      
12 Ag 348 333 0.00      
13 Ag 327 313 0.00      
14 Au 3147 3013 107.25      
15 Au 3054 2924 122.60      
16 Au 1309 1253 2.97      
17 Au 1208 1157 4.23      
18 Au 929 889 2.15      
19 Au 740 708 2.76      
20 Au 313 300 281.76      
21 Au 93 89 19.24      
22 Au 80 77 2.89      
23 Bg 3123 2989 0.00      
24 Bg 3053 2922 0.00      
25 Bg 1301 1245 0.00      
26 Bg 1271 1216 0.00      
27 Bg 1147 1098 0.00      
28 Bg 793 759 0.00      
29 Bg 308 295 0.00      
30 Bg 149 143 0.00      
31 Bu 3871 3705 45.48      
32 Bu 3083 2951 73.90      
33 Bu 3016 2887 149.02      
34 Bu 1522 1456 11.03      
35 Bu 1494 1430 5.39      
36 Bu 1455 1393 13.07      
37 Bu 1295 1239 121.97      
38 Bu 1200 1149 28.71      
39 Bu 1106 1058 197.19      
40 Bu 1009 965 2.01      
41 Bu 506 485 40.97      
42 Bu 129 124 7.06      

Unscaled Zero Point Vibrational Energy (zpe) 31339.9 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 29998.6 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 B1B95/CEP-31G*
ABC
0.56752 0.03788 0.03649

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.507 2.670 0.000
O2 -1.507 -2.670 0.000
C3 1.507 1.243 0.000
C4 -1.507 -1.243 0.000
C5 0.052 0.768 0.000
C6 -0.052 -0.768 0.000
H7 2.429 2.966 0.000
H8 -2.429 -2.966 0.000
H9 -0.452 1.189 0.886
H10 -0.452 1.189 -0.886
H11 0.452 -1.189 0.886
H12 0.452 -1.189 -0.886
H13 -2.027 -0.845 -0.895
H14 -2.027 -0.845 0.895
H15 2.027 0.845 -0.895
H16 2.027 0.845 0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.13091.42694.93832.39463.77410.96836.87332.61062.61064.09694.09695.06335.06332.09772.0977
O26.13094.93831.42693.77412.39466.87330.96834.09694.09692.61062.61062.09772.09775.06335.0633
C31.42694.93833.90621.53042.54381.95405.76172.15062.15062.79462.79464.20054.20051.10871.1087
C44.93831.42693.90622.54381.53045.76171.95402.79462.79462.15062.15061.10871.10874.20054.2005
C52.39463.77411.53042.54381.53873.23734.48221.10311.10312.18462.18462.77882.77882.16942.1694
C63.77412.39462.54381.53041.53874.48223.23732.18462.18461.10311.10312.16942.16942.77882.7788
H70.96836.87331.95405.76173.23734.48227.66633.49873.49874.68524.68525.93055.93052.33652.3365
H86.87330.96835.76171.95404.48223.23737.66634.68524.68523.49873.49872.33652.33655.93055.9305
H92.61064.09692.15062.79461.10312.18463.49874.68521.77282.54333.10023.12862.57203.07152.5023
H102.61064.09692.15062.79461.10312.18463.49874.68521.77283.10022.54332.57203.12862.50233.0715
H114.09692.61062.79462.15062.18461.10314.68523.49872.54333.10021.77283.07152.50233.12862.5720
H124.09692.61062.79462.15062.18461.10314.68523.49873.10022.54331.77282.50233.07152.57203.1286
H135.06332.09774.20051.10872.77882.16945.93052.33653.12862.57203.07152.50231.78974.39154.7421
H145.06332.09774.20051.10872.77882.16945.93052.33652.57203.12862.50233.07151.78974.74214.3915
H152.09775.06331.10874.20052.16942.77882.33655.93053.07152.50233.12862.57204.39154.74211.7897
H162.09775.06331.10874.20052.16942.77882.33655.93052.50233.07152.57203.12864.74214.39151.7897

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 108.088 O1 C3 H15 111.025
O1 C3 H16 111.025 O2 C4 C6 108.088
O2 C4 H13 111.025 O2 C4 H14 111.025
C3 O1 H7 107.799 C3 C5 C6 111.960
C3 C5 H9 108.401 C3 C5 H10 108.401
C4 O2 H8 107.799 C4 C6 C5 111.960
C4 C6 H11 108.401 C4 C6 H12 108.401
C5 C3 H15 109.534 C5 C3 H16 109.534
C5 C6 H11 110.486 C5 C6 H12 110.486
C6 C4 H13 109.534 C6 C4 H14 109.534
C6 C5 H9 110.486 C6 C5 H10 110.486
H9 C5 H10 106.940 H11 C6 H12 106.940
H13 C4 H14 107.624 H15 C3 H16 107.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.436      
2 O -0.436      
3 C -0.226      
4 C -0.226      
5 C -0.198      
6 C -0.198      
7 H 0.380      
8 H 0.380      
9 H 0.128      
10 H 0.128      
11 H 0.128      
12 H 0.128      
13 H 0.112      
14 H 0.112      
15 H 0.112      
16 H 0.112      


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 -25.288 6.773 0.000
y 6.773 -44.966 0.000
z 0.000 0.000 -37.385
Traceless
 xyz
x 15.888 6.773 0.000
y 6.773 -13.629 0.000
z 0.000 0.000 -2.258
Polar
3z2-r2-4.517
x2-y219.678
xy6.773
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.005 1.298 0.000
y 1.298 8.257 0.000
z 0.000 0.000 5.978


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000