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

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-307.970154
Energy at 298.15K-307.981853
HF Energy-307.022595
Nuclear repulsion energy244.494423
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 MP2/cc-pVDZ
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 3855 3672 0.00      
2 Ag 3081 2935 0.00      
3 Ag 3022 2878 0.00      
4 Ag 1529 1456 0.00      
5 Ag 1491 1420 0.00      
6 Ag 1478 1407 0.00      
7 Ag 1388 1322 0.00      
8 Ag 1282 1221 0.00      
9 Ag 1115 1062 0.00      
10 Ag 1094 1042 0.00      
11 Ag 1064 1014 0.00      
12 Ag 364 346 0.00      
13 Ag 340 324 0.00      
14 Au 3154 3004 67.41      
15 Au 3068 2922 105.10      
16 Au 1329 1266 1.46      
17 Au 1223 1165 3.72      
18 Au 949 903 3.09      
19 Au 766 730 0.30      
20 Au 287 273 221.35      
21 Au 101 96 16.34      
22 Au 83 79 3.24      
23 Bg 3134 2985 0.00      
24 Bg 3068 2923 0.00      
25 Bg 1316 1253 0.00      
26 Bg 1293 1231 0.00      
27 Bg 1185 1129 0.00      
28 Bg 824 785 0.00      
29 Bg 283 269 0.00      
30 Bg 163 156 0.00      
31 Bu 3855 3672 61.44      
32 Bu 3086 2940 53.48      
33 Bu 3022 2878 110.83      
34 Bu 1531 1458 6.08      
35 Bu 1500 1429 5.18      
36 Bu 1473 1403 14.52      
37 Bu 1309 1247 98.59      
38 Bu 1212 1154 21.36      
39 Bu 1110 1057 187.35      
40 Bu 1026 977 1.01      
41 Bu 525 500 36.39      
42 Bu 136 129 5.91      

Unscaled Zero Point Vibrational Energy (zpe) 31555.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 30056.7 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 MP2/cc-pVDZ
ABC
0.56790 0.03830 0.03689

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.516 2.643 0.000
O2 -1.516 -2.643 0.000
C3 1.516 1.221 0.000
C4 -1.516 -1.221 0.000
C5 0.067 0.761 0.000
C6 -0.067 -0.761 0.000
H7 2.441 2.921 0.000
H8 -2.441 -2.921 0.000
H9 -0.432 1.192 0.887
H10 -0.432 1.192 -0.887
H11 0.432 -1.192 0.887
H12 0.432 -1.192 -0.887
H13 -2.032 -0.813 -0.894
H14 -2.032 -0.813 0.894
H15 2.032 0.813 -0.894
H16 2.032 0.813 0.894

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.09431.42214.91192.37543.75440.96616.82802.58622.58624.08324.08325.03325.03322.10122.1012
O26.09434.91191.42213.75442.37546.82800.96614.08324.08322.58622.58622.10122.10125.03325.0332
C31.42214.91193.89331.52062.53671.93545.72872.14102.14102.79042.79044.18644.18641.10981.1098
C44.91191.42213.89332.53671.52065.72871.93542.79042.79042.14102.14101.10981.10984.18644.1864
C52.37543.75441.52062.53671.52853.21004.45531.10531.10532.17662.17662.77162.77162.15992.1599
C63.75442.37542.53671.52061.52854.45533.21002.17662.17661.10531.10532.15992.15992.77162.7716
H70.96616.82801.93545.72873.21004.45537.61383.46903.46904.66294.66295.89525.89522.32592.3259
H86.82800.96615.72871.93544.45533.21007.61384.66294.66293.46903.46902.32592.32595.89525.8952
H92.58624.08322.14102.79041.10532.17663.46904.66291.77452.53643.09553.12282.56523.06422.4935
H102.58624.08322.14102.79041.10532.17663.46904.66291.77453.09552.53642.56523.12282.49353.0642
H114.08322.58622.79042.14102.17661.10534.66293.46902.53643.09551.77453.06422.49353.12282.5652
H124.08322.58622.79042.14102.17661.10534.66293.46903.09552.53641.77452.49353.06422.56523.1228
H135.03322.10124.18641.10982.77162.15995.89522.32593.12282.56523.06422.49351.78724.37764.7283
H145.03322.10124.18641.10982.77162.15995.89522.32592.56523.12282.49353.06421.78724.72834.3776
H152.10125.03321.10984.18642.15992.77162.32595.89523.06422.49353.12282.56524.37764.72831.7872
H162.10125.03321.10984.18642.15992.77162.32595.89522.49353.06422.56523.12284.72834.37761.7872

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 107.602 O1 C3 H15 111.583
O1 C3 H16 111.583 O2 C4 C6 107.602
O2 C4 H13 111.583 O2 C4 H14 111.583
C3 O1 H7 106.710 C3 C5 C6 112.596
C3 C5 H9 108.197 C3 C5 H10 108.197
C4 O2 H8 106.710 C4 C6 C5 112.596
C4 C6 H11 108.197 C4 C6 H12 108.197
C5 C3 H15 109.400 C5 C3 H16 109.400
C5 C6 H11 110.430 C5 C6 H12 110.430
C6 C4 H13 109.400 C6 C4 H14 109.400
C6 C5 H9 110.430 C6 C5 H10 110.430
H9 C5 H10 106.782 H11 C6 H12 106.782
H13 C4 H14 107.253 H15 C3 H16 107.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability