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All results from a given calculation for C4H10O (2-Butanol, (.+/-.)-)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-233.070355
Energy at 298.15K-233.081638
HF Energy-232.181973
Nuclear repulsion energy194.100080
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3850 3636 20.49      
2 A 3218 3040 13.31      
3 A 3209 3031 11.82      
4 A 3197 3020 23.81      
5 A 3187 3010 21.89      
6 A 3144 2969 17.76      
7 A 3113 2940 24.48      
8 A 3110 2937 15.01      
9 A 3095 2923 10.09      
10 A 3081 2910 13.41      
11 A 1539 1454 5.42      
12 A 1527 1442 9.88      
13 A 1524 1440 0.17      
14 A 1521 1437 6.31      
15 A 1505 1421 0.43      
16 A 1441 1361 34.50      
17 A 1425 1346 12.87      
18 A 1420 1341 7.57      
19 A 1407 1329 3.03      
20 A 1359 1283 2.65      
21 A 1334 1260 3.49      
22 A 1278 1207 4.60      
23 A 1210 1143 19.60      
24 A 1159 1095 18.78      
25 A 1108 1047 65.74      
26 A 1076 1017 0.46      
27 A 1017 961 18.11      
28 A 987 932 8.62      
29 A 946 893 7.07      
30 A 833 787 5.53      
31 A 787 743 0.50      
32 A 498 471 9.38      
33 A 465 439 6.44      
34 A 376 355 9.51      
35 A 300 283 102.15      
36 A 261 247 0.53      
37 A 243 230 2.51      
38 A 229 216 0.05      
39 A 123 116 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 30550.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 28855.4 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 MP2/6-31G(2df,p)
ABC
0.26849 0.11614 0.09012

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.495 1.402 0.060
H2 -0.637 1.406 1.012
C3 -1.797 -0.645 -0.005
H4 -1.936 -0.694 1.079
H5 -1.825 -1.665 -0.392
C6 -0.477 0.035 -0.337
H7 -0.351 0.072 -1.424
C8 0.715 -0.700 0.270
H9 0.695 -1.743 -0.060
H10 0.591 -0.716 1.359
C11 2.044 -0.049 -0.100
H12 2.204 -0.084 -1.179
H13 2.048 0.998 0.202
H14 2.884 -0.554 0.380
H15 -2.629 -0.084 -0.431

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.96242.42672.74033.37331.42381.99752.43423.36472.71192.92883.32082.57863.91692.6464
H20.96242.56632.47063.57971.93012.79162.61053.58332.47673.24683.88502.83414.07862.8759
C32.42672.56631.09391.09161.52172.14882.52812.72382.75153.88834.20724.18634.69741.0902
H42.74032.47061.09391.76602.15983.05972.77183.05212.54244.20044.75464.41614.87151.7705
H53.37333.57971.09161.76602.17022.50062.79702.54293.13154.20314.39874.73734.89911.7742
C61.42381.93011.52172.15982.17021.09491.52562.14692.14022.53322.81212.75513.48582.1579
H71.99752.79162.14883.05972.50061.09492.14502.50013.04232.73982.57163.04233.75662.4895
C82.43422.61052.52812.77182.79701.52562.14501.09431.09691.52482.16632.15912.17583.4722
H93.36473.58332.72383.05212.54292.14692.50011.09431.75462.16602.50633.06782.52943.7336
H102.71192.47672.75152.54243.13152.14023.04231.09691.75462.16433.07302.52972.49783.7385
C112.92883.24683.88834.20044.20312.53322.73981.52482.16602.16431.09201.08941.09084.6851
H123.32083.88504.20724.75464.39872.81212.57162.16632.50633.07301.09201.76151.76494.8905
H132.57862.83414.18634.41614.73732.75513.04232.15913.06782.52971.08941.76151.77144.8420
H143.91694.07864.69744.87154.89913.48583.75662.17582.52942.49781.09081.76491.77145.5918
H152.64642.87591.09021.77051.77422.15792.48953.47223.73363.73854.68514.89054.84205.5918

picture of 2-Butanol, (.+/-.)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C6 C3 110.904 O1 C6 H7 104.187
O1 C6 C8 111.199 H2 O1 C6 106.360
C3 C6 H7 109.330 C3 C6 C8 112.117
H4 C3 H5 107.811 H4 C3 C6 110.256
H4 C3 H15 108.318 H5 C3 C6 111.224
H5 C3 H15 108.820 C6 C3 H15 110.325
C6 C8 H9 108.948 C6 C8 H10 108.277
C6 C8 C11 112.290 H7 C6 C8 108.769
C8 C11 H12 110.668 C8 C11 H13 110.247
C8 C11 H14 111.509 H9 C8 H10 106.401
H9 C8 C11 110.510 H10 C8 C11 110.213
H12 C11 H13 107.699 H12 C11 H14 107.913
H13 C11 H14 108.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability