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All results from a given calculation for CHOCH2CH2CH3 (Butanal)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-232.349527
Energy at 298.15K-232.358151
Nuclear repulsion energy172.488685
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 B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3147 3004 30.26      
2 A' 3083 2943 17.15      
3 A' 3058 2920 25.17      
4 A' 3034 2897 20.27      
5 A' 2905 2774 149.16      
6 A' 1857 1773 143.14      
7 A' 1514 1446 5.27      
8 A' 1496 1429 2.49      
9 A' 1457 1391 9.94      
10 A' 1427 1363 9.67      
11 A' 1422 1358 7.38      
12 A' 1408 1345 15.79      
13 A' 1316 1257 6.00      
14 A' 1143 1092 10.74      
15 A' 1073 1025 0.11      
16 A' 969 926 6.81      
17 A' 870 831 8.61      
18 A' 700 669 13.83      
19 A' 344 328 1.00      
20 A' 202 193 8.23      
21 A" 3140 2998 51.46      
22 A" 3117 2976 0.15      
23 A" 3066 2928 8.35      
24 A" 1509 1441 7.00      
25 A" 1334 1274 0.19      
26 A" 1253 1196 0.07      
27 A" 1153 1101 0.12      
28 A" 951 908 0.00      
29 A" 790 754 1.94      
30 A" 667 637 4.03      
31 A" 253 242 0.02      
32 A" 182 174 1.27      
33 A" 92 88 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 24966.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 23837.6 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 B1B95/6-31G**
ABC
0.50162 0.08619 0.07664

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.267 -0.369 0.000
H2 2.784 -1.331 0.000
H3 2.601 0.186 0.882
H4 2.601 0.186 -0.882
C5 0.758 -0.556 0.000
H6 0.446 -1.140 -0.870
H7 0.446 -1.140 0.870
C8 0.000 0.761 0.000
H9 0.264 1.380 0.869
H10 0.264 1.380 -0.869
C11 -1.494 0.602 0.000
H12 -2.071 1.553 0.000
O13 -2.065 -0.463 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 O13
C11.09221.09401.09401.52132.16132.16132.53322.79812.79813.88434.74474.3337
H21.09221.76391.76392.16992.50252.50253.48263.80253.80254.69435.64704.9268
H31.09401.76391.76422.17403.07812.53052.80612.62493.15564.20934.94714.7931
H41.09401.76391.76422.17402.53053.07812.80613.15562.62494.20934.94714.7931
C51.52132.16992.17402.17401.09391.09391.51922.17902.17902.53153.52802.8245
H62.16132.50253.07812.53051.09391.74092.13823.06812.52712.74863.78752.7428
H72.16132.50252.53053.07811.09391.74092.13822.52713.06812.74863.78752.7428
C82.53323.48262.80612.80611.51922.13822.13821.09941.09941.50222.21712.4007
H92.79813.80252.62493.15562.17903.06812.52711.09941.73882.10952.49713.0945
H102.79813.80253.15562.62492.17902.52713.06811.09941.73882.10952.49713.0945
C113.88434.69434.20934.20932.53152.74862.74861.50222.10952.10951.11251.2082
H124.74475.64704.94714.94713.52803.78753.78752.21712.49712.49711.11252.0156
O134.33374.92684.79314.79312.82452.74282.74282.40073.09453.09451.20822.0156

picture of Butanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.400 C1 C5 H7 110.400
C1 C5 C8 112.844 H2 C1 H3 107.579
H2 C1 H4 107.579 H2 C1 C5 111.185
H3 C1 H4 107.474 H3 C1 C5 111.411
H4 C1 C5 111.411 C5 C8 H9 111.627
C5 C8 H10 111.627 C5 C8 C11 113.823
H6 C5 H7 105.455 H6 C5 C8 108.728
H7 C5 C8 108.728 C8 C11 H12 115.156
C8 C11 O13 124.323 H9 C8 H10 104.521
H9 C8 C11 107.347 H10 C8 C11 107.347
H12 C11 O13 120.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 H 0.126      
3 H 0.119      
4 H 0.119      
5 C -0.219      
6 H 0.135      
7 H 0.135      
8 C -0.305      
9 H 0.141      
10 H 0.141      
11 C 0.283      
12 H 0.080      
13 O -0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.705 1.842 0.000 2.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.954 -3.451 0.000
y -3.451 -30.443 0.000
z 0.000 0.000 -30.335
Traceless
 xyz
x -5.565 -3.451 0.000
y -3.451 2.701 0.000
z 0.000 0.000 2.864
Polar
3z2-r25.728
x2-y2-5.511
xy-3.451
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.670 -0.101 0.000
y -0.101 6.987 0.000
z 0.000 0.000 5.375


<r2> (average value of r2) Å2
<r2> 153.325
(<r2>)1/2 12.382