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All results from a given calculation for CHOCH2CH2CH3 (Butanal)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-230.914493
Energy at 298.15K-230.923315
Nuclear repulsion energy171.626168
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 HF/LANL2DZ
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' 3278 2950 72.19      
2 A' 3232 2909 19.84      
3 A' 3217 2895 132.48      
4 A' 3189 2870 66.14      
5 A' 3182 2864 2.17      
6 A' 1883 1695 177.24      
7 A' 1657 1491 12.36      
8 A' 1646 1481 2.15      
9 A' 1619 1457 20.65      
10 A' 1570 1413 3.82      
11 A' 1554 1398 6.81      
12 A' 1530 1376 14.75      
13 A' 1457 1311 11.76      
14 A' 1242 1117 13.72      
15 A' 1136 1022 0.54      
16 A' 1059 953 2.67      
17 A' 930 837 1.68      
18 A' 732 659 24.94      
19 A' 372 335 1.52      
20 A' 210 189 12.31      
21 A" 3292 2962 106.32      
22 A" 3258 2932 16.66      
23 A" 3225 2902 18.78      
24 A" 1649 1484 10.10      
25 A" 1443 1298 0.45      
26 A" 1380 1242 0.41      
27 A" 1281 1153 0.00      
28 A" 1042 937 0.00      
29 A" 878 790 0.66      
30 A" 758 682 5.60      
31 A" 252 227 0.04      
32 A" 166 150 5.09      
33 A" 83 75 4.66      

Unscaled Zero Point Vibrational Energy (zpe) 26699.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 24026.7 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 HF/LANL2DZ
ABC
0.50499 0.08432 0.07521

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.290 -0.358 0.000
H2 2.814 -1.307 0.000
H3 2.609 0.197 0.878
H4 2.609 0.197 -0.878
C5 0.769 -0.574 0.000
H6 0.478 -1.157 -0.866
H7 0.478 -1.157 0.866
C8 0.000 0.753 0.000
H9 0.270 1.353 0.867
H10 0.270 1.353 -0.867
C11 -1.501 0.611 0.000
H12 -2.062 1.544 0.000
O13 -2.101 -0.452 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 O13
C11.08431.08601.08601.53652.16132.16132.54512.78492.78493.91264.74954.3923
H21.08431.75291.75292.17272.49612.49613.48773.78113.78114.72215.64874.9895
H31.08601.75291.75552.17953.06802.52412.80822.60863.13834.22294.94024.8350
H41.08601.75291.75552.17952.52413.06802.80823.13832.60864.22294.94024.8350
C51.53652.17272.17952.17951.08361.08361.53412.17132.17132.56053.53582.8728
H62.16132.49613.06802.52411.08361.73262.15113.05712.51822.79123.80752.8109
H72.16132.49612.52413.06801.08361.73262.15112.51823.05712.79123.80752.8109
C82.54513.48772.80822.80821.53412.15112.15111.08831.08831.50792.20872.4226
H92.78493.78112.60863.13832.17133.05712.51821.08831.73402.10752.49623.1042
H102.78493.78113.13832.60862.17132.51823.05711.08831.73402.10752.49623.1042
C113.91264.72214.22294.22292.56052.79122.79121.50792.10752.10751.08911.2204
H124.74955.64874.94024.94023.53583.80753.80752.20872.49622.49621.08911.9962
O134.39234.98954.83504.83502.87282.81092.81092.42263.10423.10421.22041.9962

picture of Butanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.956 C1 C5 H7 109.956
C1 C5 C8 111.966 H2 C1 H3 107.739
H2 C1 H4 107.739 H2 C1 C5 110.816
H3 C1 H4 107.856 H3 C1 C5 111.264
H4 C1 C5 111.264 C5 C8 H9 110.627
C5 C8 H10 110.627 C5 C8 C11 114.637
H6 C5 H7 106.167 H6 C5 C8 109.312
H7 C5 C8 109.312 C8 C11 H12 115.593
C8 C11 O13 124.903 H9 C8 H10 105.621
H9 C8 C11 107.435 H10 C8 C11 107.435
H12 C11 O13 119.504
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.556      
2 H 0.186      
3 H 0.163      
4 H 0.163      
5 C -0.248      
6 H 0.176      
7 H 0.176      
8 C -0.353      
9 H 0.187      
10 H 0.187      
11 C 0.114      
12 H 0.159      
13 O -0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.211 2.663 0.000 3.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.797 -5.379 0.000
y -5.379 -31.113 0.000
z 0.000 0.000 -31.095
Traceless
 xyz
x -7.693 -5.379 0.000
y -5.379 3.833 0.000
z 0.000 0.000 3.860
Polar
3z2-r27.720
x2-y2-7.684
xy-5.379
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.785 0.227 0.000
y 0.227 6.489 0.000
z 0.000 0.000 5.004


<r2> (average value of r2) Å2
<r2> 156.345
(<r2>)1/2 12.504