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All results from a given calculation for CHOCH2CH2CH3 (Butanal)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-43.326423
Energy at 298.15K-43.334972
Nuclear repulsion energy95.425925
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 B3LYP/CEP-121G
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' 3070 2992 60.21      
2 A' 3011 2934 21.44      
3 A' 2978 2902 43.28      
4 A' 2962 2886 50.96      
5 A' 2902 2828 124.93      
6 A' 1673 1630 125.42      
7 A' 1530 1491 11.46      
8 A' 1516 1478 3.04      
9 A' 1481 1444 24.96      
10 A' 1435 1399 2.54      
11 A' 1409 1373 8.90      
12 A' 1392 1357 12.89      
13 A' 1316 1283 9.31      
14 A' 1137 1108 12.43      
15 A' 1050 1024 0.29      
16 A' 971 946 4.74      
17 A' 853 831 5.93      
18 A' 675 658 14.61      
19 A' 342 333 0.68      
20 A' 191 186 9.85      
21 A" 3073 2994 98.60      
22 A" 3042 2965 1.35      
23 A" 2992 2915 16.06      
24 A" 1525 1486 8.68      
25 A" 1319 1285 0.36      
26 A" 1253 1221 0.38      
27 A" 1155 1125 0.15      
28 A" 942 918 0.05      
29 A" 795 775 0.99      
30 A" 686 669 6.04      
31 A" 238 232 0.03      
32 A" 163 159 2.17      
33 A" 71 69 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 24573.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 23947.0 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 B3LYP/CEP-121G
ABC
0.48821 0.08242 0.07339

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.260 -0.466 0.000
H2 2.744 -1.452 0.000
H3 2.611 0.079 0.888
H4 2.611 0.079 -0.888
C5 0.716 -0.608 0.000
H6 0.390 -1.185 -0.877
H7 0.390 -1.185 0.877
C8 0.000 0.763 0.000
H9 0.299 1.366 0.876
H10 0.299 1.366 -0.876
C11 -1.523 0.689 0.000
H12 -2.055 1.666 0.000
O13 -2.183 -0.374 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 O13
C11.09811.09981.09981.54982.18632.18632.57262.82322.82323.95584.81304.4442
H21.09811.77461.77462.19572.52572.52573.52643.83233.83234.77435.72285.0437
H31.09981.77461.77622.20273.10562.55552.84202.64683.18094.27315.00864.8975
H41.09981.77461.77622.20272.55553.10562.84203.18092.64684.27315.00864.8975
C51.54982.19572.20272.20271.09861.09861.54762.20032.20032.58873.58532.9094
H62.18632.52573.10562.55551.09861.75322.17143.09642.55252.81813.85652.8370
H72.18632.52572.55553.10561.09861.75322.17142.55253.09642.81813.85652.8370
C82.57263.52642.84202.84201.54762.17142.17141.10481.10481.52532.24472.4620
H92.82323.83232.64683.18092.20033.09642.55251.10481.75242.13242.52983.1558
H102.82323.83233.18092.64682.20032.55253.09641.10481.75242.13242.52983.1558
C113.95584.77434.27314.27312.58872.81812.81811.52532.13242.13241.11181.2517
H124.81305.72285.00865.00863.58533.85653.85652.24472.52982.52981.11182.0438
O134.44425.04374.89754.89752.90942.83702.83702.46203.15583.15581.25172.0438

picture of Butanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.115 C1 C5 H7 110.115
C1 C5 C8 112.316 H2 C1 H3 107.691
H2 C1 H4 107.691 H2 C1 C5 110.889
H3 C1 H4 107.715 H3 C1 C5 111.340
H4 C1 C5 111.340 C5 C8 H9 111.005
C5 C8 H10 111.005 C5 C8 C11 114.799
H6 C5 H7 105.865 H6 C5 C8 109.109
H7 C5 C8 109.109 C8 C11 H12 115.802
C8 C11 O13 124.603 H9 C8 H10 104.945
H9 C8 C11 107.262 H10 C8 C11 107.262
H12 C11 O13 119.595
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.476      
2 H 0.155      
3 H 0.139      
4 H 0.139      
5 C -0.205      
6 H 0.147      
7 H 0.147      
8 C -0.279      
9 H 0.157      
10 H 0.157      
11 C -0.017      
12 H 0.095      
13 O -0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.162 2.120 0.000 3.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.622 -4.216 0.000
y -4.216 -30.983 0.000
z 0.000 0.000 -31.104
Traceless
 xyz
x -7.579 -4.216 0.000
y -4.216 3.880 0.000
z 0.000 0.000 3.699
Polar
3z2-r27.398
x2-y2-7.640
xy-4.216
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.205 0.015 0.000
y 0.015 7.740 0.000
z 0.000 0.000 5.932


<r2> (average value of r2) Å2
<r2> 130.716
(<r2>)1/2 11.433