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All results from a given calculation for CHOCH2CH2CH3 (Butanal)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-232.240627
Energy at 298.15K-232.249108
Nuclear repulsion energy171.275849
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 PBEPBE/cc-pVTZ
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' 3036 3015 31.19      
2 A' 2979 2959 18.52      
3 A' 2961 2940 24.04      
4 A' 2927 2907 22.66      
5 A' 2759 2740 172.09      
6 A' 1752 1740 148.61      
7 A' 1456 1446 7.09      
8 A' 1439 1429 2.64      
9 A' 1393 1383 12.90      
10 A' 1367 1357 2.89      
11 A' 1363 1354 5.23      
12 A' 1340 1331 24.36      
13 A' 1266 1257 8.63      
14 A' 1104 1096 10.14      
15 A' 1032 1025 0.14      
16 A' 937 931 8.00      
17 A' 834 828 11.68      
18 A' 679 675 12.04      
19 A' 336 333 0.47      
20 A' 186 185 7.92      
21 A" 3030 3009 48.90      
22 A" 3003 2983 0.47      
23 A" 2947 2927 7.24      
24 A" 1451 1441 7.28      
25 A" 1279 1270 0.21      
26 A" 1209 1200 0.09      
27 A" 1110 1102 0.01      
28 A" 917 911 0.01      
29 A" 761 756 1.86      
30 A" 639 635 4.27      
31 A" 248 246 0.01      
32 A" 181 180 1.10      
33 A" 75 74 1.74      

Unscaled Zero Point Vibrational Energy (zpe) 23997.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 23831.5 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 PBEPBE/cc-pVTZ
ABC
0.50478 0.08410 0.07508

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.289 -0.363 0.000
H2 2.821 -1.325 0.000
H3 2.618 0.198 0.887
H4 2.618 0.198 -0.887
C5 0.774 -0.569 0.000
H6 0.470 -1.162 -0.876
H7 0.470 -1.162 0.876
C8 0.000 0.744 0.000
H9 0.264 1.373 0.872
H10 0.264 1.373 -0.872
C11 -1.501 0.606 0.000
H12 -2.057 1.582 0.000
O13 -2.105 -0.447 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 O13
C11.09871.10041.10041.52842.17072.17072.54282.80662.80663.91214.76164.3948
H21.09871.77411.77412.18132.51342.51343.49823.81803.81804.73365.67835.0033
H31.10041.77411.77442.18543.09392.54252.81792.63153.16554.23364.95604.8491
H41.10041.77411.77442.18542.54253.09392.81793.16552.63154.23364.95604.8491
C51.52842.18132.18542.18541.10041.10041.52492.18952.18952.56123.55622.8821
H62.17072.51343.09392.54251.10041.75142.15013.08622.54352.78943.83232.8126
H72.17072.51342.54253.09391.10041.75142.15012.54353.08622.78943.83232.8126
C82.54283.49822.81792.81791.52492.15012.15011.10701.10701.50752.22122.4189
H92.80663.81802.63153.16552.18953.08622.54351.10701.74462.11262.48803.1119
H102.80663.81803.16552.63152.18952.54353.08621.10701.74462.11262.48803.1119
C113.91214.73364.23364.23362.56122.78942.78941.50752.11262.11261.12321.2142
H124.76165.67834.95604.95603.55623.83233.83232.22122.48802.48801.12322.0299
O134.39485.00334.84914.84912.88212.81262.81262.41893.11193.11191.21422.0299

picture of Butanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.267 C1 C5 H7 110.267
C1 C5 C8 112.774 H2 C1 H3 107.558
H2 C1 H4 107.558 H2 C1 C5 111.205
H3 C1 H4 107.456 H3 C1 C5 111.430
H4 C1 C5 111.430 C5 C8 H9 111.605
C5 C8 H10 111.605 C5 C8 C11 115.260
H6 C5 H7 105.467 H6 C5 C8 108.896
H7 C5 C8 108.896 C8 C11 H12 114.412
C8 C11 O13 125.086 H9 C8 H10 103.998
H9 C8 C11 106.806 H10 C8 C11 106.806
H12 C11 O13 120.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.292      
2 H 0.102      
3 H 0.089      
4 H 0.089      
5 C -0.142      
6 H 0.094      
7 H 0.094      
8 C -0.139      
9 H 0.093      
10 H 0.093      
11 C 0.098      
12 H 0.041      
13 O -0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.821 1.707 0.000 2.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.161 -3.309 0.000
y -3.309 -31.357 0.000
z 0.000 0.000 -31.061
Traceless
 xyz
x -5.952 -3.309 0.000
y -3.309 2.754 0.000
z 0.000 0.000 3.198
Polar
3z2-r26.396
x2-y2-5.804
xy-3.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.306 -0.225 0.000
y -0.225 8.198 0.000
z 0.000 0.000 6.346


<r2> (average value of r2) Å2
<r2> 156.519
(<r2>)1/2 12.511