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All results from a given calculation for CHOCHCHCH3 (2-Butenal)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-231.214576
Energy at 298.15K-231.220426
HF Energy-231.214576
Nuclear repulsion energy153.481608
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 wB97X-D/6-311G**
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' 3180 3042 5.92      
2 A' 3149 3012 27.89      
3 A' 3132 2996 0.53      
4 A' 3047 2914 13.89      
5 A' 2886 2760 111.66      
6 A' 1834 1754 324.65      
7 A' 1742 1666 45.48      
8 A' 1492 1427 20.39      
9 A' 1429 1367 1.31      
10 A' 1419 1357 6.34      
11 A' 1332 1274 4.27      
12 A' 1278 1222 0.87      
13 A' 1169 1118 57.40      
14 A' 1103 1055 21.31      
15 A' 951 909 26.54      
16 A' 550 526 9.76      
17 A' 467 446 2.49      
18 A' 212 203 6.79      
19 A" 3110 2974 12.85      
20 A" 1482 1418 11.21      
21 A" 1079 1032 0.85      
22 A" 1034 989 1.82      
23 A" 1007 963 44.57      
24 A" 793 759 0.02      
25 A" 292 279 8.71      
26 A" 196 188 0.28      
27 A" 127 122 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 19745.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 18886.6 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 wB97X-D/6-311G**
ABC
1.10566 0.07304 0.06939

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.375 -0.480 0.000
C2 0.894 -0.652 0.000
C3 0.000 0.337 0.000
C4 -1.438 0.049 0.000
O5 -2.300 0.894 0.000
H6 -1.702 -1.030 0.000
H7 0.294 1.383 0.000
H8 0.523 -1.677 0.000
H9 2.659 0.574 0.000
H10 2.816 -0.961 0.879
H11 2.816 -0.961 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11
C11.49132.51203.84964.87294.11392.79302.20521.09141.09441.0944
C21.49131.33302.43463.54802.62302.12081.09012.14902.13612.1361
C32.51201.33301.46632.36622.18271.08612.08072.66993.22313.2231
C43.84962.43461.46631.20721.11052.18612.61194.13064.45954.4595
O54.87293.54802.36621.20722.01462.63973.81794.96955.51235.5123
H64.11392.62302.18271.11052.01463.13112.31684.64654.60304.6030
H72.79302.12081.08612.18612.63973.13113.06792.49973.55313.5531
H82.20521.09012.08072.61193.81792.31683.06793.10292.55792.5579
H91.09142.14902.66994.13064.96954.64652.49973.10291.77531.7753
H101.09442.13613.22314.45955.51234.60303.55312.55791.77531.7574
H111.09442.13613.22314.45955.51234.60303.55312.55791.77531.7574

picture of 2-Butenal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.512 C1 C2 H8 116.495
C2 C1 H9 111.691 C2 C1 H10 110.463
C2 C1 H11 110.463 C2 C3 C4 120.774
C2 C3 H7 122.162 C3 C2 H8 117.993
C3 C4 O5 124.227 C3 C4 H6 115.091
C4 C3 H7 117.064 O5 C4 H6 120.682
H9 C1 H10 108.629 H9 C1 H11 108.629
H10 C1 H11 106.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 C -0.138      
3 C -0.184      
4 C 0.196      
5 O -0.304      
6 H 0.069      
7 H 0.130      
8 H 0.126      
9 H 0.131      
10 H 0.139      
11 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.391 -1.959 0.000 3.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.666 3.443 0.000
y 3.443 -29.532 0.000
z 0.000 0.000 -30.965
Traceless
 xyz
x -4.417 3.443 0.000
y 3.443 3.283 0.000
z 0.000 0.000 1.134
Polar
3z2-r22.268
x2-y2-5.134
xy3.443
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.314 -1.890 0.000
y -1.890 7.393 0.000
z 0.000 0.000 4.148


<r2> (average value of r2) Å2
<r2> 160.240
(<r2>)1/2 12.659