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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-231.238206
Energy at 298.15K-231.244080
HF Energy-231.238206
Nuclear repulsion energy153.770029
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/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' 3185 3045 5.04      
2 A' 3154 3015 23.86      
3 A' 3137 2999 0.69      
4 A' 3052 2918 12.10      
5 A' 2892 2765 100.93      
6 A' 1826 1746 332.61      
7 A' 1739 1663 49.61      
8 A' 1494 1429 20.09      
9 A' 1430 1367 1.46      
10 A' 1424 1361 4.53      
11 A' 1334 1275 4.13      
12 A' 1283 1227 0.59      
13 A' 1174 1122 58.95      
14 A' 1103 1055 22.01      
15 A' 951 909 27.20      
16 A' 551 527 8.67      
17 A' 468 448 2.44      
18 A' 214 204 6.94      
19 A" 3112 2975 9.80      
20 A" 1483 1418 9.08      
21 A" 1082 1035 0.69      
22 A" 1033 988 1.60      
23 A" 1007 963 41.27      
24 A" 795 760 0.03      
25 A" 292 279 8.05      
26 A" 202 193 0.14      
27 A" 129 123 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 19772.9 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 18902.9 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/cc-pVTZ
ABC
1.11149 0.07331 0.06965

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.372 -0.474 0.000
C2 0.894 -0.648 0.000
C3 0.000 0.337 0.000
C4 -1.434 0.045 0.000
O5 -2.298 0.886 0.000
H6 -1.695 -1.032 0.000
H7 0.292 1.380 0.000
H8 0.524 -1.670 0.000
H9 2.653 0.578 0.000
H10 2.812 -0.953 0.876
H11 2.812 -0.953 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11
C11.48822.50623.84024.86384.10482.78572.20091.08871.09161.0916
C21.48821.32952.42803.54132.61702.11511.08722.14422.13092.1309
C32.50621.32951.46302.36312.17851.08352.07452.66373.21533.2153
C43.84022.42801.46301.20661.10762.18202.60304.12104.44824.4482
O54.86383.54132.36311.20662.01042.63713.80854.96075.50135.5013
H64.10482.61702.17851.10762.01043.12502.30974.63634.59204.5920
H72.78572.11511.08352.18202.63713.12503.05932.49313.54413.5441
H82.20091.08722.07452.60303.80852.30973.05933.09602.55232.5523
H91.08872.14422.66374.12104.96074.63632.49313.09601.77141.7714
H101.09162.13093.21534.44825.50134.59203.54412.55231.77141.7526
H111.09162.13093.21534.44825.50134.59203.54412.55231.77141.7526

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 125.509 C1 C2 H8 116.563
C2 C1 H9 111.690 C2 C1 H10 110.436
C2 C1 H11 110.436 C2 C3 C4 120.713
C2 C3 H7 122.130 C3 C2 H8 117.928
C3 C4 O5 124.268 C3 C4 H6 115.175
C4 C3 H7 117.157 O5 C4 H6 120.556
H9 C1 H10 108.672 H9 C1 H11 108.672
H10 C1 H11 106.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 C -0.116      
3 C -0.137      
4 C 0.142      
5 O -0.276      
6 H 0.048      
7 H 0.139      
8 H 0.131      
9 H 0.093      
10 H 0.095      
11 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.490 -1.972 0.000 4.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.722 3.470 0.000
y 3.470 -29.625 0.000
z 0.000 0.000 -30.898
Traceless
 xyz
x -4.461 3.470 0.000
y 3.470 3.186 0.000
z 0.000 0.000 1.275
Polar
3z2-r22.550
x2-y2-5.097
xy3.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.857 -1.847 0.000
y -1.847 7.687 0.000
z 0.000 0.000 4.747


<r2> (average value of r2) Å2
<r2> 159.732
(<r2>)1/2 12.638