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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-231.088720
Energy at 298.15K-231.094454
HF Energy-231.088720
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3129 3068 12.30      
2 A' 3088 3027 34.80      
3 A' 3070 3010 2.42      
4 A' 2977 2919 18.15      
5 A' 2792 2737 141.83      
6 A' 1736 1702 252.07      
7 A' 1674 1641 45.79      
8 A' 1483 1454 18.14      
9 A' 1411 1384 2.49      
10 A' 1406 1378 2.44      
11 A' 1315 1289 3.21      
12 A' 1266 1241 0.04      
13 A' 1154 1131 55.20      
14 A' 1084 1063 18.36      
15 A' 935 917 27.36      
16 A' 535 524 8.21      
17 A' 454 445 2.07      
18 A' 208 203 5.48      
19 A" 3028 2969 16.81      
20 A" 1477 1448 8.02      
21 A" 1050 1030 0.28      
22 A" 1008 988 8.87      
23 A" 977 958 21.81      
24 A" 771 756 0.11      
25 A" 291 285 6.40      
26 A" 193 190 0.53      
27 A" 124 121 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 19317.1 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 18938.5 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 B97D3/6-31G*
ABC
1.09101 0.07186 0.06827

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.389 -0.511 0.000
C2 0.900 -0.668 0.000
C3 0.000 0.339 0.000
C4 -1.446 0.067 0.000
O5 -2.316 0.929 0.000
H6 -1.710 -1.023 0.000
H7 0.308 1.387 0.000
H8 0.520 -1.697 0.000
H9 2.689 0.545 0.000
H10 2.832 -1.002 0.883
H11 2.832 -1.002 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11
C11.49702.53543.87774.92064.13082.81692.21341.09811.10271.1027
C21.49701.35042.45823.59102.63422.13901.09702.16192.14992.1499
C32.53541.35041.47072.39042.18611.09282.10112.69733.25503.2550
C43.87772.45821.47071.22481.12232.19432.64154.16244.49654.4965
O54.92063.59102.39041.22482.04402.66373.86535.02045.56875.5687
H64.13082.63422.18611.12232.04403.14342.32974.67064.62694.6269
H72.81692.13901.09282.19432.66373.14343.09162.52623.58583.5858
H82.21341.09702.10112.64153.86532.32973.09163.11992.57042.5704
H91.09812.16192.69734.16245.02044.67062.52623.11991.78671.7867
H101.10272.14993.25504.49655.56874.62693.58582.57041.78671.7651
H111.10272.14993.25504.49655.56874.62693.58582.57041.78671.7651

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 125.778 C1 C2 H8 116.291
C2 C1 H9 111.906 C2 C1 H10 110.662
C2 C1 H11 110.662 C2 C3 C4 121.178
C2 C3 H7 121.852 C3 C2 H8 117.931
C3 C4 O5 124.694 C3 C4 H6 114.255
C4 C3 H7 116.971 O5 C4 H6 121.051
H9 C1 H10 108.546 H9 C1 H11 108.546
H10 C1 H11 106.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.508      
2 C -0.085      
3 C -0.140      
4 C 0.213      
5 O -0.403      
6 H 0.093      
7 H 0.151      
8 H 0.150      
9 H 0.174      
10 H 0.178      
11 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.460 -1.865 0.000 3.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.042 3.134 0.000
y 3.134 -29.400 0.000
z 0.000 0.000 -30.393
Traceless
 xyz
x -4.145 3.134 0.000
y 3.134 2.817 0.000
z 0.000 0.000 1.328
Polar
3z2-r22.656
x2-y2-4.642
xy3.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.636 -1.948 0.000
y -1.948 7.192 0.000
z 0.000 0.000 3.631


<r2> (average value of r2) Å2
<r2> 162.233
(<r2>)1/2 12.737