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All results from a given calculation for CH3CHCHCH3 (2-Butene, (Z)-)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-156.327335
Energy at 298.15K-156.335027
Nuclear repulsion energy117.897455
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 LSDA/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 3099 3041 43.48      
2 A 3074 3017 6.52      
3 A 2976 2920 13.21      
4 A 1740 1707 3.64      
5 A 1458 1431 9.74      
6 A 1378 1352 10.40      
7 A 1252 1229 0.16      
8 A 1010 991 0.47      
9 A 884 868 1.19      
10 A 304 298 0.00      
11 A 3033 2976 0.00      
12 A 1437 1410 0.00      
13 A 1020 1000 0.00      
14 A 968 950 0.00      
15 A 389 381 0.00      
16 A 170 166 0.00      
17 A 3033 2977 25.23      
18 A 1442 1415 16.44      
19 A 1027 1007 0.05      
20 A 672 659 40.81      
21 A 137 134 1.68      
22 A 3083 3026 12.85      
23 A 3067 3010 1.51      
24 A 2974 2919 27.24      
25 A 1447 1420 2.99      
26 A 1405 1379 15.03      
27 A 1338 1313 0.21      
28 A 1136 1115 1.53      
29 A 987 969 23.05      
30 A 554 544 10.83      

Unscaled Zero Point Vibrational Energy (zpe) 23245.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 22810.8 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 LSDA/6-31G*
ABC
0.54173 0.17379 0.13839

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.666
C2 0.000 -0.669 0.666
C3 0.000 1.559 -0.520
C4 0.000 -1.559 -0.520
H5 0.000 1.177 1.641
H6 0.000 -1.177 1.641
H7 0.000 1.000 -1.471
H8 0.000 -1.000 -1.471
H9 -0.884 2.224 -0.523
H10 0.884 2.224 -0.523
H11 0.884 -2.224 -0.523
H12 -0.884 -2.224 -0.523

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33851.48262.52431.09952.08822.16202.71142.14802.14803.25093.2509
C21.33852.52431.48262.08821.09952.71142.16203.25093.25092.14802.1480
C31.48262.52433.11832.19433.48681.10292.73021.10631.10633.88533.8853
C42.52431.48263.11833.48682.19432.73021.10293.88533.88531.10631.1063
H51.09952.08822.19433.48682.35473.11663.79782.56162.56164.12754.1275
H62.08821.09953.48682.19432.35473.79783.11664.12754.12752.56162.5616
H72.16202.71141.10292.73023.11663.79782.00031.78251.78253.47503.4750
H82.71142.16202.73021.10293.79783.11662.00033.47503.47501.78251.7825
H92.14803.25091.10633.88532.56164.12751.78253.47501.76824.78704.4484
H102.14803.25091.10633.88532.56164.12751.78253.47501.76824.44844.7870
H113.25092.14803.88531.10634.12752.56163.47501.78254.78704.44841.7682
H123.25092.14803.88531.10634.12752.56163.47501.78254.44844.78701.7682

picture of 2-Butene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.888 C1 C2 H6 117.524
C1 C3 H7 112.657 C1 C3 H9 111.306
C1 C3 H10 111.306 C2 C1 C3 126.888
C2 C1 H5 117.524 C2 C4 H8 112.657
C2 C4 H11 111.306 C2 C4 H12 111.306
C3 C1 H5 115.588 C4 C2 H6 115.588
H7 C3 H9 107.577 H7 C3 H10 107.577
H8 C4 H11 107.577 H8 C4 H12 107.577
H9 C3 H10 106.094 H11 C4 H12 106.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 C -0.100      
3 C -0.590      
4 C -0.590      
5 H 0.141      
6 H 0.141      
7 H 0.175      
8 H 0.175      
9 H 0.187      
10 H 0.187      
11 H 0.187      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.210 0.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.584 0.000 0.000
y 0.000 -24.378 0.000
z 0.000 0.000 -25.638
Traceless
 xyz
x -2.576 0.000 0.000
y 0.000 2.233 0.000
z 0.000 0.000 0.343
Polar
3z2-r20.685
x2-y2-3.206
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.401 0.000 0.000
y 0.000 9.074 0.000
z 0.000 0.000 6.178


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000