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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-156.138690
Energy at 298.15K-156.146642
Nuclear repulsion energy116.273115
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 HF/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 3282 2968 0.00      
2 A 3244 2934 0.00      
3 A 3171 2868 0.00      
4 A 1896 1715 0.00      
5 A 1625 1469 0.00      
6 A 1553 1404 0.00      
7 A 1447 1309 0.00      
8 A 1262 1141 0.00      
9 A 933 844 0.00      
10 A 533 482 0.00      
11 A 3212 2905 98.54      
12 A 1615 1460 13.58      
13 A 1171 1059 7.19      
14 A 1098 993 38.28      
15 A 263 238 3.97      
16 A 181 164 0.61      
17 A 3212 2905 0.00      
18 A 1615 1461 0.00      
19 A 1180 1068 0.00      
20 A 832 753 0.00      
21 A 233 211 0.00      
22 A 3289 2975 101.23      
23 A 3241 2931 46.21      
24 A 3170 2867 105.09      
25 A 1631 1475 17.59      
26 A 1551 1402 4.48      
27 A 1448 1310 3.46      
28 A 1140 1031 0.87      
29 A 1065 963 10.33      
30 A 303 274 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 25198.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 22789.2 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 HF/6-311G*
ABC
1.18136 0.12462 0.11756

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.659 0.000
C2 0.000 -0.659 0.000
C3 -1.227 1.527 0.000
C4 1.227 -1.527 0.000
H5 0.947 1.180 0.000
H6 -0.947 -1.180 0.000
H7 -2.134 0.935 0.000
H8 2.134 -0.935 0.000
H9 -1.247 2.174 0.873
H10 -1.247 2.174 -0.873
H11 1.247 -2.174 0.873
H12 1.247 -2.174 -0.873

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.31851.50262.50701.08072.06902.15222.66422.14742.14743.21613.2161
C21.31852.50701.50262.06901.08072.66422.15223.21613.21612.14742.1474
C31.50262.50703.91762.20062.72221.08404.16651.08661.08664.53634.5363
C42.50701.50263.91762.72222.20064.16651.08404.53634.53631.08661.0866
H51.08072.06902.20062.72223.02633.09092.42632.56162.56163.47893.4789
H62.06901.08072.72222.20063.02632.42633.09093.47893.47892.56162.5616
H72.15222.66421.08404.16653.09092.42634.66061.75601.75604.67574.6757
H82.66422.15224.16651.08402.42633.09094.66064.67574.67571.75601.7560
H92.14743.21611.08664.53632.56163.47891.75604.67571.74645.01215.3076
H102.14743.21611.08664.53632.56163.47891.75604.67571.74645.30765.0121
H113.21612.14744.53631.08663.47892.56164.67571.75605.01215.30761.7464
H123.21612.14744.53631.08663.47892.56164.67571.75605.30765.01211.7464

picture of 2-Butene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.288 C1 C2 H6 118.839
C1 C3 H7 111.600 C1 C3 H9 111.052
C1 C3 H10 111.052 C2 C1 C3 125.288
C2 C1 H5 118.839 C2 C4 H8 111.600
C2 C4 H11 111.052 C2 C4 H12 111.052
C3 C1 H5 115.873 C4 C2 H6 115.873
H7 C3 H9 107.998 H7 C3 H10 107.998
H8 C4 H11 107.998 H8 C4 H12 107.998
H9 C3 H10 106.952 H11 C4 H12 106.952
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.197 -0.196   -0.142
2 C -0.207 -0.196   -0.136
3 H 0.197 0.005   -0.334
4 C -0.207 0.005   -0.324
5 H 0.212 0.140   0.154
6 H 0.213 0.140   0.155
7 H 0.213 0.015   0.100
8 C -0.627 0.015   0.096
9 H 0.212 0.019   0.109
10 H 0.213 0.019   0.109
11 H 0.213 0.019   0.106
12 C -0.627 0.019   0.106


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 0.000 0.000
CHELPG        
AIM        
ESP -0.018 -0.016 0.000 0.024


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.140 0.313 0.000
y 0.313 -25.488 0.000
z 0.000 0.000 -28.480
Traceless
 xyz
x 0.844 0.313 0.000
y 0.313 1.822 0.000
z 0.000 0.000 -2.666
Polar
3z2-r2-5.333
x2-y2-0.652
xy0.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.253 -0.942 0.000
y -0.942 8.848 0.000
z 0.000 0.000 4.668


<r2> (average value of r2) Å2
<r2> 111.547
(<r2>)1/2 10.562