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

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-157.034423
Energy at 298.15K-157.042170
Nuclear repulsion energy115.869245
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 HSEh1PBE/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 3161 3007 0.00      
2 A 3145 2990 0.00      
3 A 3053 2903 0.00      
4 A 1786 1699 0.00      
5 A 1517 1442 0.00      
6 A 1440 1369 0.00      
7 A 1344 1278 0.00      
8 A 1186 1128 0.00      
9 A 893 849 0.00      
10 A 505 480 0.00      
11 A 3110 2957 48.09      
12 A 1506 1432 14.35      
13 A 1080 1027 0.09      
14 A 1014 964 30.58      
15 A 246 234 3.51      
16 A 183 174 1.26      
17 A 3110 2958 0.00      
18 A 1507 1433 0.00      
19 A 1076 1023 0.00      
20 A 758 721 0.00      
21 A 238 226 0.00      
22 A 3167 3012 78.82      
23 A 3144 2990 13.05      
24 A 3052 2903 68.00      
25 A 1525 1450 17.15      
26 A 1439 1369 3.64      
27 A 1340 1275 4.73      
28 A 1109 1055 2.06      
29 A 996 947 16.43      
30 A 282 269 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 23955.2 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 22781.4 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 HSEh1PBE/6-31G*
ABC
1.16107 0.12453 0.11735

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.582 0.000
C2 -0.325 -0.582 0.000
C3 -0.325 1.929 0.000
C4 0.325 -1.929 0.000
H5 1.416 0.571 0.000
H6 -1.416 -0.571 0.000
H7 -1.416 1.847 0.000
H8 1.416 -1.847 0.000
H9 -0.029 2.516 0.880
H10 -0.029 2.516 -0.880
H11 0.029 -2.516 0.880
H12 0.029 -2.516 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33341.49502.51151.09202.08862.15172.66352.15342.15343.23413.2341
C21.33342.51151.49502.08861.09202.66352.15173.23413.23412.15342.1534
C31.49502.51153.91252.20772.72861.09494.15811.09791.09794.54484.5448
C42.51151.49503.91252.72862.20774.15811.09494.54484.54481.09791.0979
H51.09202.08862.20772.72863.05473.10672.41852.57772.57773.49693.4969
H62.08861.09202.72862.20773.05472.41853.10673.49693.49692.57772.5777
H72.15172.66351.09494.15813.10672.41854.65511.77351.77354.67944.6794
H82.66352.15174.15811.09492.41853.10674.65514.67944.67941.77351.7735
H92.15343.23411.09794.54482.57773.49691.77354.67941.75975.03175.3305
H102.15343.23411.09794.54482.57773.49691.77354.67941.75975.33055.0317
H113.23412.15344.54481.09793.49692.57774.67941.77355.03175.33051.7597
H123.23412.15344.54481.09793.49692.57774.67941.77355.33055.03171.7597

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 125.142 C1 C2 H6 118.555
C1 C3 H7 111.428 C1 C3 H9 111.381
C1 C3 H10 111.381 C2 C1 C3 125.142
C2 C1 H5 118.555 C2 C4 H8 111.428
C2 C4 H11 111.381 C2 C4 H12 111.381
C3 C1 H5 116.303 C4 C2 H6 116.303
H7 C3 H9 107.950 H7 C3 H10 107.950
H8 C4 H11 107.950 H8 C4 H12 107.950
H9 C3 H10 106.533 H11 C4 H12 106.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.119      
3 C -0.560      
4 C -0.560      
5 H 0.147      
6 H 0.147      
7 H 0.176      
8 H 0.176      
9 H 0.178      
10 H 0.178      
11 H 0.178      
12 H 0.178      


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        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.197 0.298 0.000
y 0.298 -24.795 0.000
z 0.000 0.000 -27.580
Traceless
 xyz
x 0.991 0.298 0.000
y 0.298 1.593 0.000
z 0.000 0.000 -2.583
Polar
3z2-r2-5.167
x2-y2-0.401
xy0.298
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.980 0.415 0.000
y 0.415 9.009 0.000
z 0.000 0.000 4.331


<r2> (average value of r2) Å2
<r2> 111.321
(<r2>)1/2 10.551