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

using model chemistry: HSEh1PBE/3-21G

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/3-21G
 hartrees
Energy at 0K-156.181489
Energy at 298.15K-156.189300
HF Energy-156.181489
Nuclear repulsion energy115.735352
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3159 3043 0.00      
2 Ag 3137 3022 0.00      
3 Ag 3051 2939 0.00      
4 Ag 1768 1703 0.00      
5 Ag 1552 1495 0.00      
6 Ag 1462 1409 0.00      
7 Ag 1374 1324 0.00      
8 Ag 1195 1151 0.00      
9 Ag 895 862 0.00      
10 Ag 518 499 0.00      
11 Au 3104 2990 37.93      
12 Au 1546 1489 21.12      
13 Au 1107 1067 2.31      
14 Au 1021 983 46.26      
15 Au 248 239 5.21      
16 Au 179 172 1.44      
17 Bg 3104 2990 0.00      
18 Bg 1547 1490 0.00      
19 Bg 1110 1070 0.00      
20 Bg 779 751 0.00      
21 Bg 230 221 0.00      
22 Bu 3170 3054 53.16      
23 Bu 3137 3021 12.78      
24 Bu 3050 2938 48.42      
25 Bu 1561 1504 22.77      
26 Bu 1462 1408 13.22      
27 Bu 1370 1320 1.84      
28 Bu 1085 1045 0.28      
29 Bu 1030 992 23.21      
30 Bu 291 280 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 24120.6 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 23235.3 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/3-21G
ABC
1.15093 0.12443 0.11721

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.328 0.579 0.000
C2 -0.328 -0.579 0.000
C3 -0.328 1.932 0.000
C4 0.328 -1.932 0.000
H5 1.419 0.573 0.000
H6 -1.419 -0.573 0.000
H7 -1.419 1.838 0.000
H8 1.419 -1.838 0.000
H9 -0.032 2.513 0.884
H10 -0.032 2.513 -0.884
H11 0.032 -2.513 0.884
H12 0.032 -2.513 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33171.50312.51121.09052.09232.15342.65212.15602.15603.22943.2294
C21.33172.51121.50312.09231.09052.65212.15343.22943.22942.15602.1560
C31.50312.51123.91882.21312.73151.09534.15491.09821.09824.54564.5456
C42.51121.50313.91882.73152.21314.15491.09534.54564.54561.09821.0982
H51.09052.09232.21312.73153.05953.10712.41052.57872.57873.49593.4959
H62.09231.09052.73152.21313.05952.41053.10713.49593.49592.57872.5787
H72.15342.65211.09534.15493.10712.41054.64421.77771.77774.67064.6706
H82.65212.15344.15491.09532.41053.10714.64424.67064.67061.77771.7777
H92.15603.22941.09824.54562.57873.49591.77774.67061.76795.02555.3274
H102.15603.22941.09824.54562.57873.49591.77774.67061.76795.32745.0255
H113.22942.15604.54561.09823.49592.57874.67061.77775.02555.32741.7679
H123.22942.15604.54561.09823.49592.57874.67061.77775.32745.02551.7679

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 124.600 C1 C2 H6 119.163
C1 C3 H7 110.962 C1 C3 H9 110.995
C1 C3 H10 110.995 C2 C1 C3 124.600
C2 C1 H5 119.163 C2 C4 H8 110.962
C2 C4 H11 110.995 C2 C4 H12 110.995
C3 C1 H5 116.237 C4 C2 H6 116.237
H7 C3 H9 108.275 H7 C3 H10 108.275
H8 C4 H11 108.275 H8 C4 H12 108.275
H9 C3 H10 107.199 H11 C4 H12 107.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 C -0.195      
3 C -0.672      
4 C -0.672      
5 H 0.201      
6 H 0.201      
7 H 0.218      
8 H 0.218      
9 H 0.224      
10 H 0.224      
11 H 0.224      
12 H 0.224      


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 -25.182 0.231 0.000
y 0.231 -24.606 0.000
z 0.000 0.000 -28.092
Traceless
 xyz
x 1.167 0.231 0.000
y 0.231 2.031 0.000
z 0.000 0.000 -3.198
Polar
3z2-r2-6.396
x2-y2-0.576
xy0.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.622 0.444 0.000
y 0.444 8.516 0.000
z 0.000 0.000 3.904


<r2> (average value of r2) Å2
<r2> 111.451
(<r2>)1/2 10.557