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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-156.991345
Energy at 298.15K-156.998973
HF Energy-156.991345
Nuclear repulsion energy115.076540
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 PBEPBEultrafine/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 Ag 3065 3015 0.00      
2 Ag 3051 3001 0.00      
3 Ag 2964 2915 0.00      
4 Ag 1715 1687 0.00      
5 Ag 1471 1446 0.00      
6 Ag 1391 1368 0.00      
7 Ag 1302 1280 0.00      
8 Ag 1148 1129 0.00      
9 Ag 865 851 0.00      
10 Ag 490 482 0.00      
11 Au 3015 2965 48.19      
12 Au 1461 1437 13.23      
13 Au 1044 1026 0.05      
14 Au 974 958 26.99      
15 Au 239 235 3.27      
16 Au 179 176 1.58      
17 Bg 3015 2966 0.00      
18 Bg 1461 1437 0.00      
19 Bg 1031 1014 0.00      
20 Bg 724 712 0.00      
21 Bg 233 229 0.00      
22 Bu 3071 3020 89.41      
23 Bu 3051 3001 7.25      
24 Bu 2964 2915 71.52      
25 Bu 1479 1455 15.85      
26 Bu 1390 1367 2.77      
27 Bu 1298 1277 6.34      
28 Bu 1075 1057 2.39      
29 Bu 966 950 17.34      
30 Bu 273 269 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 23201.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 22819.1 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 PBEPBEultrafine/6-31G*
ABC
1.14579 0.12286 0.11578

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.326 0.588 0.000
C2 -0.326 -0.588 0.000
C3 -0.326 1.941 0.000
C4 0.326 -1.941 0.000
H5 1.427 0.578 0.000
H6 -1.427 -0.578 0.000
H7 -1.426 1.861 0.000
H8 1.426 -1.861 0.000
H9 -0.028 2.534 0.886
H10 -0.028 2.534 -0.886
H11 0.028 -2.534 0.886
H12 0.028 -2.534 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.34481.50212.52941.10072.10502.16582.68492.16742.16743.25923.2592
C21.34482.52941.50212.10501.10072.68492.16583.25923.25922.16742.1674
C31.50212.52943.93702.22062.74911.10334.18661.10661.10664.57614.5761
C42.52941.50213.93702.74912.22064.18661.10334.57614.57611.10661.1066
H51.10072.10502.22062.74913.07843.12832.43872.59402.59403.52493.5249
H62.10501.10072.74912.22063.07842.43873.12833.52493.52492.59402.5940
H72.16582.68491.10334.18663.12832.43874.68931.78681.78684.71364.7136
H82.68492.16584.18661.10332.43873.12834.68934.71364.71361.78681.7868
H92.16743.25921.10664.57612.59403.52491.78684.71361.77135.06895.3695
H102.16743.25921.10664.57612.59403.52491.78684.71361.77135.36955.0689
H113.25922.16744.57611.10663.52492.59404.71361.78685.06895.36951.7713
H123.25922.16744.57611.10663.52492.59404.71361.78685.36955.06891.7713

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 125.277 C1 C2 H6 118.461
C1 C3 H7 111.544 C1 C3 H9 111.466
C1 C3 H10 111.466 C2 C1 C3 125.277
C2 C1 H5 118.461 C2 C4 H8 111.544
C2 C4 H11 111.466 C2 C4 H12 111.466
C3 C1 H5 116.262 C4 C2 H6 116.262
H7 C3 H9 107.903 H7 C3 H10 107.903
H8 C4 H11 107.903 H8 C4 H12 107.903
H9 C3 H10 106.318 H11 C4 H12 106.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.090      
3 C -0.533      
4 C -0.533      
5 H 0.124      
6 H 0.124      
7 H 0.164      
8 H 0.164      
9 H 0.167      
10 H 0.167      
11 H 0.167      
12 H 0.167      


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 -25.348 0.259 0.000
y 0.259 -24.754 0.000
z 0.000 0.000 -27.586
Traceless
 xyz
x 0.822 0.259 0.000
y 0.259 1.713 0.000
z 0.000 0.000 -2.534
Polar
3z2-r2-5.068
x2-y2-0.594
xy0.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.137 0.336 0.000
y 0.336 9.391 0.000
z 0.000 0.000 4.410


<r2> (average value of r2) Å2
<r2> 112.664
(<r2>)1/2 10.614