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All results from a given calculation for CH2CCHCH3 (1,2-Butadiene)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-155.815476
Energy at 298.15K-155.820341
HF Energy-155.815476
Nuclear repulsion energy102.066522
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 PBEPBE/Def2TZVPP
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' 3066 3029 16.23      
2 A' 3051 3014 5.75      
3 A' 3045 3008 0.88      
4 A' 2961 2925 32.63      
5 A' 2002 1978 42.64      
6 A' 1453 1436 3.27      
7 A' 1420 1403 11.06      
8 A' 1352 1335 3.14      
9 A' 1315 1299 6.57      
10 A' 1124 1110 0.26      
11 A' 1054 1041 2.84      
12 A' 861 851 6.00      
13 A' 829 819 50.66      
14 A' 556 549 8.80      
15 A' 203 200 1.59      
16 A" 3121 3083 2.27      
17 A" 3012 2976 15.23      
18 A" 1430 1413 6.51      
19 A" 1018 1006 0.42      
20 A" 981 969 0.28      
21 A" 864 854 17.26      
22 A" 522 515 4.59      
23 A" 329 325 7.79      
24 A" 164 162 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 17865.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 17649.6 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 PBEPBE/Def2TZVPP
ABC
1.15161 0.13876 0.13020

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.687 1.832 0.000
C2 0.000 0.716 0.000
C3 0.682 -0.404 0.000
C4 0.075 -1.786 0.000
H5 -0.987 2.317 0.932
H6 -0.987 2.317 -0.932
H7 1.775 -0.343 0.000
H8 -1.020 -1.737 0.000
H9 0.399 -2.353 -0.885
H10 0.399 -2.353 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.31052.62123.69701.09241.09243.28533.58444.41284.4128
C21.31051.31072.50272.09882.09882.06722.65633.21853.2185
C32.62121.31071.50923.32463.32461.09532.16152.15922.1592
C43.69702.50271.50924.33904.33902.22961.09601.09991.0999
H51.09242.09883.32464.33901.86363.94624.15975.19874.8710
H61.09242.09883.32464.33901.86363.94624.15974.87105.1987
H73.28532.06721.09532.22963.94623.94623.12322.59152.5915
H83.58442.65632.16151.09604.15974.15973.12321.78191.7819
H94.41283.21852.15921.09995.19874.87102.59151.78191.7705
H104.41283.21852.15921.09994.87105.19872.59151.78191.7705

picture of 1,2-Butadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.723 C2 C1 H5 121.462
C2 C1 H6 121.462 C2 C3 C4 124.975
C2 C3 H7 118.167 C3 C4 H8 111.141
C3 C4 H9 110.717 C3 C4 H10 110.717
C4 C3 H7 116.858 H5 C1 H6 117.076
H8 C4 H9 108.476 H8 C4 H10 108.476
H9 C4 H10 107.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C 0.012      
3 C -0.171      
4 C -0.189      
5 H 0.108      
6 H 0.108      
7 H 0.091      
8 H 0.088      
9 H 0.088      
10 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 -0.462 0.000 0.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.171 -1.714 0.000
y -1.714 -23.482 0.000
z 0.000 0.000 -25.788
Traceless
 xyz
x -0.536 -1.714 0.000
y -1.714 1.997 0.000
z 0.000 0.000 -1.461
Polar
3z2-r2-2.922
x2-y2-1.689
xy-1.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.912 -2.352 0.000
y -2.352 11.259 0.000
z 0.000 0.000 5.470


<r2> (average value of r2) Å2
<r2> 99.176
(<r2>)1/2 9.959