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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-157.004060
Energy at 298.15K-157.011872
HF Energy-157.004060
Nuclear repulsion energy116.231304
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/aug-cc-pVDZ
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 3163 3144 16.79      
2 A 3070 3051 3.77      
3 A 3058 3039 38.87      
4 A 3056 3037 28.50      
5 A 3047 3029 23.14      
6 A 3003 2985 8.72      
7 A 2969 2951 32.21      
8 A 2950 2932 24.67      
9 A 1659 1649 15.60      
10 A 1429 1420 6.03      
11 A 1419 1411 6.25      
12 A 1405 1396 4.63      
13 A 1390 1382 1.28      
14 A 1334 1326 2.31      
15 A 1282 1274 0.94      
16 A 1262 1255 1.78      
17 A 1232 1225 0.23      
18 A 1153 1146 0.52      
19 A 1048 1042 3.27      
20 A 1013 1006 2.00      
21 A 978 972 13.90      
22 A 945 939 2.37      
23 A 904 899 41.90      
24 A 841 836 2.71      
25 A 763 759 3.19      
26 A 630 626 10.64      
27 A 419 417 0.82      
28 A 303 301 0.58      
29 A 221 220 0.04      
30 A 100 99 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 23023.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 22883.1 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 PBEPBE/aug-cc-pVDZ
ABC
0.74875 0.13645 0.13327

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.733 -0.243 -0.298
C2 0.543 0.518 0.313
C3 -0.719 -0.301 0.336
C4 -1.872 0.022 -0.277
H5 -0.665 -1.250 0.897
H6 1.529 -0.512 -1.351
H7 2.652 0.371 -0.271
H8 1.935 -1.179 0.256
H9 0.804 0.810 1.353
H10 0.364 1.458 -0.246
H11 -1.974 0.954 -0.852
H12 -2.754 -0.630 -0.226

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53892.53263.61412.86251.10601.10601.10702.16732.18343.93474.5041
C21.53891.50422.53482.21972.19192.19402.19591.11091.10802.80803.5325
C32.53261.50421.34511.10432.81783.49052.79622.14162.14552.13622.1370
C43.61412.53481.34512.11033.60574.53764.02713.23052.65721.10031.0981
H52.86252.21971.10432.11033.22683.87292.67882.57073.11433.10402.4517
H61.10602.19192.81783.60573.22681.79161.78693.09622.54143.83034.4298
H71.10602.19403.49054.53763.87291.79161.78782.49962.53354.69955.4986
H81.10702.19592.79624.02712.67881.78691.78782.53763.11024.58944.7457
H92.16731.11092.14163.23052.57073.09622.49962.53761.78053.54984.1501
H102.18341.10802.14552.65723.11432.54142.53353.11021.78052.46753.7523
H113.93472.80802.13621.10033.10403.83034.69954.58943.54982.46751.8733
H124.50413.53252.13701.09812.45174.42985.49864.74574.15013.75231.8733

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.650 C1 C2 H9 108.674
C1 C2 H10 110.083 C2 C1 H6 110.871
C2 C1 H7 111.037 C2 C1 H8 111.132
C2 C3 C4 125.558 C2 C3 H5 115.780
C3 C2 H9 109.029 C3 C2 H10 109.499
C3 C4 H11 121.425 C3 C4 H12 121.688
C4 C3 H5 118.656 H6 C1 H7 108.185
H6 C1 H8 107.698 H7 C1 H8 107.776
H9 C2 H10 106.721 H11 C4 H12 116.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.495      
2 C 0.607      
3 C 1.336      
4 C 0.407      
5 H -0.671      
6 H -0.188      
7 H -0.229      
8 H -0.182      
9 H -0.238      
10 H -0.337      
11 H -0.526      
12 H -0.475      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.430 0.072 0.107 0.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.172 0.519 0.819
y 0.519 -26.860 -1.219
z 0.819 -1.219 -27.879
Traceless
 xyz
x 0.197 0.519 0.819
y 0.519 0.666 -1.219
z 0.819 -1.219 -0.863
Polar
3z2-r2-1.725
x2-y2-0.313
xy0.519
xz0.819
yz-1.219


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.435 -0.148 0.629
y -0.148 7.392 -0.226
z 0.629 -0.226 7.174


<r2> (average value of r2) Å2
<r2> 104.422
(<r2>)1/2 10.219