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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-154.240275
Energy at 298.15K-154.248314
HF Energy-154.240275
Nuclear repulsion energy117.160070
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 HF/STO-3G
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 3809 3110 0.10 38.80 0.72 0.84
2 A 3754 3065 2.13 19.04 0.73 0.85
3 A 3752 3064 1.89 34.47 0.73 0.84
4 A 3719 3037 1.33 27.16 0.64 0.78
5 A 3705 3025 3.01 62.49 0.37 0.54
6 A 3650 2981 28.34 26.57 0.16 0.28
7 A 3599 2939 3.05 44.52 0.17 0.29
8 A 3569 2914 2.16 39.58 0.02 0.04
9 A 2073 1693 1.28 13.16 0.08 0.15
10 A 1843 1505 1.08 4.89 0.74 0.85
11 A 1835 1498 1.74 18.40 0.75 0.86
12 A 1815 1482 1.35 23.56 0.75 0.86
13 A 1739 1420 0.19 3.68 0.58 0.74
14 A 1730 1412 1.05 11.64 0.59 0.74
15 A 1629 1330 13.09 3.71 0.71 0.83
16 A 1540 1257 4.89 21.19 0.56 0.72
17 A 1525 1245 0.08 17.44 0.74 0.85
18 A 1404 1147 0.06 4.68 0.65 0.79
19 A 1303 1064 1.99 4.64 0.32 0.49
20 A 1252 1022 2.22 0.79 0.56 0.71
21 A 1217 994 0.36 6.76 0.70 0.83
22 A 1157 944 1.72 0.88 0.63 0.77
23 A 1155 943 16.65 0.56 0.73 0.85
24 A 1007 823 0.43 7.69 0.25 0.40
25 A 935 764 2.33 0.24 0.71 0.83
26 A 755 617 3.07 5.72 0.63 0.77
27 A 477 389 0.52 2.28 0.42 0.59
28 A 357 292 0.27 2.45 0.73 0.84
29 A 239 195 0.01 0.21 0.72 0.83
30 A 100 81 0.01 4.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 28321.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 23124.6 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 HF/STO-3G
ABC
0.75401 0.13807 0.13475

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.729 -0.257 -0.290
C2 0.542 0.532 0.304
C3 -0.738 -0.295 0.341
C4 -1.848 0.015 -0.280
H5 -0.683 -1.203 0.932
H6 1.520 -0.555 -1.313
H7 2.628 0.354 -0.289
H8 1.924 -1.152 0.292
H9 0.797 0.843 1.317
H10 0.375 1.434 -0.281
H11 -1.941 0.910 -0.880
H12 -2.730 -0.607 -0.223

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54472.54733.58712.86541.08591.08611.08602.15932.16683.89574.4732
C21.54471.52452.51332.21512.18022.17592.17961.09041.08782.77583.5040
C32.54731.52451.30831.08512.81113.48522.79772.14602.14832.09452.0932
C43.58712.51331.30832.07563.56804.48793.98963.19852.63671.08141.0810
H52.86542.21511.08512.07563.21193.85702.68562.55433.08973.05432.4244
H61.08592.18022.81113.56803.21191.76121.76033.06522.51653.78234.3872
H71.08612.17593.48524.48793.85701.76121.76082.48402.49884.63975.4431
H81.08602.17962.79773.98962.68561.76031.76082.51053.06944.53474.7140
H92.15931.09042.14603.19852.55433.06522.48402.51051.75593.51104.1127
H102.16681.08782.14832.63673.08972.51652.49883.06941.75592.44813.7159
H113.89572.77582.09451.08143.05433.78234.63974.53473.51102.44811.8319
H124.47323.50402.09321.08102.42444.38725.44314.71404.11273.71591.8319

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 112.185 C1 C2 H9 108.835
C1 C2 H10 109.566 C2 C1 H6 110.738
C2 C1 H7 110.383 C2 C1 H8 110.681
C2 C3 C4 124.876 C2 C3 H5 115.136
C3 C2 H9 109.183 C3 C2 H10 109.510
C3 C4 H11 122.150 C3 C4 H12 122.048
C4 C3 H5 119.988 H6 C1 H7 108.363
H6 C1 H8 108.279 H7 C1 H8 108.313
H9 C2 H10 107.443 H11 C4 H12 115.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C -0.101      
3 C -0.050      
4 C -0.142      
5 H 0.056      
6 H 0.060      
7 H 0.060      
8 H 0.058      
9 H 0.059      
10 H 0.059      
11 H 0.058      
12 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.257 0.009 0.070 0.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.225 0.286 0.384
y 0.286 -24.842 -0.647
z 0.384 -0.647 -25.279
Traceless
 xyz
x -0.165 0.286 0.384
y 0.286 0.410 -0.647
z 0.384 -0.647 -0.245
Polar
3z2-r2-0.490
x2-y2-0.383
xy0.286
xz0.384
yz-0.647


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.579 -0.034 0.836
y -0.034 2.788 -0.548
z 0.836 -0.548 2.579


<r2> (average value of r2) Å2
<r2> 101.935
(<r2>)1/2 10.096