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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-156.795015
Energy at 298.15K-156.803013
HF Energy-156.159432
Nuclear repulsion energy117.263779
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 CCD/TZVP
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 3270 3100 18.28      
2 A 3184 3019 3.87      
3 A 3171 3007 28.62      
4 A 3151 2987 37.81      
5 A 3146 2982 37.82      
6 A 3110 2949 7.79      
7 A 3069 2909 25.58      
8 A 3065 2905 29.66      
9 A 1739 1648 5.83      
10 A 1531 1451 3.78      
11 A 1527 1448 6.71      
12 A 1510 1432 2.52      
13 A 1488 1410 1.56      
14 A 1449 1374 1.84      
15 A 1384 1312 2.64      
16 A 1341 1272 1.31      
17 A 1316 1248 0.23      
18 A 1224 1161 0.25      
19 A 1119 1061 4.31      
20 A 1055 1000 1.45      
21 A 1016 964 17.67      
22 A 1006 953 1.22      
23 A 892 846 39.89      
24 A 877 831 1.08      
25 A 807 765 2.00      
26 A 647 613 8.92      
27 A 439 416 0.55      
28 A 319 302 0.51      
29 A 239 226 0.05      
30 A 112 106 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 24100.6 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 22847.3 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 CCD/TZVP
ABC
0.75911 0.13889 0.13548

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.721 -0.241 -0.294
C2 0.537 0.519 0.311
C3 -0.717 -0.308 0.334
C4 -1.853 0.024 -0.275
H5 -0.662 -1.246 0.882
H6 1.502 -0.536 -1.322
H7 2.622 0.376 -0.299
H8 1.936 -1.148 0.276
H9 0.789 0.822 1.333
H10 0.355 1.434 -0.257
H11 -1.946 0.950 -0.832
H12 -2.726 -0.614 -0.237

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53142.51843.58392.84081.09171.09161.09242.15562.16243.89284.4632
C21.53141.50262.51062.20872.17022.17642.17621.09501.09312.76763.4978
C32.51841.50261.33101.08752.77773.46612.78332.13142.12942.10972.1108
C43.58392.51061.33102.09033.55844.48834.00413.19412.61981.08411.0821
H52.84082.20871.08752.09033.16883.84792.66932.56613.08473.06672.4311
H61.09172.17022.77773.55843.16881.76931.76563.06612.51603.78574.3656
H71.09162.17643.46614.48833.84791.76931.76742.49462.50204.63395.4388
H81.09242.17622.78334.00412.66931.76561.76742.51273.07464.54934.7204
H92.15561.09502.13143.19412.56613.06612.49462.51271.75873.49024.1085
H102.16241.09312.12942.61983.08472.51602.50203.07461.75872.42033.6998
H113.89282.76762.10971.08413.06673.78574.63394.54933.49022.42031.8461
H124.46323.49782.11081.08212.43114.36565.43884.72044.10853.69981.8461

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 112.206 C1 C2 H9 109.195
C1 C2 H10 109.829 C2 C1 H6 110.534
C2 C1 H7 111.034 C2 C1 H8 110.963
C2 C3 C4 124.633 C2 C3 H5 116.100
C3 C2 H9 109.269 C3 C2 H10 109.219
C3 C4 H11 121.408 C3 C4 H12 121.680
C4 C3 H5 119.260 H6 C1 H7 108.266
H6 C1 H8 107.882 H7 C1 H8 108.045
H9 C2 H10 106.981 H11 C4 H12 116.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability