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

using model chemistry: CCD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-156.666651
Energy at 298.15K-156.674640
HF Energy-156.104891
Nuclear repulsion energy116.886073
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/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 A 3264 3089 19.70      
2 A 3183 3013 4.37      
3 A 3165 2996 34.50      
4 A 3159 2990 30.55      
5 A 3153 2984 26.69      
6 A 3108 2941 11.19      
7 A 3075 2911 24.71      
8 A 3062 2898 26.82      
9 A 1759 1665 3.68      
10 A 1559 1476 5.35      
11 A 1551 1468 5.69      
12 A 1542 1459 2.05      
13 A 1498 1417 1.92      
14 A 1466 1388 2.34      
15 A 1393 1319 1.84      
16 A 1351 1279 1.29      
17 A 1327 1256 0.05      
18 A 1236 1170 0.18      
19 A 1129 1069 3.53      
20 A 1070 1013 1.19      
21 A 1030 975 14.13      
22 A 1014 959 2.32      
23 A 938 888 37.47      
24 A 886 839 1.16      
25 A 813 770 2.41      
26 A 657 622 8.39      
27 A 440 416 0.64      
28 A 325 307 0.46      
29 A 240 227 0.03      
30 A 105 99 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 24248.0 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 22950.7 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/6-31G*
ABC
0.74960 0.13816 0.13502

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.723 -0.246 -0.298
C2 0.543 0.521 0.313
C3 -0.719 -0.301 0.342
C4 -1.859 0.021 -0.279
H5 -0.664 -1.232 0.912
H6 1.506 -0.528 -1.336
H7 2.635 0.364 -0.291
H8 1.927 -1.165 0.265
H9 0.802 0.825 1.337
H10 0.363 1.444 -0.255
H11 -1.958 0.937 -0.862
H12 -2.740 -0.616 -0.230

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53422.52503.59262.85241.09651.09681.09732.16132.16953.90784.4794
C21.53421.50622.52452.21142.17792.18262.18211.10021.09842.79463.5169
C32.52501.50621.33821.09372.79543.47682.78462.13862.13792.12552.1244
C43.59262.52451.33822.10253.56994.50734.00543.21672.63911.09001.0883
H52.85242.21141.09372.10253.20283.85702.67152.56213.09513.08702.4486
H61.09652.17792.79543.56993.20281.77751.77353.07752.52183.79114.3890
H71.09682.18263.47684.50733.85701.77751.77432.49452.51544.66385.4641
H81.09732.18212.78464.00542.67151.77351.77432.52543.08614.55934.7258
H92.16131.10022.13863.21672.56213.07752.49452.52541.76443.53164.1335
H102.16951.09842.13792.63913.09512.52182.51543.08611.76442.45243.7251
H113.90782.79462.12551.09003.08703.79114.66384.55933.53162.45241.8503
H124.47943.51692.12441.08832.44864.38905.46414.72584.13353.72511.8503

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 112.291 C1 C2 H9 109.140
C1 C2 H10 109.883 C2 C1 H6 110.660
C2 C1 H7 111.015 C2 C1 H8 110.944
C2 C3 C4 125.026 C2 C3 H5 115.643
C3 C2 H9 109.289 C3 C2 H10 109.340
C3 C4 H11 121.837 C3 C4 H12 121.867
C4 C3 H5 119.327 H6 C1 H7 108.280
H6 C1 H8 107.887 H7 C1 H8 107.933
H9 C2 H10 106.740 H11 C4 H12 116.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability