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All results from a given calculation for C5H10 (1-Butene, 2-methyl-)

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-195.847190
Energy at 298.15K-195.857348
HF Energy-195.142405
Nuclear repulsion energy175.428589
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 3259 3085 19.47      
2 A 3180 3010 9.44      
3 A 3164 2994 27.56      
4 A 3160 2991 24.32      
5 A 3156 2987 36.01      
6 A 3131 2963 24.39      
7 A 3111 2944 14.61      
8 A 3078 2914 22.52      
9 A 3067 2903 19.33      
10 A 3057 2894 26.17      
11 A 1769 1675 5.93      
12 A 1561 1478 2.41      
13 A 1556 1473 6.72      
14 A 1550 1467 8.96      
15 A 1543 1461 7.09      
16 A 1531 1449 4.50      
17 A 1495 1415 1.29      
18 A 1468 1389 4.18      
19 A 1463 1385 4.00      
20 A 1407 1332 0.92      
21 A 1349 1277 1.33      
22 A 1314 1244 1.23      
23 A 1152 1090 0.48      
24 A 1129 1069 5.19      
25 A 1085 1027 0.52      
26 A 1058 1001 1.31      
27 A 1028 973 0.79      
28 A 972 920 0.73      
29 A 919 870 42.12      
30 A 818 774 1.50      
31 A 796 754 1.07      
32 A 732 693 0.13      
33 A 540 511 5.04      
34 A 438 415 1.44      
35 A 403 381 0.60      
36 A 271 257 0.14      
37 A 226 214 0.35      
38 A 176 167 0.22      
39 A 62 58 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 30586.6 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 28950.2 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
0.24053 0.12478 0.09462

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 0.972 1.340 0.030
C2 0.586 -0.118 0.099
C3 1.443 -1.091 -0.234
C4 -0.821 -0.427 0.563
C5 -1.907 0.081 -0.394
H6 0.374 1.880 -0.715
H7 2.028 1.458 -0.237
H8 0.804 1.833 0.997
H9 -1.892 1.174 -0.480
H10 -2.903 -0.211 -0.041
H11 -1.763 -0.339 -1.397
H12 -0.926 -1.513 0.689
H13 -0.979 0.020 1.557
H14 1.165 -2.142 -0.182
H15 2.455 -0.875 -0.570

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51002.49002.57393.17081.09761.09531.09882.91414.17483.51243.48992.80723.49352.7320
C21.51001.33881.51332.54882.16832.16232.15902.85363.49272.79362.14012.14262.12362.1252
C32.49001.33882.49023.55243.19402.61463.23644.03864.43823.49212.57763.21031.08841.0885
C42.57391.51332.49021.53462.89623.50872.81802.19062.17872.17661.09781.10102.72703.4956
C53.17082.54883.55241.53462.92254.17183.51511.09591.09651.09662.16232.16133.79754.4693
H61.09762.16833.19402.89622.92251.77351.76602.38513.94523.15553.89563.23264.13373.4562
H71.09532.16232.61463.50874.17181.77351.77793.93815.20954.35304.29073.78463.70172.3942
H81.09882.15903.23642.81803.51511.76601.77793.14424.35904.12813.78002.60384.16183.5376
H92.91412.85364.03862.19061.09592.38513.93813.14421.76961.77393.08482.51214.51944.8069
H104.17483.49274.43822.17871.09653.94525.20954.35901.76961.77592.47682.51174.50485.4252
H113.51242.79363.49212.17661.09663.15554.35304.12811.77391.77592.53533.07693.64664.3322
H123.48992.14012.57761.09782.16233.89564.29073.78003.08482.47682.53531.76262.35073.6646
H132.80722.14263.21031.10102.16133.23263.78462.60382.51212.51173.07691.76263.50584.1373
H143.49352.12361.08842.72703.79754.13373.70174.16184.51944.50483.64662.35073.50581.8500
H152.73202.12521.08853.49564.46933.45622.39423.53764.80695.42524.33223.66464.13731.8500

picture of 1-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 C9 52.177 C1 C12 C13 52.989
H2 C1 H3 27.208 H2 C1 H4 31.677
H2 C1 C12 20.386 H3 C1 H4 58.884
H3 C1 C12 47.526 H4 C1 C12 11.586
C5 C9 H10 36.193 C5 C9 H11 36.006
C5 C9 C12 26.687 H6 C5 H7 20.768
H6 C5 H8 30.082 H6 C5 C9 50.747
H7 C5 H8 24.916 H7 C5 C9 70.207
H8 C5 C9 61.543 C9 C12 C13 54.519
H10 C9 H11 60.154 H10 C9 C12 53.377
H11 C9 C12 55.272 C12 C13 H14 36.989
C12 C13 H15 62.233 H14 C13 H15 26.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability