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

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-195.882090
Energy at 298.15K-195.891833
HF Energy-195.160010
Nuclear repulsion energy173.556250
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 MP2=FULL/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 3214 3055 27.70      
2 A 3203 3044 20.07      
3 A 3188 3030 21.58      
4 A 3179 3022 7.22      
5 A 3082 2929 22.64      
6 A 3076 2923 39.65      
7 A 3068 2916 28.55      
8 A 1752 1665 0.57      
9 A 1496 1421 10.74      
10 A 1493 1419 1.26      
11 A 1480 1406 1.79      
12 A 1421 1350 4.55      
13 A 1418 1348 0.01      
14 A 1408 1339 2.59      
15 A 1359 1291 2.23      
16 A 1254 1192 4.10      
17 A 1148 1091 6.83      
18 A 1072 1019 6.44      
19 A 977 928 2.42      
20 A 966 918 0.40      
21 A 786 747 1.40      
22 A 521 495 2.00      
23 A 378 359 0.25      
24 A 294 280 0.20      
25 A 3157 3000 16.54      
26 A 3151 2995 25.46      
27 A 3148 2992 14.95      
28 A 1489 1416 18.55      
29 A 1481 1407 0.81      
30 A 1469 1396 0.61      
31 A 1096 1042 0.00      
32 A 1052 1000 0.63      
33 A 1012 962 2.16      
34 A 822 782 10.66      
35 A 438 417 2.75      
36 A 265 252 1.30      
37 A 182 173 1.30      
38 A 125 118 0.46      
39 A 107 102 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 30112.7 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 28619.1 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 MP2=FULL/cc-pVDZ
ABC
0.26657 0.11628 0.08483

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.508 0.496 0.000
H2 -1.972 -0.499 0.000
H3 -1.874 1.044 0.885
H4 -1.874 1.044 -0.885
C5 0.262 -2.101 0.000
H6 0.641 -2.640 -0.885
H7 0.641 -2.640 0.885
H8 -0.834 -2.182 0.000
C9 0.744 -0.677 0.000
H10 1.835 -0.550 0.000
C11 0.000 0.454 0.000
C12 0.662 1.811 0.000
H13 1.759 1.730 0.000
H14 0.358 2.396 0.886
H15 0.358 2.396 -0.886

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09811.10421.10423.14273.90303.90302.76192.53893.50281.50812.53673.49212.80592.8059
H21.09811.78201.78202.74873.49163.49162.03182.72173.80742.19013.50314.34613.81993.8199
H31.10421.78201.77093.90404.79954.46093.50403.25634.13392.15542.79373.80252.60943.1540
H41.10421.78201.77093.90404.46094.79953.50403.25634.13392.15542.79373.80253.15402.6094
C53.14272.74873.90403.90401.10361.10361.09871.50362.20932.56883.93244.11294.58444.5844
H63.90303.49164.79954.46091.10361.77091.77962.15612.56513.28174.53824.59675.34595.0439
H73.90303.49164.46094.79951.10361.77091.77962.15612.56513.28174.53824.59675.04395.3459
H82.76192.03183.50403.50401.09871.77961.77962.18093.12862.76544.26414.69334.81294.8129
C92.53892.72173.25633.25631.50362.15612.15612.18091.09851.35412.48912.61183.22123.2212
H103.50283.80744.13394.13392.20932.56512.56513.12861.09852.09222.63662.28093.41283.4128
C111.50812.19012.15542.15542.56883.28173.28172.76541.35412.09221.50942.17302.16392.1639
C122.53673.50312.79372.79373.93244.53824.53824.26412.48912.63661.50941.10061.10441.1044
H133.49214.34613.80253.80254.11294.59674.59674.69332.61182.28092.17301.10061.78721.7872
H142.80593.81992.60943.15404.58445.34595.04394.81293.22123.41282.16391.10441.78721.7721
H152.80593.81993.15402.60944.58445.04395.34594.81293.22123.41282.16391.10441.78721.7721

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 124.925 C1 C11 C12 114.422
H2 C1 H3 108.026 H2 C1 H4 108.026
H2 C1 C11 113.418 H3 C1 H4 106.629
H3 C1 C11 110.239 H4 C1 C11 110.239
C5 C9 H10 115.331 C5 C9 C11 127.956
H6 C5 H7 106.713 H6 C5 H8 107.817
H6 C5 C9 110.646 H7 C5 H8 107.817
H7 C5 C9 110.646 H8 C5 C9 112.945
C9 C11 C12 120.653 H10 C9 C11 116.713
C11 C12 H13 111.768 C11 C12 H14 110.807
C11 C12 H15 110.807 H13 C12 H14 108.291
H13 C12 H15 108.291 H14 C12 H15 106.694
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability