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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-210.772828
Energy at 298.15K-210.780142
HF Energy-210.010822
Nuclear repulsion energy158.743041
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/6-31+G**
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' 3210 3025 23.11      
2 A' 3204 3019 41.55      
3 A' 3123 2943 6.54      
4 A' 3116 2936 15.61      
5 A' 2363 2227 1.70      
6 A' 1558 1468 10.50      
7 A' 1550 1461 6.68      
8 A' 1480 1394 3.54      
9 A' 1396 1315 7.47      
10 A' 1234 1163 1.71      
11 A' 1160 1093 3.45      
12 A' 963 908 0.11      
13 A' 788 742 1.21      
14 A' 552 520 0.80      
15 A' 361 341 0.23      
16 A' 293 276 0.83      
17 A' 222 209 2.20      
18 A" 3209 3023 14.81      
19 A" 3200 3015 0.02      
20 A" 3113 2934 19.33      
21 A" 1539 1450 3.25      
22 A" 1537 1449 0.28      
23 A" 1459 1374 3.38      
24 A" 1377 1298 0.42      
25 A" 1175 1107 2.13      
26 A" 1006 948 0.15      
27 A" 966 910 0.95      
28 A" 567 535 0.23      
29 A" 233 220 0.04      
30 A" 187 176 4.61      

Unscaled Zero Point Vibrational Energy (zpe) 23069.7 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 21738.6 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 CCD/6-31+G**
ABC
0.26556 0.13094 0.09603

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.404 -2.190 0.000
C2 0.027 -1.087 0.000
C3 -0.441 0.315 0.000
C4 0.027 1.033 1.273
C5 0.027 1.033 -1.273
H6 -1.533 0.275 0.000
H7 -0.358 2.053 1.279
H8 -0.329 0.521 2.167
H9 1.116 1.074 1.310
H10 -0.358 2.053 -1.279
H11 -0.329 0.521 -2.167
H12 1.116 1.074 -1.310

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16552.64403.48543.48543.13524.49643.54773.58824.49643.54773.5882
C21.16551.47852.47282.47282.07113.41232.72232.75183.41232.72232.7518
C32.64401.47851.53451.53451.09362.15912.17982.17142.15912.17982.1714
C43.48542.47281.53452.54672.15201.09051.08941.09052.77573.49642.8037
C53.48542.47281.53452.54672.15202.77573.49642.80371.09051.08941.0905
H63.13522.07111.09362.15202.15202.48602.49163.06192.48602.49163.0619
H74.49643.41232.15911.09052.77572.48601.77041.76982.55833.77133.1359
H83.54772.72232.17981.08943.49642.49161.77041.76883.77134.33433.8056
H93.58822.75182.17141.09052.80373.06191.76981.76883.13593.80562.6196
H104.49643.41232.15912.77571.09052.48602.55833.77133.13591.77041.7698
H113.54772.72232.17983.49641.08942.49163.77134.33433.80561.77041.7688
H123.58822.75182.17142.80371.09053.06193.13593.80562.61961.76981.7688

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.546 C2 C3 C4 110.303
C2 C3 C5 110.303 C2 C3 H6 106.303
C3 C4 H7 109.517 C3 C4 H8 111.219
C3 C4 H9 110.480 C3 C5 H10 109.517
C3 C5 H11 111.219 C3 C5 H12 110.480
C4 C3 C5 112.165 C4 C3 H6 108.785
C5 C3 H6 108.785 H7 C4 H8 108.615
H7 C4 H9 108.476 H8 C4 H9 108.469
H10 C5 H11 108.615 H10 C5 H12 108.476
H11 C5 H12 108.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability