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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-210.762433
Energy at 298.15K-210.769740
HF Energy-210.007937
Nuclear repulsion energy158.861538
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/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' 3233 3036 17.62      
2 A' 3226 3030 32.34      
3 A' 3133 2943 6.27      
4 A' 3125 2935 14.26      
5 A' 2199 2065 0.00      
6 A' 1556 1462 12.69      
7 A' 1548 1454 7.84      
8 A' 1469 1379 4.31      
9 A' 1383 1299 6.17      
10 A' 1230 1155 1.59      
11 A' 1153 1083 3.28      
12 A' 965 906 0.48      
13 A' 790 742 0.52      
14 A' 547 514 0.85      
15 A' 361 339 0.17      
16 A' 296 278 0.53      
17 A' 220 207 2.05      
18 A" 3232 3036 11.79      
19 A" 3223 3027 0.06      
20 A" 3125 2935 17.59      
21 A" 1535 1442 3.93      
22 A" 1534 1441 0.37      
23 A" 1447 1359 4.60      
24 A" 1362 1279 0.35      
25 A" 1172 1101 2.28      
26 A" 1006 944 0.16      
27 A" 963 905 1.33      
28 A" 562 527 0.38      
29 A" 239 225 0.02      
30 A" 183 172 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 23008.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 21609.2 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 MP2=FULL/6-31+G**
ABC
0.26732 0.13099 0.09633

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.413 -2.193 0.000
C2 0.025 -1.077 0.000
C3 -0.443 0.314 0.000
C4 0.025 1.031 1.268
C5 0.025 1.031 -1.268
H6 -1.535 0.276 0.000
H7 -0.358 2.050 1.273
H8 -0.328 0.522 2.162
H9 1.113 1.071 1.300
H10 -0.358 2.050 -1.273
H11 -0.328 0.522 -2.162
H12 1.113 1.071 -1.300

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18132.64943.48633.48633.14514.49683.54933.58274.49683.54933.5827
C21.18131.46812.46042.46042.06543.39832.71272.73683.39832.71272.7368
C32.64941.46811.53031.53031.09262.15442.17532.16462.15442.17532.1646
C43.48632.46041.53032.53612.14791.08881.08771.08882.76433.48572.7894
C53.48632.46041.53032.53612.14792.76433.48572.78941.08881.08771.0888
H63.14512.06541.09262.14792.14792.48062.48873.05542.48062.48873.0554
H74.49683.39832.15441.08882.76432.48061.76831.76732.54543.75963.1214
H83.54932.71272.17531.08773.48572.48871.76831.76623.75964.32443.7902
H93.58272.73682.16461.08882.78943.05541.76731.76623.12143.79022.6006
H104.49683.39832.15442.76431.08882.48062.54543.75963.12141.76831.7673
H113.54932.71272.17533.48571.08772.48873.75964.32443.79021.76831.7662
H123.58272.73682.16462.78941.08883.05543.12143.79022.60061.76731.7662

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 179.436 C2 C3 C4 110.271
C2 C3 C5 110.271 C2 C3 H6 106.604
C3 C4 H7 109.532 C3 C4 H8 111.260
C3 C4 H9 110.338 C3 C5 H10 109.532
C3 C5 H11 111.260 C3 C5 H12 110.338
C4 C3 C5 111.922 C4 C3 H6 108.804
C5 C3 H6 108.804 H7 C4 H8 108.666
H7 C4 H9 108.499 H8 C4 H9 108.483
H10 C5 H11 108.666 H10 C5 H12 108.499
H11 C5 H12 108.483
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability