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

using model chemistry: QCISD(T)=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-210.761558
Energy at 298.15K-210.768824
HF Energy-209.993478
Nuclear repulsion energy158.305080
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 QCISD(T)=FULL/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' 3148 3148        
2 A' 3143 3143        
3 A' 3061 3061        
4 A' 3054 3054        
5 A' 2295 2295        
6 A' 1551 1551        
7 A' 1543 1543        
8 A' 1466 1466        
9 A' 1383 1383        
10 A' 1223 1223        
11 A' 1150 1150        
12 A' 952 952        
13 A' 781 781        
14 A' 548 548        
15 A' 360 360        
16 A' 293 293        
17 A' 219 219        
18 A" 3146 3146        
19 A" 3139 3139        
20 A" 3059 3059        
21 A" 1532 1532        
22 A" 1531 1531        
23 A" 1446 1446        
24 A" 1367 1367        
25 A" 1163 1163        
26 A" 997 997        
27 A" 958 958        
28 A" 560 560        
29 A" 238 238        
30 A" 185 185        

Unscaled Zero Point Vibrational Energy (zpe) 22744.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22744.9 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 QCISD(T)=FULL/6-31G*
ABC
0.26456 0.13041 0.09577

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.413 -2.194 0.000
C2 0.026 -1.087 0.000
C3 -0.445 0.316 0.000
C4 0.026 1.033 1.274
C5 0.026 1.033 -1.274
H6 -1.545 0.278 0.000
H7 -0.362 2.060 1.283
H8 -0.328 0.518 2.175
H9 1.122 1.075 1.307
H10 -0.362 2.060 -1.283
H11 -0.328 0.518 -2.175
H12 1.122 1.075 -1.307

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17322.65213.49093.49093.15394.51013.55403.59064.51013.55403.5906
C21.17321.47902.47312.47312.08093.42002.72542.75333.42002.72542.7533
C32.65211.47901.53621.53621.10082.16702.18712.17712.16702.18712.1771
C43.49092.47311.53622.54792.15901.09761.09651.09732.78233.50482.8043
C53.49092.47311.53622.54792.15902.78233.50482.80431.09761.09651.0973
H63.15392.08091.10082.15902.15902.49422.50353.07512.49422.50353.0751
H74.51013.42002.16701.09762.78232.49421.78201.78122.56543.78593.1430
H83.55402.72542.18711.09653.50482.50351.78201.77933.78594.34933.8124
H93.59062.75332.17711.09732.80433.07511.78121.77933.14303.81242.6139
H104.51013.42002.16702.78231.09762.49422.56543.78593.14301.78201.7812
H113.55402.72542.18713.50481.09652.50353.78594.34933.81241.78201.7793
H123.59062.75332.17712.80431.09733.07513.14303.81242.61391.78121.7793

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 179.257 C2 C3 C4 110.201
C2 C3 C5 110.201 C2 C3 H6 106.618
C3 C4 H7 109.600 C3 C4 H8 111.259
C3 C4 H9 110.413 C3 C5 H10 109.600
C3 C5 H11 111.259 C3 C5 H12 110.413
C4 C3 C5 112.055 C4 C3 H6 108.798
C5 C3 H6 108.798 H7 C4 H8 108.620
H7 C4 H9 108.490 H8 C4 H9 108.392
H10 C5 H11 108.620 H10 C5 H12 108.490
H11 C5 H12 108.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability