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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-210.842186
Energy at 298.15K-210.849488
HF Energy-210.046610
Nuclear repulsion energy158.562133
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/6-311G**
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' 3146 3002 24.92      
2 A' 3142 2997 43.57      
3 A' 3078 2936 4.87      
4 A' 3061 2920 14.80      
5 A' 2325 2219 0.86      
6 A' 1532 1462 8.84      
7 A' 1525 1455 6.59      
8 A' 1452 1385 3.26      
9 A' 1376 1313 6.95      
10 A' 1218 1163 1.92      
11 A' 1145 1092 3.37      
12 A' 952 909 0.15      
13 A' 780 744 1.10      
14 A' 549 524 0.72      
15 A' 356 340 0.23      
16 A' 292 279 0.81      
17 A' 224 214 2.17      
18 A" 3144 3000 15.35      
19 A" 3136 2992 0.00      
20 A" 3058 2918 17.18      
21 A" 1514 1444 3.08      
22 A" 1511 1441 0.01      
23 A" 1432 1366 3.03      
24 A" 1359 1297 0.46      
25 A" 1162 1108 2.05      
26 A" 994 948 0.21      
27 A" 953 909 1.09      
28 A" 569 543 0.06      
29 A" 226 216 0.02      
30 A" 189 180 4.52      

Unscaled Zero Point Vibrational Energy (zpe) 22698.9 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 21657.0 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/6-311G**
ABC
0.26435 0.13098 0.09603

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.411 -2.185 0.000
C2 0.026 -1.089 0.000
C3 -0.445 0.313 0.000
C4 0.026 1.032 1.275
C5 0.026 1.032 -1.275
H6 -1.542 0.273 0.000
H7 -0.361 2.058 1.282
H8 -0.329 0.517 2.174
H9 1.121 1.072 1.307
H10 -0.361 2.058 -1.282
H11 -0.329 0.517 -2.174
H12 1.121 1.072 -1.307

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16172.64123.48273.48273.13984.49913.54633.58124.49913.54633.5812
C21.16171.47952.47562.47562.07713.42012.72612.75333.42012.72612.7533
C32.64121.47951.53811.53811.09742.16672.18622.17652.16672.18622.1765
C43.48272.47561.53812.55042.15911.09561.09461.09562.78223.50502.8051
C53.48272.47561.53812.55042.15912.78223.50502.80511.09561.09461.0956
H63.13982.07711.09742.15912.15912.49492.50123.07192.49492.50123.0719
H74.49913.42012.16671.09562.78222.49491.77991.77902.56443.78363.1415
H83.54632.72612.18621.09463.50502.50121.77991.77733.78364.34713.8110
H93.58122.75332.17651.09562.80513.07191.77901.77733.14153.81102.6145
H104.49913.42012.16672.78221.09562.49492.56443.78363.14151.77991.7790
H113.54632.72612.18623.50501.09462.50123.78364.34713.81101.77991.7773
H123.58122.75332.17652.80511.09563.07193.14153.81102.61451.77901.7773

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 179.205 C2 C3 C4 110.226
C2 C3 C5 110.226 C2 C3 H6 106.478
C3 C4 H7 109.556 C3 C4 H8 111.162
C3 C4 H9 110.330 C3 C5 H10 109.556
C3 C5 H11 111.162 C3 C5 H12 110.330
C4 C3 C5 112.007 C4 C3 H6 108.865
C5 C3 H6 108.865 H7 C4 H8 108.707
H7 C4 H9 108.552 H8 C4 H9 108.473
H10 C5 H11 108.707 H10 C5 H12 108.552
H11 C5 H12 108.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability