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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-210.789967
Energy at 298.15K-210.797271
HF Energy-210.036530
Nuclear repulsion energy158.562824
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' 3133 2999 26.49      
2 A' 3128 2995 43.15      
3 A' 3060 2930 5.34      
4 A' 3048 2918 15.03      
5 A' 2326 2227 1.05      
6 A' 1540 1475 14.46      
7 A' 1532 1467 7.32      
8 A' 1461 1398 5.90      
9 A' 1382 1323 5.93      
10 A' 1220 1168 2.69      
11 A' 1148 1099 5.39      
12 A' 952 912 0.29      
13 A' 780 747 1.06      
14 A' 552 529 1.02      
15 A' 361 346 0.21      
16 A' 293 281 0.80      
17 A' 225 215 2.09      
18 A" 3130 2997 15.14      
19 A" 3123 2990 0.07      
20 A" 3045 2915 17.76      
21 A" 1519 1454 3.97      
22 A" 1517 1453 0.62      
23 A" 1440 1379 7.07      
24 A" 1363 1305 0.17      
25 A" 1162 1113 2.16      
26 A" 995 953 0.31      
27 A" 954 913 1.75      
28 A" 572 547 0.07      
29 A" 232 222 0.01      
30 A" 189 181 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 22690.8 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 21724.1 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 QCISD/6-311G*
ABC
0.26414 0.13108 0.09601

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 0.406 -2.186 0.000
C2 0.027 -1.088 0.000
C3 -0.443 0.314 0.000
C4 0.027 1.031 1.276
C5 0.027 1.031 -1.276
H6 -1.541 0.274 0.000
H7 -0.360 2.057 1.287
H8 -0.328 0.517 2.175
H9 1.121 1.075 1.313
H10 -0.360 2.057 -1.287
H11 -0.328 0.517 -2.175
H12 1.121 1.075 -1.313

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16162.64103.48213.48213.13804.49993.54613.58714.49993.54613.5871
C21.16161.47942.47412.47412.07733.42052.72622.75673.42052.72622.7567
C32.64101.47941.53691.53691.09882.16802.18712.17882.16802.18712.1788
C43.48212.47411.53692.55132.15831.09611.09501.09592.78753.50652.8104
C53.48212.47411.53692.55132.15832.78753.50652.81041.09611.09501.0959
H63.13802.07731.09882.15832.15832.49582.50193.07422.49582.50193.0742
H74.49993.42052.16801.09612.78752.49581.77771.77762.57483.78933.1494
H83.54612.72622.18711.09503.50652.50191.77771.77623.78934.34953.8174
H93.58712.75672.17881.09592.81043.07421.77761.77623.14943.81742.6251
H104.49993.42052.16802.78751.09612.49582.57483.78933.14941.77771.7776
H113.54612.72622.18713.50651.09502.50193.78934.34953.81741.77771.7762
H123.58712.75672.17882.81041.09593.07423.14943.81742.62511.77761.7762

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 179.437 C2 C3 C4 110.205
C2 C3 C5 110.205 C2 C3 H6 106.419
C3 C4 H7 109.723 C3 C4 H8 111.299
C3 C4 H9 110.580 C3 C5 H10 109.723
C3 C5 H11 111.299 C3 C5 H12 110.580
C4 C3 C5 112.206 C4 C3 H6 108.808
C5 C3 H6 108.808 H7 C4 H8 108.455
H7 C4 H9 108.380 H8 C4 H9 108.325
H10 C5 H11 108.455 H10 C5 H12 108.380
H11 C5 H12 108.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability