return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H9N (Propanenitrile, 2,2-dimethyl-)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-249.842190
Energy at 298.15K-249.851730
HF Energy-249.026766
Nuclear repulsion energy226.810357
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3201 3019 34.51      
2 A1 3107 2930 9.55      
3 A1 2196 2070 0.25      
4 A1 1579 1489 13.84      
5 A1 1485 1400 2.81      
6 A1 1323 1247 12.99      
7 A1 922 869 0.93      
8 A1 709 669 1.09      
9 A1 387 365 0.63      
10 A2 3204 3021 0.00      
11 A2 1538 1450 0.00      
12 A2 1001 944 0.00      
13 A2 240 227 0.00      
14 E 3207 3024 21.41      
14 E 3207 3024 21.41      
15 E 3197 3015 2.92      
15 E 3197 3015 2.92      
16 E 3104 2927 12.34      
16 E 3104 2927 12.34      
17 E 1562 1473 8.15      
17 E 1562 1473 8.15      
18 E 1548 1459 0.43      
18 E 1548 1459 0.43      
19 E 1453 1370 8.12      
19 E 1453 1370 8.12      
20 E 1286 1213 3.84      
20 E 1286 1213 3.84      
21 E 1089 1027 0.04      
21 E 1089 1027 0.04      
22 E 982 926 1.32      
22 E 982 926 1.32      
23 E 579 546 0.02      
23 E 579 546 0.02      
24 E 370 349 0.16      
24 E 370 349 0.16      
25 E 296 279 0.10      
25 E 296 279 0.10      
26 E 181 171 3.73      
26 E 181 171 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 29298.1 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 27628.1 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 MP2/6-31G*
ABC
0.15167 0.09115 0.09115

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.283
C2 0.000 0.000 1.189
C3 0.000 1.460 -0.773
C4 1.264 -0.730 -0.773
C5 -1.264 -0.730 -0.773
N6 0.000 0.000 2.371
H7 0.000 1.471 -1.867
H8 1.274 -0.735 -1.867
H9 -1.274 -0.735 -1.867
H10 -0.887 1.992 -0.419
H11 0.887 1.992 -0.419
H12 2.168 -0.228 -0.419
H13 1.282 -1.764 -0.419
H14 -1.282 -1.764 -0.419
H15 -2.168 -0.228 -0.419

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.47171.53981.53981.53982.65392.16152.16152.16152.18472.18472.18472.18472.18472.1847
C21.47172.44542.44542.44541.18223.39123.39123.39122.70902.70902.70902.70902.70902.7090
C31.53982.44542.52822.52823.46651.09362.76352.76351.09321.09322.77073.48713.48712.7707
C41.53982.44542.52822.52823.46652.76351.09362.76353.48712.77071.09321.09322.77073.4871
C51.53982.44542.52822.52823.46652.76352.76351.09362.77073.48713.48712.77071.09321.0932
N62.65391.18223.46653.46653.46654.48584.48584.48583.54073.54073.54073.54073.54073.5407
H72.16153.39121.09362.76352.76354.48582.54772.54771.77601.77603.11233.76883.76883.1123
H82.16153.39122.76351.09362.76354.48582.54772.54773.76883.11231.77601.77603.11233.7688
H92.16153.39122.76352.76351.09364.48582.54772.54773.11233.76883.76883.11231.77601.7760
H102.18472.70901.09323.48712.77073.54071.77603.76883.11231.77313.77674.33703.77672.5639
H112.18472.70901.09322.77073.48713.54071.77603.11233.76881.77312.56393.77674.33703.7767
H122.18472.70902.77071.09323.48713.54073.11231.77603.76883.77672.56391.77313.77674.3370
H132.18472.70903.48711.09322.77073.54073.76881.77603.11234.33703.77671.77312.56393.7767
H142.18472.70903.48712.77071.09323.54073.76883.11231.77603.77674.33703.77672.56391.7731
H152.18472.70902.77073.48711.09323.54073.11233.76881.77602.56393.77674.33703.77671.7731

picture of Propanenitrile, 2,2-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 180.000 C1 C3 H7 109.158
C1 C3 H10 111.005 C1 C3 H11 111.005
C1 C4 H8 109.158 C1 C4 H12 111.005
C1 C4 H13 111.005 C1 C5 H9 109.158
C1 C5 H14 111.005 C1 C5 H15 111.005
C2 C1 C3 108.567 C2 C1 C4 108.567
C2 C1 C5 108.567 C3 C1 C4 110.360
C3 C1 C5 110.360 C4 C1 C5 110.360
H7 C3 H10 108.614 H7 C3 H11 108.614
H8 C4 H12 108.614 H8 C4 H13 108.614
H9 C5 H14 108.614 H9 C5 H15 108.614
H10 C3 H11 108.380 H12 C4 H13 108.380
H14 C5 H15 108.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability