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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-210.854141
Energy at 298.15K-210.861405
HF Energy-210.063558
Nuclear repulsion energy154.099500
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/TZVP
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' 3143 3002 30.76      
2 A' 3088 2950 23.68      
3 A' 3079 2941 3.39      
4 A' 3059 2923 21.83      
5 A' 2346 2242 2.10      
6 A' 1534 1465 6.19      
7 A' 1519 1451 0.99      
8 A' 1504 1437 2.73      
9 A' 1452 1387 1.64      
10 A' 1432 1368 1.78      
11 A' 1333 1274 2.64      
12 A' 1140 1089 0.94      
13 A' 1074 1026 0.10      
14 A' 967 924 2.01      
15 A' 894 854 1.64      
16 A' 526 502 0.64      
17 A' 347 332 0.09      
18 A' 163 156 6.20      
19 A" 3144 3003 50.93      
20 A" 3128 2988 5.34      
21 A" 3111 2972 0.14      
22 A" 1525 1456 6.76      
23 A" 1349 1289 0.14      
24 A" 1285 1227 0.02      
25 A" 1152 1100 0.01      
26 A" 894 854 0.11      
27 A" 757 723 1.30      
28 A" 371 354 0.41      
29 A" 236 226 0.00      
30 A" 95 90 4.21      

Unscaled Zero Point Vibrational Energy (zpe) 22823.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 21802.8 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/TZVP
ABC
0.79545 0.07543 0.07165

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.610 0.344 0.000
C2 -1.462 0.489 0.000
C3 0.000 0.637 0.000
C4 0.723 -0.717 0.000
C5 2.239 -0.540 0.000
H6 0.283 1.218 0.881
H7 0.283 1.218 -0.881
H8 0.409 -1.286 0.878
H9 0.409 -1.286 -0.878
H10 2.743 -1.509 0.000
H11 2.569 0.011 0.885
H12 2.569 0.011 -0.885

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15762.62653.49784.92963.14833.14833.54213.54215.66485.26435.2643
C21.15761.46912.49503.84152.08642.08642.72422.72424.65504.15374.1537
C32.62651.46911.53462.53011.09271.09272.15322.15323.48262.78792.7879
C43.49782.49501.53461.52682.17092.17091.09261.09262.16982.17212.1721
C54.92963.84152.53011.52682.77392.77392.16252.16251.09141.09311.0931
H63.14832.08641.09272.17092.77391.76162.50713.06283.77642.58453.1301
H73.14832.08641.09272.17092.77391.76163.06282.50713.77643.13012.5845
H83.54212.72422.15321.09262.16252.50713.06281.75692.50352.51843.0744
H93.54212.72422.15321.09262.16253.06282.50711.75692.50353.07442.5184
H105.66484.65503.48262.16981.09143.77643.77642.50352.50351.76681.7668
H115.26434.15372.78792.17211.09312.58453.13012.51843.07441.76681.7697
H125.26434.15372.78792.17211.09313.13012.58453.07442.51841.76681.7697

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.618 C2 C3 C4 112.316
C2 C3 H6 108.163 C2 C3 H7 108.163
C3 C4 C5 111.476 C3 C4 H8 108.920
C3 C4 H9 108.920 C4 C3 H6 110.304
C4 C3 H7 110.304 C4 C5 H10 110.849
C4 C5 H11 110.928 C4 C5 H12 110.928
C5 C4 H8 110.191 C5 C4 H9 110.191
H6 C3 H7 107.429 H8 C4 H9 107.024
H10 C5 H11 107.960 H10 C5 H12 107.960
H11 C5 H12 108.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability