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 C5H7N (1H-Pyrrole, 1-methyl-)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-247.934943
Energy at 298.15K-247.943306
HF Energy-247.934943
Nuclear repulsion energy225.965477
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 HF/Def2TZVPP
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 3407 3088 1.55      
2 A 3398 3080 9.19      
3 A 3385 3069 4.77      
4 A 3375 3059 2.60      
5 A 3260 2955 19.63      
6 A 3231 2929 29.70      
7 A 3169 2872 73.30      
8 A 1693 1535 1.34      
9 A 1674 1517 57.99      
10 A 1634 1481 6.14      
11 A 1610 1459 11.88      
12 A 1583 1434 27.99      
13 A 1526 1383 6.95      
14 A 1500 1359 0.00      
15 A 1420 1287 70.97      
16 A 1418 1285 0.27      
17 A 1247 1131 5.04      
18 A 1196 1084 7.47      
19 A 1194 1082 40.56      
20 A 1148 1040 5.55      
21 A 1122 1017 0.17      
22 A 1057 958 14.10      
23 A 995 902 0.02      
24 A 971 880 3.04      
25 A 956 867 0.63      
26 A 824 747 129.24      
27 A 810 734 0.09      
28 A 716 649 5.77      
29 A 675 612 0.00      
30 A 664 602 18.04      
31 A 383 347 0.57      
32 A 196 177 3.51      
33 A 90 81 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 25762.7 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 23351.3 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 HF/Def2TZVPP
ABC
0.29593 0.12103 0.08733

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.053 -0.000 0.028
H2 2.441 -0.875 -0.471
H3 2.441 0.875 -0.470
H4 2.400 -0.000 1.054
C5 -1.471 0.707 0.017
H6 -2.322 1.352 0.027
C7 -1.471 -0.707 0.017
H8 -2.322 -1.352 0.027
C9 -0.175 -1.102 -0.016
H10 0.253 -2.079 -0.026
C11 -0.175 1.102 -0.016
H12 0.253 2.079 -0.026
N13 0.614 0.000 -0.042

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 C11 H12 N13
C11.07971.07971.08283.59484.57933.59484.57932.48652.75062.48652.75061.4410
H21.07971.75061.75844.24875.28193.94684.81312.66562.53703.31123.70332.0711
H31.07971.75061.75843.94674.81294.24875.28203.31133.70352.66552.53672.0711
H41.08281.75841.75844.07035.01844.07025.01832.99893.17782.99913.17822.0961
C53.59484.24873.94674.07031.06761.41382.22782.22593.27691.35562.20432.2027
H64.57935.28194.81295.01841.06762.22782.70433.26114.29042.16162.67633.2330
C73.59483.94684.24874.07021.41382.22781.06761.35562.20432.22593.27692.2027
H84.57934.81315.28205.01832.22782.70431.06762.16162.67633.26114.29043.2330
C92.48652.66563.31132.99892.22593.26111.35562.16161.06672.20463.21021.3559
H102.75062.53703.70353.17783.27694.29042.20432.67631.06673.21024.15832.1103
C112.48653.31122.66552.99911.35562.16162.22593.26112.20463.21021.06671.3559
H122.75063.70332.53673.17822.20432.67633.27694.29043.21024.15831.06672.1103
N131.44102.07112.07112.09612.20273.23302.20273.23301.35592.11031.35592.1103

picture of 1H-Pyrrole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N13 C9 125.475 C1 N13 C11 125.475
H2 C1 H3 108.317 H2 C1 H4 108.806
H2 C1 N13 109.664 H3 C1 H4 108.805
H3 C1 N13 109.662 H4 C1 N13 111.522
C5 C7 H8 127.185 C5 C7 C9 106.958
C5 C11 H12 130.642 C5 C11 N13 108.656
H6 C5 C7 127.185 H6 C5 C11 125.852
C7 C5 C11 106.958 C7 C9 H10 130.642
C7 C9 N13 108.656 H8 C7 C9 125.852
C9 N13 C11 108.771 H10 C9 N13 120.702
H12 C11 N13 120.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.072      
2 H 0.076      
3 H 0.076      
4 H 0.084      
5 C -0.170      
6 H 0.093      
7 C -0.170      
8 H 0.093      
9 C -0.032      
10 H 0.102      
11 C -0.032      
12 H 0.102      
13 N -0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.157 0.000 0.005 2.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.169 0.000 -0.125
y 0.000 -33.453 0.000
z -0.125 0.000 -40.503
Traceless
 xyz
x 4.809 0.000 -0.125
y 0.000 2.883 0.000
z -0.125 0.000 -7.692
Polar
3z2-r2-15.384
x2-y21.284
xy0.000
xz-0.125
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.072 0.000 0.044
y 0.000 9.457 0.000
z 0.044 0.000 6.273


<r2> (average value of r2) Å2
<r2> 141.366
(<r2>)1/2 11.890