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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-321.948015
Energy at 298.15K-321.957495
Nuclear repulsion energy249.118692
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/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 3970 3591 37.53      
2 A 3856 3487 35.82      
3 A 3278 2964 61.05      
4 A 3260 2949 48.40      
5 A 3242 2932 15.46      
6 A 3196 2891 24.58      
7 A 3183 2879 55.37      
8 A 2004 1812 745.30      
9 A 1826 1651 150.14      
10 A 1672 1512 1.98      
11 A 1634 1478 1.12      
12 A 1616 1462 5.54      
13 A 1583 1431 18.49      
14 A 1540 1393 25.91      
15 A 1482 1340 477.82      
16 A 1440 1303 1.82      
17 A 1296 1172 6.77      
18 A 1276 1154 70.52      
19 A 1232 1114 149.72      
20 A 1201 1086 11.12      
21 A 1065 963 6.14      
22 A 942 852 17.16      
23 A 902 816 2.43      
24 A 879 795 62.74      
25 A 634 573 26.90      
26 A 602 545 6.70      
27 A 586 530 113.94      
28 A 411 372 69.07      
29 A 401 363 91.12      
30 A 282 255 0.73      
31 A 231 209 2.43      
32 A 108 97 0.29      
33 A 95 86 3.42      

Unscaled Zero Point Vibrational Energy (zpe) 25462.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 23027.9 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/6-311G*
ABC
0.30021 0.07215 0.05963

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.538 -0.246 0.044
H2 2.677 -0.827 -0.859
H3 3.356 0.461 0.131
H4 2.572 -0.921 0.891
C5 1.217 0.488 0.006
H6 1.068 1.066 0.911
H7 1.189 1.164 -0.845
O8 0.196 -0.481 -0.118
N9 -1.419 1.133 0.071
H10 -0.827 1.824 -0.320
H11 -2.391 1.313 -0.005
C12 -1.097 -0.194 -0.011
O13 -1.904 -1.056 0.039

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08301.08491.08281.51212.15232.14432.35934.19063.96805.17053.63624.5156
H21.08301.76071.75592.14723.05002.48522.61244.63504.42705.56773.91994.6743
H31.08491.76071.76102.14322.49172.47843.30704.82264.42315.81204.50375.4756
H41.08281.75591.76102.14552.49123.04432.61814.56244.53365.51583.84764.5586
C51.51212.14722.14322.14551.08331.08671.41322.71432.46363.70142.41273.4823
H62.15233.05002.49172.49121.08331.76202.05212.62592.38383.58712.66953.7545
H72.14432.48522.47843.04431.08671.76202.05442.76412.18563.68072.78663.9083
O82.35932.61243.30702.61811.41322.05212.05442.29142.53053.15091.32922.1832
N94.19064.63504.82264.56242.71432.62592.76412.29140.99000.99191.36812.2421
H103.96804.42704.42314.53362.46362.38382.18562.53050.99001.67542.05943.0953
H115.17055.56775.81205.51583.70143.58713.68073.15090.99191.67541.98662.4186
C123.63623.91994.50373.84762.41272.66952.78661.32921.36812.05941.98661.1815
O134.51564.67435.47564.55863.48233.75453.90832.18322.24213.09532.41861.1815

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.962 C1 C5 H7 110.124
C1 C5 O8 107.463 H2 C1 H3 108.620
H2 C1 H4 108.341 H2 C1 C5 110.575
H3 C1 H4 108.657 H3 C1 C5 110.140
H4 C1 C5 110.448 C5 O8 C12 123.197
H6 C5 H7 108.583 H6 C5 O8 109.864
H7 C5 O8 109.838 O8 C12 N9 116.310
O8 C12 O13 120.699 N9 C12 O13 122.969
H10 N9 H11 115.423 H10 N9 C12 120.854
H11 N9 C12 113.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.618 -0.368   -0.471
2 H 0.227 0.109   0.137
3 H 0.209 0.065   0.092
4 H 0.229 0.114   0.142
5 C -0.187 0.595   0.584
6 H 0.216 -0.053   -0.037
7 H 0.189 -0.069   -0.056
8 O -0.413 -0.612   -0.594
9 N -0.888 -1.027   -1.022
10 H 0.374 0.384   0.379
11 H 0.386 0.421   0.423
12 C 0.750 1.122   1.091
13 O -0.473 -0.680   -0.668


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.507 4.658 -0.679 5.333
CHELPG        
AIM        
ESP 2.542 4.629 -0.700 5.327


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.023 -6.116 1.230
y -6.116 -36.624 -1.632
z 1.230 -1.632 -36.098
Traceless
 xyz
x 0.338 -6.116 1.230
y -6.116 -0.564 -1.632
z 1.230 -1.632 0.225
Polar
3z2-r20.451
x2-y20.601
xy-6.116
xz1.230
yz-1.632


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.519 0.350 -0.091
y 0.350 6.320 -0.070
z -0.091 -0.070 4.764


<r2> (average value of r2) Å2
<r2> 189.243
(<r2>)1/2 13.757