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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-323.886060
Energy at 298.15K-323.895099
HF Energy-323.886060
Nuclear repulsion energy246.274108
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 B3LYPultrafine/aug-cc-pVTZ
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 3715 3594 47.87      
2 A 3598 3481 28.29      
3 A 3117 3015 20.90      
4 A 3107 3006 18.60      
5 A 3044 2945 20.08      
6 A 3042 2943 14.24      
7 A 2995 2898 36.94      
8 A 1803 1744 577.73      
9 A 1626 1573 121.26      
10 A 1522 1473 1.93      
11 A 1501 1453 3.57      
12 A 1485 1437 6.58      
13 A 1425 1379 5.76      
14 A 1408 1362 16.42      
15 A 1327 1284 375.29      
16 A 1310 1268 3.59      
17 A 1177 1139 4.19      
18 A 1150 1112 17.10      
19 A 1095 1059 46.91      
20 A 1080 1044 131.15      
21 A 985 953 16.07      
22 A 854 826 11.08      
23 A 839 812 0.54      
24 A 773 748 20.98      
25 A 577 558 12.84      
26 A 554 536 3.92      
27 A 519 502 38.67      
28 A 379 367 1.35      
29 A 317 307 155.78      
30 A 251 243 0.42      
31 A 215 208 3.01      
32 A 108 105 0.91      
33 A 91 88 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 23493.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 22730.2 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.29543 0.07052 0.05824

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.561 -0.249 0.050
H2 2.709 -0.837 -0.854
H3 3.377 0.469 0.136
H4 2.595 -0.920 0.907
C5 1.232 0.478 0.001
H6 1.076 1.066 0.908
H7 1.209 1.156 -0.859
O8 0.195 -0.502 -0.123
N9 -1.409 1.156 0.071
H10 -0.789 1.847 -0.314
H11 -2.391 1.364 0.003
C12 -1.113 -0.190 -0.014
O13 -1.946 -1.057 0.042

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08911.09021.08891.51612.16102.15202.38544.21133.96875.20803.67504.5789
H21.08911.77001.76732.15503.06492.49492.63924.66764.44255.62023.96644.7457
H31.09021.77001.77052.14962.49932.48303.33644.83554.41125.83834.54065.5383
H41.08891.76731.77052.15312.50033.05842.64524.58724.53905.55823.89014.6251
C51.51612.15502.14962.15311.09211.09551.43142.72712.46113.72912.43803.5294
H62.16103.06492.49932.50031.09211.77462.07272.62372.36253.59542.68693.7934
H72.15202.49492.48303.05841.09551.77462.07752.77792.18313.70702.81373.9576
O82.38542.63923.33642.64521.43142.07272.07752.31492.55403.19111.34942.2185
N94.21134.66764.83554.58722.72712.62372.77792.31491.00521.00591.38082.2774
H103.96874.44254.41124.53902.46112.36252.18312.55401.00521.70292.08483.1467
H115.20805.62025.83835.55823.72913.59543.70703.19111.00591.70292.01182.4616
C123.67503.96644.54063.89012.43802.68692.81371.34941.38082.08482.01181.2037
O134.57894.74575.53834.62513.52943.79343.95762.21852.27743.14672.46161.2037

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.853 C1 C5 H7 109.933
C1 C5 O8 108.020 H2 C1 H3 108.620
H2 C1 H4 108.469 H2 C1 C5 110.553
H3 C1 H4 108.671 H3 C1 C5 110.060
H4 C1 C5 110.413 C5 O8 C12 122.474
H6 C5 H7 108.429 H6 C5 O8 109.713
H7 C5 O8 109.889 O8 C12 N9 115.966
O8 C12 O13 120.571 N9 C12 O13 123.431
H10 N9 H11 115.721 H10 N9 C12 120.991
H11 N9 C12 113.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.744      
2 H 0.188      
3 H 0.209      
4 H 0.191      
5 C 0.127      
6 H 0.216      
7 H 0.209      
8 O -0.252      
9 N -0.127      
10 H 0.124      
11 H 0.069      
12 C 0.414      
13 O -0.625      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.645 4.432 -0.476 5.184
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.574 -6.160 0.810
y -6.160 -36.706 -1.120
z 0.810 -1.120 -36.727
Traceless
 xyz
x 0.143 -6.160 0.810
y -6.160 -0.056 -1.120
z 0.810 -1.120 -0.087
Polar
3z2-r2-0.174
x2-y20.133
xy-6.160
xz0.810
yz-1.120


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.292 0.231 -0.031
y 0.231 8.538 -0.003
z -0.031 -0.003 6.442


<r2> (average value of r2) Å2
<r2> 193.118
(<r2>)1/2 13.897