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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-323.511459
Energy at 298.15K-323.520388
HF Energy-323.511459
Nuclear repulsion energy245.162596
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 PBEPBE/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 3628 3584 42.46      
2 A 3509 3467 15.46      
3 A 3066 3029 17.04      
4 A 3059 3022 15.38      
5 A 2984 2948 13.41      
6 A 2972 2936 22.72      
7 A 2917 2882 39.41      
8 A 1771 1749 475.31      
9 A 1564 1545 119.98      
10 A 1465 1447 1.41      
11 A 1448 1431 4.50      
12 A 1432 1415 6.97      
13 A 1369 1353 3.71      
14 A 1351 1335 28.52      
15 A 1284 1269 314.58      
16 A 1258 1243 3.70      
17 A 1132 1118 4.00      
18 A 1114 1100 10.52      
19 A 1063 1050 41.65      
20 A 1040 1027 114.11      
21 A 959 947 27.84      
22 A 829 819 12.37      
23 A 809 799 1.17      
24 A 739 730 15.64      
25 A 556 549 15.47      
26 A 536 529 2.77      
27 A 508 502 47.44      
28 A 370 366 10.99      
29 A 351 347 128.43      
30 A 249 246 0.22      
31 A 210 207 2.95      
32 A 112 110 0.82      
33 A 88 87 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 22870.7 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 22593.9 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 PBEPBE/Def2TZVPP
ABC
0.29203 0.07018 0.05791

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.573 -0.245 0.043
H2 2.716 -0.849 -0.862
H3 3.394 0.481 0.112
H4 2.619 -0.909 0.915
C5 1.238 0.476 -0.001
H6 1.079 1.077 0.907
H7 1.197 1.148 -0.879
O8 0.201 -0.522 -0.105
N9 -1.409 1.168 0.077
H10 -0.780 1.844 -0.342
H11 -2.396 1.369 -0.040
C12 -1.120 -0.185 0.004
O13 -1.966 -1.055 0.027

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09721.09851.09701.51792.17412.16342.39214.22473.96915.22483.69314.6105
H21.09721.78231.78012.16323.08532.50822.64594.68594.44325.63223.98764.7699
H31.09851.78231.78272.15972.51992.50063.35384.85214.41485.86014.56425.5768
H41.09701.78011.78272.16042.51393.07722.65294.60884.55165.59063.91584.6727
C51.51792.16322.15972.16041.10131.10551.44232.73642.46163.74202.44823.5508
H62.17413.08532.51992.51391.10131.79132.08662.62432.36763.61372.69133.8202
H72.16342.50822.50063.07721.10551.79132.09182.77552.16393.69642.81473.9595
O82.39212.64593.35382.65291.44232.08662.09182.34092.57243.21321.36772.2360
N94.22474.68594.85214.60882.73642.62432.77552.34091.01411.01431.38502.2920
H103.96914.44324.41484.55162.46162.36762.16392.57241.01411.71142.08633.1541
H115.22485.63225.86015.59063.74203.61373.69643.21321.01431.71142.01112.4624
C123.69313.98764.56423.91582.44822.69132.81471.36771.38502.08632.01111.2140
O134.61054.76995.57684.67273.55083.82023.95952.23602.29203.15412.46241.2140

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.214 C1 C5 H7 110.119
C1 C5 O8 107.793 H2 C1 H3 108.531
H2 C1 H4 108.444 H2 C1 C5 110.598
H3 C1 H4 108.581 H3 C1 C5 110.244
H4 C1 C5 110.382 C5 O8 C12 121.185
H6 C5 H7 108.529 H6 C5 O8 109.501
H7 C5 O8 109.672 O8 C12 N9 116.507
O8 C12 O13 119.891 N9 C12 O13 123.602
H10 N9 H11 115.071 H10 N9 C12 120.037
H11 N9 C12 112.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.251      
2 H 0.095      
3 H 0.078      
4 H 0.097      
5 C -0.036      
6 H 0.100      
7 H 0.076      
8 O -0.166      
9 N -0.284      
10 H 0.157      
11 H 0.189      
12 C 0.244      
13 O -0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.471 4.249 -0.534 4.944
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.202 -6.004 0.877
y -6.004 -36.343 -1.253
z 0.877 -1.253 -36.650
Traceless
 xyz
x 0.295 -6.004 0.877
y -6.004 0.083 -1.253
z 0.877 -1.253 -0.378
Polar
3z2-r2-0.756
x2-y20.141
xy-6.004
xz0.877
yz-1.253


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.342 0.260 -0.040
y 0.260 8.289 -0.043
z -0.040 -0.043 6.099


<r2> (average value of r2) Å2
<r2> 193.906
(<r2>)1/2 13.925