You are an expert in photocatalysis. For the following 3D structure, what is its reduction potential for Cr(III)/Cr(II) conversion measured against SCE? Please answer in a single float number.
262

Cr         1.94490        9.63640       20.04480
N          3.40830       11.42520       22.13590
N         -0.32570       11.70770       19.57070
N          3.38160       11.32200       17.85710
N          0.40530        7.81770       18.04220
N          4.21240        7.59560       20.64840
N          0.47740        7.69620       21.96750
C          2.86970       10.63400       18.66610
C          2.80840       10.74510       21.38020
C          1.00230        8.52890       21.31090
C          5.98520        6.95990       22.16380
C         -1.49100        5.60030       21.21740
C          4.96220        6.60950       21.27490
C          1.05070        8.51200       18.74300
C          6.14340       10.66830       23.02290
C          6.45730        8.35110       22.38650
C          5.61420        9.40390       22.77300
H          4.68060        9.25430       22.86480
C          3.55220       13.46670       23.40490
C          0.62150        6.80330       24.18780
C          5.35680       11.82950       23.52050
C          0.51510       10.91550       19.82980
C          3.38670        8.37520       20.32530
C         -2.95230        5.34090       18.85570
H         -3.45880        5.26990       18.05500
C          0.10190        6.73510       22.88730
C          1.18030       14.27900       23.56580
C         -1.60460        5.73010       18.78540
C          5.96880       12.63940       24.47650
H          6.80040       12.35880       24.84010
C         -1.35530       13.31250       18.06560
C         -0.88830        5.85190       19.97720
H          0.02550        6.11000       19.94710
C         -1.45970       12.29610       19.03340
C          4.69980        5.25660       20.99440
C         -2.71920       11.86170       19.46920
C          4.09860       12.22480       23.02560
C          0.10970        7.28290       15.72900
C          0.90540        8.43740       15.22420
C          4.02980       12.04880       16.87570
C          1.58180        7.85500       24.64730
C         -2.83390        5.19240       21.23760
H         -3.25390        5.00440       22.06880
C         -2.87290       10.83260       20.54240
C         -0.16860        7.01650       17.08110
C          2.30720       14.01310       22.77860
C          7.51240       10.87770       22.83000
H          7.87520       11.74490       22.96660
C          4.22830       14.23560       24.34810
H          3.85360       15.06930       24.60700
C          6.04080       10.48170       17.05660
C         -0.80280        5.71110       22.53090
C          6.43910       10.54450       18.39890
C          2.30180       14.37110       21.42440
C          2.22860       13.89920       16.89380
C         -1.05380        5.97020       17.42340
C          6.66510        5.94220       22.83220
H          7.34530        6.18130       23.45050
C          7.81940        8.58360       22.24640
H          8.39660        7.86660       22.01150
C          1.06490       13.23150       17.28540
H          1.04760       12.28170       17.29340
C         -3.79400       13.33030       17.85330
C         -2.53460       13.79020       17.49480
H         -2.47280       14.46370       16.82770
C          5.42270        4.28320       21.68840
H          5.24390        3.36820       21.50640
C          8.34510        9.84900       22.44570
H          9.27320       10.00680       22.31830
C         -0.07480       13.94810       17.66610
C          5.42150       13.83990       24.92560
C          5.28740       11.61210       16.43010
C          3.44700       13.22620       16.36380
C         -3.55450        5.06020       20.06320
H         -4.46090        4.77690       20.08930
C         -1.52880        5.15810       16.38590
H         -2.08710        4.42320       16.61070
C          5.88610       12.30190       15.37150
H          6.73640       12.01270       15.06180
C          6.39330        4.59640       22.63480
C          2.24460       15.30040       16.94950
H          3.04630       15.76480       16.73950
C         -0.42590        6.45170       14.74770
H         -0.23070        6.63880       13.83710
C         -3.85950       12.38410       18.86580
H         -4.71180       12.08240       19.15740
C         -1.12470        4.77520       23.50880
H         -1.68860        4.05100       23.26380
C          6.16560       14.64210       25.99510
C          0.20410        5.86410       25.13020
H          0.53290        5.93180       26.01880
C          0.03900       15.23670       21.65190
C          2.89350        7.48670       24.99440
C          1.17350       14.98160       20.89110
H          1.17770       15.23320       19.97510
C         -3.17470        9.51300       20.19820
C         -2.77230       11.19430       21.88760
C          5.28850       13.39130       14.75510
C          0.36560        9.72970       15.20740
C          4.09670       13.84480       15.28440
H          3.69600       14.61470       14.89810
C          1.12470       16.01660       17.30190
H          1.14990       16.96620       17.31180
C          1.15070        9.16390       24.86330
C          3.71760        4.81050       19.95450
C         -3.00580       10.23290       22.86600
H         -2.94860       10.48290       23.78080
C         -0.04000       15.34930       17.64210
H         -0.82070       15.84430       17.86070
C          0.06780       14.88220       22.99040
H         -0.69410       15.05630       23.53060
C          3.70760        8.43440       25.60620
H          4.59370        8.18790       25.84480
C         -3.31920        8.92390       22.54640
C         -0.67310        4.83410       24.82040
C         -3.39180        8.58370       21.20910
H         -3.59560        7.68640       20.97320
C          6.06770       11.68110       19.31310
H          5.89030       12.48430       18.78010
H          5.26520       11.44260       19.82180
C         -1.22750        5.36900       15.04250
C          6.44610        9.38580       16.27610
C          3.28080        9.71550       25.88060
C          1.13180       13.94590       25.03030
H          1.72650       13.18720       25.21220
H          1.42450       14.72160       25.55210
C         -1.13180        3.78040       25.83080
C          3.47780       14.13610       20.51600
H          4.30830       14.20240       21.03270
H          3.41110       13.24200       20.11960
C          2.11660        8.17610       14.56230
C         -0.88080       10.06890       15.97460
H         -1.54330        9.35680       15.85310
H         -0.66530       10.15540       16.92660
C          2.00630       10.06710       25.47760
H          1.70740       10.95640       25.62580
C          7.22400        9.52420       18.92440
H          7.48990        9.57600       19.83490
C          5.93590       14.08520       13.54580
C         -1.18910       15.86090       21.03390
H         -0.93010       16.66310       20.53310
H         -1.61130       15.21900       20.42650
C          6.26410       13.80440       27.27990
H          5.36360       13.59550       27.60410
H          6.74460       12.97100       27.09050
C         -5.03760       13.79710       17.09580
C         -1.81860        4.44050       13.96740
C          0.99690       10.70790       14.45120
H          0.64160       11.58900       14.45210
C          3.44080        6.10470       24.71360
H          3.58780        6.00060       23.75010
H          4.29090        5.98730       25.18770
C          7.12100        3.50530       23.43450
C          2.13010       10.44350       13.69390
C          2.68230        9.17560       13.78520
H          3.47510        8.98400       13.29880
C          7.23560        8.39100       16.85980
H          7.50960        7.65410       16.32730
C          7.63070        8.43990       18.17700
C          7.59010       14.95820       25.52870
H          8.07030       14.12080       25.35530
H          7.55470       15.48990       24.70660
C          2.57190        4.12210       20.33140
C         -3.58520        7.90690       23.63080
H         -2.77750        7.37520       23.78580
H         -3.83610        8.36960       24.45790
C         -0.58090        2.41630       25.39420
H         -0.94730        2.18150       24.51630
H          0.39680        2.46200       25.33840
C         -0.23020        9.60920       24.49330
H         -0.32240        9.60920       23.51760
H         -0.88660        8.99630       24.88400
C          4.02110        4.97930       18.59870
C         -2.65850        3.71460       25.85550
H         -3.01780        4.58100       26.13910
H         -2.99020        3.50070       24.95880
C          1.75240        3.58150       19.30880
H          0.95270        3.12870       19.55040
C         -0.65650        4.09360       27.25060
H          0.32290        4.10620       27.27170
H         -1.00070        4.96930       27.52460
C         -1.35330        4.80980       12.56500
H         -1.72510        4.17220       11.91950
H         -1.66180        5.71340       12.34580
C         -3.33730        4.56780       14.00610
H         -3.59330        5.48930       13.79480
H         -3.73240        3.95920       13.34700
C         -3.23690        9.08740       18.75160
H         -3.36070        8.11640       18.70160
H         -2.40210        9.33390       18.30200
H         -3.98970        9.53520       18.31130
C         -2.38140       12.58590       22.27680
H         -2.41650       12.67440       23.25210
H         -3.00210       13.22540       21.86840
H         -1.47120       12.76910       21.96430
C          5.46160       15.95450       26.31320
H          5.41060       16.50370       25.50270
H          4.55550       15.76960       26.63890
C          2.18780        3.96670       21.77070
H          1.30630        3.54250       21.82930
H          2.85040        3.40620       22.22700
C          4.90030       14.61630       12.58330
H          4.28640       15.21260       13.06080
H          4.39720       13.86860       12.19910
H          5.34620       15.11340       11.86580
C          6.06090        9.24420       14.83240
H          5.16770        9.62530       14.69400
H          6.70860        9.72120       14.27270
C          4.13500       10.69310       26.64350
H          3.98760       10.57530       27.60500
H          5.07980       10.53280       26.43610
C          3.20550        4.39940       17.63970
H          3.43480        4.49210       16.72240
C          2.81070        6.84740       14.72660
H          3.62990        6.83760       14.18760
H          3.04010        6.71220       15.67000
C          2.75110       11.49450       12.81910
H          2.14250       11.70440       12.07950
H          2.91390       12.30420       13.34690
C          2.07920        3.69620       17.97510
C         -1.41900        2.99360       14.25300
H         -1.82840        2.40470       13.58510
H         -0.44450        2.90970       14.21020
C          5.20830        5.77940       18.14770
H          5.35880        5.62950       17.19120
H          5.03880        6.73210       18.30600
C          8.45600        7.32770       18.80190
H          9.17410        7.71780       19.34300
H          8.84560        6.77230       18.09430
H          7.88170        6.77440       19.37180
C         -6.33470       13.36050       17.71190
H         -7.08190       13.70410       17.17880
H         -6.39690       13.71020       18.62520
H         -6.37290       12.38120       17.73410
C          6.66940       15.32900       14.04820
H          7.06730       15.80240       13.28820
H          7.37550       15.06150       14.67280
H          6.03500       15.91950       14.50550
C         -4.96080       13.18810       15.67010
H         -4.98130       12.20990       15.73100
H         -4.12790       13.47100       15.23840
H         -5.72500       13.49810       15.14070
C         -5.05190       15.31050       16.97620
H         -5.86910       15.59340       16.51480
H         -4.26950       15.60500       16.46630
H         -5.02820       15.70840       17.87160
C          6.87590       13.19740       12.82340
H          6.38530       12.43570       12.45040
H          7.56100       12.87240       13.44440
H          7.30440       13.69720       12.09720
C          7.82090        2.56430       22.53540
H          8.51600        3.04380       22.03830
H          8.23140        1.85030       23.06580
C          1.20830        3.05110       16.92020
H          1.66070        2.25790       16.56270
H          0.35300        2.78760       17.31780
C          7.97850        4.04240       24.55190
H          8.23360        3.30790       25.14860
H          8.78460        4.45310       24.17600
C          5.99560        2.65140       24.18430
H          5.36160        2.29780       23.52590
H          6.41580        1.90790       24.66510


Answer: -1.14